[INFO] fetching crate rs-git-lib 0.2.1...
[INFO] checking rs-git-lib-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rs-git-lib 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rs-git-lib 0.2.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-git-lib 0.2.1
[INFO] finished tweaking crates.io crate rs-git-lib 0.2.1
[INFO] tweaked toml for crates.io crate rs-git-lib 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 157 packages
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b38a830be34857e127df1dae4592f3c36fa6019ece98900c9e60a1c9e812db4
[INFO] running `Command { std: "docker" "start" "-a" "7b38a830be34857e127df1dae4592f3c36fa6019ece98900c9e60a1c9e812db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b38a830be34857e127df1dae4592f3c36fa6019ece98900c9e60a1c9e812db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b38a830be34857e127df1dae4592f3c36fa6019ece98900c9e60a1c9e812db4", kill_on_drop: false }`
[INFO] [stdout] 7b38a830be34857e127df1dae4592f3c36fa6019ece98900c9e60a1c9e812db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc40b17a9609a2ab08e6ea61d74229547d5ba0eb4c930d862ed1a276e5cbf59
[INFO] running `Command { std: "docker" "start" "-a" "2fc40b17a9609a2ab08e6ea61d74229547d5ba0eb4c930d862ed1a276e5cbf59", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking tokio v0.2.25
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[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking tokio-util v0.3.1
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[INFO] [stderr]     Checking rs-git-lib v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/store/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromHex` is imported redundantly
[INFO] [stdout]    --> src/packfile/index.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         -------- the item `FromHex` is already imported here
[INFO] [stdout] 203 |     use rustc_serialize::hex::{FromHex, ToHex};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToHex` is imported redundantly
[INFO] [stdout]    --> src/packfile/index.rs:203:41
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         -------- the item `ToHex` is already imported here
[INFO] [stdout] 203 |     use rustc_serialize::hex::{FromHex, ToHex};
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/packfile/index.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout] 203 |     use rustc_serialize::hex::{FromHex, ToHex};
[INFO] [stdout] 204 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/packfile/index.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 205 |     use std::io::Read;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/packfile/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use super::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout] 115 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/packfile/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 115 |     use std::fs::File;
[INFO] [stdout] 116 |     use std::io::Read;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GitObject` is imported redundantly
[INFO] [stdout]    --> src/store/commit.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         -------- the item `GitObject` is already imported here
[INFO] [stdout] 139 |     use crate::store::object::{GitObject, GitObjectType};
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/store/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/store/commit.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let naive = NaiveDateTime::from_timestamp(ts as i64, 0);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::FixedOffset::east`: use `east_opt()` instead
[INFO] [stdout]   --> src/store/commit.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let offset = FixedOffset::east(sgn * tz/100 * 3600);
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]    --> src/store/commit.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let timestamp = DateTime::from_utc(naive, offset);
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> src/store/commit.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let naive = NaiveDateTime::from_timestamp(ts as i64, 0);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::FixedOffset::east`: use `east_opt()` instead
[INFO] [stdout]   --> src/store/commit.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let offset = FixedOffset::east(sgn * tz/100 * 3600);
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]    --> src/store/commit.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let timestamp = DateTime::from_utc(naive, offset);
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `get_offset` is never read
[INFO] [stdout]   --> src/delta/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DeltaHeader {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     get_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeltaHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/packfile/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct PackFile {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub index: PackIndex,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `email`, and `timestamp` are never read
[INFO] [stdout]   --> src/store/commit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Person<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     email: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     timestamp: DateTime<FixedOffset>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw` is never read
[INFO] [stdout]   --> src/store/commit.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Commit<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     raw: &'a GitObject,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Commit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `protocol` is never used
[INFO] [stdout]   --> src/transport/client/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Protocol {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn protocol(&self) -> &'static str;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/transport/client/file_client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FileProtocol {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 9 |     path: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FileProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> src/transport/client/git_client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GitProtocol {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     url: Url,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GitProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/transport/client/local_client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LocalProtocol {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     path: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LocalProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> src/transport/client/ssh_client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SshProtocol {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     url: Url,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SshProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `get_offset` is never read
[INFO] [stdout]   --> src/delta/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DeltaHeader {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     get_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeltaHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/store/commit.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Person<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     timestamp: DateTime<FixedOffset>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw` is never read
[INFO] [stdout]   --> src/store/commit.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Commit<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     raw: &'a GitObject,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Commit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `protocol` is never used
[INFO] [stdout]   --> src/transport/client/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Protocol {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn protocol(&self) -> &'static str;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/transport/client/file_client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FileProtocol {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 9 |     path: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FileProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> src/transport/client/git_client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GitProtocol {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     url: Url,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GitProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/transport/client/local_client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LocalProtocol {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     path: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LocalProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `url` is never read
[INFO] [stdout]   --> src/transport/client/ssh_client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SshProtocol {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     url: Url,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SshProtocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/transport/url_parser.rs:225:38
[INFO] [stdout]     |
[INFO] [stdout] 225 |             panic!("failed ssh parse {:?}");
[INFO] [stdout]     |                                      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 225 |             panic!("failed ssh parse {:?}", ...);
[INFO] [stdout]     |                                           +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 225 |             panic!("{}", "failed ssh parse {:?}");
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.90s
[INFO] running `Command { std: "docker" "inspect" "2fc40b17a9609a2ab08e6ea61d74229547d5ba0eb4c930d862ed1a276e5cbf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc40b17a9609a2ab08e6ea61d74229547d5ba0eb4c930d862ed1a276e5cbf59", kill_on_drop: false }`
[INFO] [stdout] 2fc40b17a9609a2ab08e6ea61d74229547d5ba0eb4c930d862ed1a276e5cbf59