[INFO] fetching crate trim 2.0.2...
[INFO] building trim-2.0.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate trim 2.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate trim 2.0.2
[INFO] finished tweaking crates.io crate trim 2.0.2
[INFO] tweaked toml for crates.io crate trim 2.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate trim 2.0.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trim 2.0.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded colmac v0.1.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6906b05715c9d027e2c15f74e9cf7b573fe26b5ad6bd25d19850dfd61b08556d
[INFO] running `Command { std: "docker" "start" "-a" "6906b05715c9d027e2c15f74e9cf7b573fe26b5ad6bd25d19850dfd61b08556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6906b05715c9d027e2c15f74e9cf7b573fe26b5ad6bd25d19850dfd61b08556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6906b05715c9d027e2c15f74e9cf7b573fe26b5ad6bd25d19850dfd61b08556d", kill_on_drop: false }`
[INFO] [stdout] 6906b05715c9d027e2c15f74e9cf7b573fe26b5ad6bd25d19850dfd61b08556d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7996c7c90bdff8be705265e58b843931e964471d0f5ab71f3623b9b252b6fe10
[INFO] running `Command { std: "docker" "start" "-a" "7996c7c90bdff8be705265e58b843931e964471d0f5ab71f3623b9b252b6fe10", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling colmac v0.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling trim v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mktemp` is never used
[INFO] [stdout]   --> src/util.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mktemp<D>(prefix: &str, content: &D) -> io::Result<PathBuf>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "7996c7c90bdff8be705265e58b843931e964471d0f5ab71f3623b9b252b6fe10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7996c7c90bdff8be705265e58b843931e964471d0f5ab71f3623b9b252b6fe10", kill_on_drop: false }`
[INFO] [stdout] 7996c7c90bdff8be705265e58b843931e964471d0f5ab71f3623b9b252b6fe10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790154315ffd58ffcfc7472ea08fbe8b63d5548fdc935bdd5bc7aa0015c74b36
[INFO] running `Command { std: "docker" "start" "-a" "790154315ffd58ffcfc7472ea08fbe8b63d5548fdc935bdd5bc7aa0015c74b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling trim v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "790154315ffd58ffcfc7472ea08fbe8b63d5548fdc935bdd5bc7aa0015c74b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790154315ffd58ffcfc7472ea08fbe8b63d5548fdc935bdd5bc7aa0015c74b36", kill_on_drop: false }`
[INFO] [stdout] 790154315ffd58ffcfc7472ea08fbe8b63d5548fdc935bdd5bc7aa0015c74b36