[INFO] fetching crate slog-logfmt 0.1.0...
[INFO] checking slog-logfmt-0.1.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate slog-logfmt 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slog-logfmt 0.1.0
[INFO] finished tweaking crates.io crate slog-logfmt 0.1.0
[INFO] tweaked toml for crates.io crate slog-logfmt 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-logfmt 0.1.0 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280
[INFO] running `Command { std: "docker" "start" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.17
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking slog-logfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/lib.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 "msg".into(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 353 -                 "msg".into(),
[INFO] [stdout] 353 +                 "msg",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 353 -                 "msg".into(),
[INFO] [stdout] 353 +                 <&str as Into<_>>::into("msg"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn optionally_quote(input: &str, force: bool) -> Cow<str> {
[INFO] [stdout]     |                            ^^^^                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn optionally_quote(input: &str, force: bool) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-logfmt` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/lib.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 "msg".into(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 353 -                 "msg".into(),
[INFO] [stdout] 353 +                 "msg",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 353 -                 "msg".into(),
[INFO] [stdout] 353 +                 <&str as Into<_>>::into("msg"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn optionally_quote(input: &str, force: bool) -> Cow<str> {
[INFO] [stdout]     |                            ^^^^                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn optionally_quote(input: &str, force: bool) -> Cow<'_, str> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-logfmt` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280", kill_on_drop: false }`
[INFO] [stdout] 8e9ce02d2e27652b482086cac44a4a796be3e559ca3bd963e20f7a9a9295f280
