[INFO] cloning repository https://github.com/knightpp/word-frequency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knightpp/word-frequency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightpp%2Fword-frequency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightpp%2Fword-frequency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c870c879367b5a8aedb9794a1bfc21bf2d521d51
[INFO] testing knightpp/word-frequency against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightpp%2Fword-frequency" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knightpp/word-frequency on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knightpp/word-frequency
[INFO] finished tweaking git repo https://github.com/knightpp/word-frequency
[INFO] tweaked toml for git repo https://github.com/knightpp/word-frequency written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/knightpp/word-frequency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ebd0f0ec36e77cf29c2d77dbe91a37a6ed871567c46f50047d6e612db5d36f3
[INFO] running `Command { std: "docker" "start" "-a" "1ebd0f0ec36e77cf29c2d77dbe91a37a6ed871567c46f50047d6e612db5d36f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ebd0f0ec36e77cf29c2d77dbe91a37a6ed871567c46f50047d6e612db5d36f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebd0f0ec36e77cf29c2d77dbe91a37a6ed871567c46f50047d6e612db5d36f3", kill_on_drop: false }`
[INFO] [stdout] 1ebd0f0ec36e77cf29c2d77dbe91a37a6ed871567c46f50047d6e612db5d36f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba7de7223e3186828d6ff1fcc5c2d409bbc46d24af8d9dfd6e503800b15fbed6
[INFO] running `Command { std: "docker" "start" "-a" "ba7de7223e3186828d6ff1fcc5c2d409bbc46d24af8d9dfd6e503800b15fbed6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling word_frequency_t66 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "ba7de7223e3186828d6ff1fcc5c2d409bbc46d24af8d9dfd6e503800b15fbed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7de7223e3186828d6ff1fcc5c2d409bbc46d24af8d9dfd6e503800b15fbed6", kill_on_drop: false }`
[INFO] [stdout] ba7de7223e3186828d6ff1fcc5c2d409bbc46d24af8d9dfd6e503800b15fbed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c81a089a9f8fa8a3a1d4693c1a56a07c49a1ce5aef58a4e49018385763f9c7ed
[INFO] running `Command { std: "docker" "start" "-a" "c81a089a9f8fa8a3a1d4693c1a56a07c49a1ce5aef58a4e49018385763f9c7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling word_frequency_t66 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "c81a089a9f8fa8a3a1d4693c1a56a07c49a1ce5aef58a4e49018385763f9c7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81a089a9f8fa8a3a1d4693c1a56a07c49a1ce5aef58a4e49018385763f9c7ed", kill_on_drop: false }`
[INFO] [stdout] c81a089a9f8fa8a3a1d4693c1a56a07c49a1ce5aef58a4e49018385763f9c7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67a6b9f494f5cd4f5d597e2bc39d50502a66d80f9be2a1f0946dd74cf15c4ff9
[INFO] running `Command { std: "docker" "start" "-a" "67a6b9f494f5cd4f5d597e2bc39d50502a66d80f9be2a1f0946dd74cf15c4ff9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/word_frequency_t66-f3f3558f67a9bf31)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67a6b9f494f5cd4f5d597e2bc39d50502a66d80f9be2a1f0946dd74cf15c4ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a6b9f494f5cd4f5d597e2bc39d50502a66d80f9be2a1f0946dd74cf15c4ff9", kill_on_drop: false }`
[INFO] [stdout] 67a6b9f494f5cd4f5d597e2bc39d50502a66d80f9be2a1f0946dd74cf15c4ff9