[INFO] fetching crate mender_artifact 0.1.3...
[INFO] testing mender_artifact-0.1.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate mender_artifact 0.1.3 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate mender_artifact 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-82/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded simple_logger v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 930a3c7a23eafb1ec3f8d6e4b10c44ba1588193fd34b4050aa1598e67c9d57d4
[INFO] running `Command { std: "docker" "start" "-a" "930a3c7a23eafb1ec3f8d6e4b10c44ba1588193fd34b4050aa1598e67c9d57d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "930a3c7a23eafb1ec3f8d6e4b10c44ba1588193fd34b4050aa1598e67c9d57d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930a3c7a23eafb1ec3f8d6e4b10c44ba1588193fd34b4050aa1598e67c9d57d4", kill_on_drop: false }`
[INFO] [stdout] 930a3c7a23eafb1ec3f8d6e4b10c44ba1588193fd34b4050aa1598e67c9d57d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 042874108e755348d960d4979cc8d298359cf621089e10803577edfa83d00bce
[INFO] running `Command { std: "docker" "start" "-a" "042874108e755348d960d4979cc8d298359cf621089e10803577edfa83d00bce", 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 cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.101
[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 quote v1.0.2
[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 miniz-sys v0.1.12
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.11
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:20:13
[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 20.98s
[INFO] running `Command { std: "docker" "inspect" "042874108e755348d960d4979cc8d298359cf621089e10803577edfa83d00bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042874108e755348d960d4979cc8d298359cf621089e10803577edfa83d00bce", kill_on_drop: false }`
[INFO] [stdout] 042874108e755348d960d4979cc8d298359cf621089e10803577edfa83d00bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5fcab725b80e3d7e547085d709cb4c3a4194e0e171ac72fd3d478b90ce0de87
[INFO] running `Command { std: "docker" "start" "-a" "d5fcab725b80e3d7e547085d709cb4c3a4194e0e171ac72fd3d478b90ce0de87", kill_on_drop: false }`
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [stderr]    Compiling mender_artifact v0.1.3 (/opt/rustwide/workdir)
[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 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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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:20:13
[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/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/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: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] 
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "d5fcab725b80e3d7e547085d709cb4c3a4194e0e171ac72fd3d478b90ce0de87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fcab725b80e3d7e547085d709cb4c3a4194e0e171ac72fd3d478b90ce0de87", kill_on_drop: false }`
[INFO] [stdout] d5fcab725b80e3d7e547085d709cb4c3a4194e0e171ac72fd3d478b90ce0de87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 160c798008e35554173524764d8a9b1d1a95de31ba13b927185017851dd539ca
[INFO] running `Command { std: "docker" "start" "-a" "160c798008e35554173524764d8a9b1d1a95de31ba13b927185017851dd539ca", 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]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: `mender_artifact` (lib) generated 32 warnings
[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 variable: `payloads`
[INFO] [stderr]   --> src/main.rs:20:13
[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: 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: `mender_artifact` (lib test) generated 32 warnings (32 duplicates)
[INFO] [stderr] warning: `mender_artifact` (bin "mender_artifact" test) generated 39 warnings (29 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mender_artifact-9e5ab91bc8979c60)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mender_artifact-c9d1f47717d0525b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mender_artifact
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "160c798008e35554173524764d8a9b1d1a95de31ba13b927185017851dd539ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160c798008e35554173524764d8a9b1d1a95de31ba13b927185017851dd539ca", kill_on_drop: false }`
[INFO] [stdout] 160c798008e35554173524764d8a9b1d1a95de31ba13b927185017851dd539ca
