[INFO] fetching crate ansi-colors 0.3.0...
[INFO] checking ansi-colors-0.3.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate ansi-colors 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ansi-colors 0.3.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-colors 0.3.0
[INFO] finished tweaking crates.io crate ansi-colors 0.3.0
[INFO] tweaked toml for crates.io crate ansi-colors 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ansi-colors 0.3.0 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e1bf6856a5a506645c4e4b063b1d1d466b39c440333d81afbc2c3899810ca71
[INFO] running `Command { std: "docker" "start" "-a" "6e1bf6856a5a506645c4e4b063b1d1d466b39c440333d81afbc2c3899810ca71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e1bf6856a5a506645c4e4b063b1d1d466b39c440333d81afbc2c3899810ca71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1bf6856a5a506645c4e4b063b1d1d466b39c440333d81afbc2c3899810ca71", kill_on_drop: false }`
[INFO] [stdout] 6e1bf6856a5a506645c4e4b063b1d1d466b39c440333d81afbc2c3899810ca71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05740ddc197caa89d50dc8e8d7c6459c7fe82552d2d5c71793f9db263680e97f
[INFO] running `Command { std: "docker" "start" "-a" "05740ddc197caa89d50dc8e8d7c6459c7fe82552d2d5c71793f9db263680e97f", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-colors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, 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: fields `colorer` and `closer` are never read
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ColouredStr<'a>{
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ColouredStr` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "05740ddc197caa89d50dc8e8d7c6459c7fe82552d2d5c71793f9db263680e97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05740ddc197caa89d50dc8e8d7c6459c7fe82552d2d5c71793f9db263680e97f", kill_on_drop: false }`
[INFO] [stdout] 05740ddc197caa89d50dc8e8d7c6459c7fe82552d2d5c71793f9db263680e97f
