[INFO] fetching crate muchutils 0.1.0...
[INFO] building muchutils-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate muchutils 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate muchutils 0.1.0
[INFO] finished tweaking crates.io crate muchutils 0.1.0
[INFO] tweaked toml for crates.io crate muchutils 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate muchutils 0.1.0 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 muchutils 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded tempfile-fast v0.3.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded lru v0.6.0
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded miniz_oxide v0.4.1
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded iowrap v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f9f8c923f144c95aba9e2fec3ccfd1ece3476971e9fbc3be91d7719a000d62c0
[INFO] running `Command { std: "docker" "start" "-a" "f9f8c923f144c95aba9e2fec3ccfd1ece3476971e9fbc3be91d7719a000d62c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f8c923f144c95aba9e2fec3ccfd1ece3476971e9fbc3be91d7719a000d62c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f8c923f144c95aba9e2fec3ccfd1ece3476971e9fbc3be91d7719a000d62c0", kill_on_drop: false }`
[INFO] [stdout] f9f8c923f144c95aba9e2fec3ccfd1ece3476971e9fbc3be91d7719a000d62c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cac6509faad8ecd93cb3c15e1d520cd2e8fc8b51628635f21d9b564b315162b
[INFO] running `Command { std: "docker" "start" "-a" "7cac6509faad8ecd93cb3c15e1d520cd2e8fc8b51628635f21d9b564b315162b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling iowrap v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lru v0.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tempfile-fast v0.3.3
[INFO] [stderr]    Compiling muchutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "7cac6509faad8ecd93cb3c15e1d520cd2e8fc8b51628635f21d9b564b315162b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cac6509faad8ecd93cb3c15e1d520cd2e8fc8b51628635f21d9b564b315162b", kill_on_drop: false }`
[INFO] [stdout] 7cac6509faad8ecd93cb3c15e1d520cd2e8fc8b51628635f21d9b564b315162b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1a0b44d0588709f4b2f21585202b2ff38d4c0051a600455bd92e2e0fb0bbd48
[INFO] running `Command { std: "docker" "start" "-a" "e1a0b44d0588709f4b2f21585202b2ff38d4c0051a600455bd92e2e0fb0bbd48", kill_on_drop: false }`
[INFO] [stderr]    Compiling muchutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e1a0b44d0588709f4b2f21585202b2ff38d4c0051a600455bd92e2e0fb0bbd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a0b44d0588709f4b2f21585202b2ff38d4c0051a600455bd92e2e0fb0bbd48", kill_on_drop: false }`
[INFO] [stdout] e1a0b44d0588709f4b2f21585202b2ff38d4c0051a600455bd92e2e0fb0bbd48