[INFO] cloning repository https://github.com/Eoin-McMahon/Huffman-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eoin-McMahon/Huffman-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEoin-McMahon%2FHuffman-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEoin-McMahon%2FHuffman-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1881837c39908848249468487f54b825adf62f7e [INFO] testing Eoin-McMahon/Huffman-Rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEoin-McMahon%2FHuffman-Rust" "/workspace/builds/worker-94/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eoin-McMahon/Huffman-Rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eoin-McMahon/Huffman-Rust [INFO] finished tweaking git repo https://github.com/Eoin-McMahon/Huffman-Rust [INFO] tweaked toml for git repo https://github.com/Eoin-McMahon/Huffman-Rust written to /workspace/builds/worker-94/source/Cargo.toml [INFO] crate git repo https://github.com/Eoin-McMahon/Huffman-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33245276ca3d194e39e256d1811e4d9789a0add169fa06a9eb8c68608e7aca26 [INFO] running `Command { std: "docker" "start" "-a" "33245276ca3d194e39e256d1811e4d9789a0add169fa06a9eb8c68608e7aca26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33245276ca3d194e39e256d1811e4d9789a0add169fa06a9eb8c68608e7aca26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33245276ca3d194e39e256d1811e4d9789a0add169fa06a9eb8c68608e7aca26", kill_on_drop: false }` [INFO] [stdout] 33245276ca3d194e39e256d1811e4d9789a0add169fa06a9eb8c68608e7aca26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b29be5cda2c6b539ce3eb07ed804e54d123cb47b5ad3628c9c00d174c6c3635 [INFO] running `Command { std: "docker" "start" "-a" "8b29be5cda2c6b539ce3eb07ed804e54d123cb47b5ad3628c9c00d174c6c3635", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "8b29be5cda2c6b539ce3eb07ed804e54d123cb47b5ad3628c9c00d174c6c3635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b29be5cda2c6b539ce3eb07ed804e54d123cb47b5ad3628c9c00d174c6c3635", kill_on_drop: false }` [INFO] [stdout] 8b29be5cda2c6b539ce3eb07ed804e54d123cb47b5ad3628c9c00d174c6c3635 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ba4aaf150c4071d4392dad3eaec4f6f397649f9865b01fc00ad0d758507c550 [INFO] running `Command { std: "docker" "start" "-a" "7ba4aaf150c4071d4392dad3eaec4f6f397649f9865b01fc00ad0d758507c550", kill_on_drop: false }` [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "7ba4aaf150c4071d4392dad3eaec4f6f397649f9865b01fc00ad0d758507c550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ba4aaf150c4071d4392dad3eaec4f6f397649f9865b01fc00ad0d758507c550", kill_on_drop: false }` [INFO] [stdout] 7ba4aaf150c4071d4392dad3eaec4f6f397649f9865b01fc00ad0d758507c550 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0ef9ecdab0c7ebdcb0d87027f360ba5634952caf76e70c363cd789dac16dbfce [INFO] running `Command { std: "docker" "start" "-a" "0ef9ecdab0c7ebdcb0d87027f360ba5634952caf76e70c363cd789dac16dbfce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.32s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/huffman-25a53a2654a2428f) [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" "0ef9ecdab0c7ebdcb0d87027f360ba5634952caf76e70c363cd789dac16dbfce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ef9ecdab0c7ebdcb0d87027f360ba5634952caf76e70c363cd789dac16dbfce", kill_on_drop: false }` [INFO] [stdout] 0ef9ecdab0c7ebdcb0d87027f360ba5634952caf76e70c363cd789dac16dbfce