[INFO] fetching crate fcode 1.0.0...
[INFO] checking fcode-1.0.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate fcode 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fcode 1.0.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fcode 1.0.0
[INFO] finished tweaking crates.io crate fcode 1.0.0
[INFO] tweaked toml for crates.io crate fcode 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate fcode 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeef719e0f716c60356228c600408616c057d09b41c28a1ebacbeafd1f70c176
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aeef719e0f716c60356228c600408616c057d09b41c28a1ebacbeafd1f70c176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeef719e0f716c60356228c600408616c057d09b41c28a1ebacbeafd1f70c176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeef719e0f716c60356228c600408616c057d09b41c28a1ebacbeafd1f70c176", kill_on_drop: false }`
[INFO] [stdout] aeef719e0f716c60356228c600408616c057d09b41c28a1ebacbeafd1f70c176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 910de9d808288cd92438c8b1d8ade228fac2fdd968b93c5b9d15eaa0caf9ea46
[INFO] running `Command { std: "docker" "start" "-a" "910de9d808288cd92438c8b1d8ade228fac2fdd968b93c5b9d15eaa0caf9ea46", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.63
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking fcode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/tests.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.67s
[INFO] running `Command { std: "docker" "inspect" "910de9d808288cd92438c8b1d8ade228fac2fdd968b93c5b9d15eaa0caf9ea46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910de9d808288cd92438c8b1d8ade228fac2fdd968b93c5b9d15eaa0caf9ea46", kill_on_drop: false }`
[INFO] [stdout] 910de9d808288cd92438c8b1d8ade228fac2fdd968b93c5b9d15eaa0caf9ea46