[INFO] fetching crate fixed_width 0.4.0...
[INFO] checking fixed_width-0.4.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate fixed_width 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate fixed_width 0.4.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed_width 0.4.0
[INFO] finished tweaking crates.io crate fixed_width 0.4.0
[INFO] tweaked toml for crates.io crate fixed_width 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caf2b77473c0cc46421a48274541b821be78fc6defb9961cf41caf444065d5ad
[INFO] running `Command { std: "docker" "start" "-a" "caf2b77473c0cc46421a48274541b821be78fc6defb9961cf41caf444065d5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caf2b77473c0cc46421a48274541b821be78fc6defb9961cf41caf444065d5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf2b77473c0cc46421a48274541b821be78fc6defb9961cf41caf444065d5ad", kill_on_drop: false }`
[INFO] [stdout] caf2b77473c0cc46421a48274541b821be78fc6defb9961cf41caf444065d5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5921b4a6eadd64b0a230827abf70b01eba91df5df343c90fba1858fa4d0bd32
[INFO] running `Command { std: "docker" "start" "-a" "b5921b4a6eadd64b0a230827abf70b01eba91df5df343c90fba1858fa4d0bd32", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking fixed_width v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]    --> src/reader.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         a: String,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]    --> src/reader.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |         b: String,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]    --> src/reader.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |         c: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "b5921b4a6eadd64b0a230827abf70b01eba91df5df343c90fba1858fa4d0bd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5921b4a6eadd64b0a230827abf70b01eba91df5df343c90fba1858fa4d0bd32", kill_on_drop: false }`
[INFO] [stdout] b5921b4a6eadd64b0a230827abf70b01eba91df5df343c90fba1858fa4d0bd32