[INFO] fetching crate mender_artifact 0.1.3...
[INFO] testing mender_artifact-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate mender_artifact 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mender_artifact 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mender_artifact 0.1.3
[INFO] finished tweaking crates.io crate mender_artifact 0.1.3
[INFO] tweaked toml for crates.io crate mender_artifact 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mender_artifact 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770408b41338e28d673224ee805262bd8ee46cf811843ef7f815eae6c10136e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "770408b41338e28d673224ee805262bd8ee46cf811843ef7f815eae6c10136e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770408b41338e28d673224ee805262bd8ee46cf811843ef7f815eae6c10136e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770408b41338e28d673224ee805262bd8ee46cf811843ef7f815eae6c10136e7", kill_on_drop: false }`
[INFO] [stdout] 770408b41338e28d673224ee805262bd8ee46cf811843ef7f815eae6c10136e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdfc836ac66a339b1fbe5697e378951f8cdb2984aad0c0ade477a3e6b66deb81
[INFO] running `Command { std: "docker" "start" "-a" "cdfc836ac66a339b1fbe5697e378951f8cdb2984aad0c0ade477a3e6b66deb81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling simple_logger v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling mender_artifact v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:272:35
[INFO] [stdout]     |
[INFO] [stdout] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut n: usize = 0;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut archive = Archive::new(reader);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut m = MenderArtifact {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_archive`
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entry`
[INFO] [stdout]    --> src/lib.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     version: Option<Version>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `manifest`
[INFO] [stdout]    --> src/lib.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     manifest: Option<Manifest>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     header: Option<Header>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flate2::read::GzDecoder`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flate2::read::GzDecoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tar::Archive`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tar::Archive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:272:35
[INFO] [stdout]     |
[INFO] [stdout] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payloads`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payloads`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut n: usize = 0;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut archive = Archive::new(reader);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut m = MenderArtifact {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_archive`
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entry`
[INFO] [stdout]    --> src/lib.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     version: Option<Version>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `manifest`
[INFO] [stdout]    --> src/lib.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     manifest: Option<Manifest>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     header: Option<Header>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.74s
[INFO] running `Command { std: "docker" "inspect" "cdfc836ac66a339b1fbe5697e378951f8cdb2984aad0c0ade477a3e6b66deb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfc836ac66a339b1fbe5697e378951f8cdb2984aad0c0ade477a3e6b66deb81", kill_on_drop: false }`
[INFO] [stdout] cdfc836ac66a339b1fbe5697e378951f8cdb2984aad0c0ade477a3e6b66deb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abab6cfafc5814dc01dec4c489fe1028af5b7862382a90495c05b222822db7ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abab6cfafc5814dc01dec4c489fe1028af5b7862382a90495c05b222822db7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling mender_artifact v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:272:35
[INFO] [stdout]     |
[INFO] [stdout] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut n: usize = 0;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut archive = Archive::new(reader);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut m = MenderArtifact {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_archive`
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entry`
[INFO] [stdout]    --> src/lib.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     version: Option<Version>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `manifest`
[INFO] [stdout]    --> src/lib.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     manifest: Option<Manifest>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     header: Option<Header>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flate2::read::GzDecoder`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use flate2::read::GzDecoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tar::Archive`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tar::Archive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:272:35
[INFO] [stdout]     |
[INFO] [stdout] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, info, trace, warn};
[INFO] [stdout]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:272:35
[INFO] [stdout]     |
[INFO] [stdout] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:276:32
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payloads`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payloads`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |             -------- matches any value
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `IOError`
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ParseError`
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `JSONParseError`
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:242:24
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut n: usize = 0;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut archive = Archive::new(reader);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut m = MenderArtifact {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_archive`
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entry`
[INFO] [stdout]    --> src/lib.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     version: Option<Version>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `manifest`
[INFO] [stdout]    --> src/lib.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     manifest: Option<Manifest>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     header: Option<Header>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut n: usize = 0;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut archive = Archive::new(reader);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let mut m = MenderArtifact {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_archive`
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entry`
[INFO] [stdout]    --> src/lib.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     version: Option<Version>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `manifest`
[INFO] [stdout]    --> src/lib.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     manifest: Option<Manifest>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     header: Option<Header>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |             &IOError => "IOError",
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |             &ParseError => "ParseError",
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IOError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 |             &IOError => None,
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             &ParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JSONParseError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &JSONParseError => None,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "abab6cfafc5814dc01dec4c489fe1028af5b7862382a90495c05b222822db7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abab6cfafc5814dc01dec4c489fe1028af5b7862382a90495c05b222822db7ad", kill_on_drop: false }`
[INFO] [stdout] abab6cfafc5814dc01dec4c489fe1028af5b7862382a90495c05b222822db7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a135c31222dc128ef49b8f64621742d1c6c1f72228837bcb2f7e95c72f7f7d02
[INFO] running `Command { std: "docker" "start" "-a" "a135c31222dc128ef49b8f64621742d1c6c1f72228837bcb2f7e95c72f7f7d02", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stderr]  --> src/lib.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{debug, info, trace, warn};
[INFO] [stderr]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/lib.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:272:35
[INFO] [stderr]     |
[INFO] [stderr] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:276:32
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/lib.rs:242:24
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut n: usize = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let mut archive = Archive::new(reader);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let mut m = MenderArtifact {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:343:13
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cur_archive`
[INFO] [stderr]    --> src/lib.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entry`
[INFO] [stderr]    --> src/lib.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     version: Option<Version>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `manifest`
[INFO] [stderr]    --> src/lib.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     manifest: Option<Manifest>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `header`
[INFO] [stderr]    --> src/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     header: Option<Header>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stderr]  --> src/lib.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{debug, info, trace, warn};
[INFO] [stderr]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/lib.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:272:35
[INFO] [stderr]     |
[INFO] [stderr] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:276:32
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/lib.rs:242:24
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut n: usize = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let mut archive = Archive::new(reader);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let mut m = MenderArtifact {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:343:13
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cur_archive`
[INFO] [stderr]    --> src/lib.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entry`
[INFO] [stderr]    --> src/lib.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     version: Option<Version>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `manifest`
[INFO] [stderr]    --> src/lib.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     manifest: Option<Manifest>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `header`
[INFO] [stderr]    --> src/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     header: Option<Header>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flate2::read::GzDecoder`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use flate2::read::GzDecoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stderr]  --> src/main.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{debug, info, trace, warn};
[INFO] [stderr]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tar::Archive`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tar::Archive;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stderr]  --> src/lib.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{debug, info, trace, warn};
[INFO] [stderr]   |                  ^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/lib.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:272:35
[INFO] [stderr]     |
[INFO] [stderr] 272 |     archive: tar::Archive<&'a mut std::io::Read>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:276:32
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn new(reader: &'a mut std::io::Read) -> MenderArtifact {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut entry: tar::Entry<'a, &'a mut std::io::Read> = entries.next().unwrap().unwrap();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |             -------- matches any value
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payloads`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payloads`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `IOError`
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_IOError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ParseError`
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `JSONParseError`
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_JSONParseError`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/lib.rs:242:24
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut payloads = ma.parse(&outfile).unwrap();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let mut n: usize = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |         let mut archive = Archive::new(reader);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let mut m = MenderArtifact {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:343:13
[INFO] [stderr]     |
[INFO] [stderr] 343 |         let mut decoder = GzDecoder::new(&mut entry);
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cur_archive`
[INFO] [stderr]    --> src/lib.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     cur_archive: tar::Archive<flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entry`
[INFO] [stderr]    --> src/lib.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     entry: tar::Entry<'a, flate2::read::GzDecoder<&'a mut tar::Entry<'a, &'a mut (dyn std::io::Read + 'a)>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     version: Option<Version>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `manifest`
[INFO] [stderr]    --> src/lib.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     manifest: Option<Manifest>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `header`
[INFO] [stderr]    --> src/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     header: Option<Header>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |             &IOError => "IOError",
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             &ParseError => "ParseError",
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |             &JSONParseError => "JSONParrseError",
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IOError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |             &IOError => None,
[INFO] [stderr]    |              ^^^^^^^ help: convert the identifier to snake case: `ioerror`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |             &ParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^ help: convert the identifier to snake case: `parse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `JSONParseError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |             &JSONParseError => None,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `jsonparse_error`
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mender_artifact-3f482f26a75f5d90
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mender_artifact-72923ee4c5c17d48
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mender_artifact
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_read_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a135c31222dc128ef49b8f64621742d1c6c1f72228837bcb2f7e95c72f7f7d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a135c31222dc128ef49b8f64621742d1c6c1f72228837bcb2f7e95c72f7f7d02", kill_on_drop: false }`
[INFO] [stdout] a135c31222dc128ef49b8f64621742d1c6c1f72228837bcb2f7e95c72f7f7d02
