[INFO] fetching crate can-cli 0.4.2...
[INFO] checking can-cli-0.4.2 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate can-cli 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate can-cli 0.4.2
[INFO] finished tweaking crates.io crate can-cli 0.4.2
[INFO] tweaked toml for crates.io crate can-cli 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate can-cli 0.4.2 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate can-cli 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646
[INFO] running `Command { std: "docker" "start" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646", 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" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646", 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" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking xdg v3.0.0
[INFO] [stderr]     Checking optz v0.10.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking can-cli v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/macos.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |           .unwrap_or_else(|_| "Unknown UTF-8 error".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] 33 -           .unwrap_or_else(|_| "Unknown UTF-8 error".into())
[INFO] [stdout] 33 +           .unwrap_or_else(|_| "Unknown UTF-8 error")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 33 -           .unwrap_or_else(|_| "Unknown UTF-8 error".into())
[INFO] [stdout] 33 +           .unwrap_or_else(|_| <&str as Into<_>>::into("Unknown UTF-8 error"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/macos.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |           .unwrap_or_else(|_| "".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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 39 -           .unwrap_or_else(|_| "".into())
[INFO] [stdout] 39 +           .unwrap_or_else(|_| "")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 39 -           .unwrap_or_else(|_| "".into())
[INFO] [stdout] 39 +           .unwrap_or_else(|_| <&str as Into<_>>::into(""))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `can-cli` (bin "can" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/macos.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |           .unwrap_or_else(|_| "Unknown UTF-8 error".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] 33 -           .unwrap_or_else(|_| "Unknown UTF-8 error".into())
[INFO] [stdout] 33 +           .unwrap_or_else(|_| "Unknown UTF-8 error")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 33 -           .unwrap_or_else(|_| "Unknown UTF-8 error".into())
[INFO] [stdout] 33 +           .unwrap_or_else(|_| <&str as Into<_>>::into("Unknown UTF-8 error"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/macos.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |           .unwrap_or_else(|_| "".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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 39 -           .unwrap_or_else(|_| "".into())
[INFO] [stdout] 39 +           .unwrap_or_else(|_| "")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 39 -           .unwrap_or_else(|_| "".into())
[INFO] [stdout] 39 +           .unwrap_or_else(|_| <&str as Into<_>>::into(""))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `can-cli` (bin "can") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646", kill_on_drop: false }`
[INFO] [stdout] c5962cda684f3ee25e27f59672636fe6cd8710734b565b700dc9be29cca10646
