[INFO] cloning repository https://github.com/Opadc/huffman-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Opadc/huffman-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOpadc%2Fhuffman-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOpadc%2Fhuffman-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 137566677042c94b658587b129d3ba6f6e1152b0
[INFO] testing Opadc/huffman-code against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOpadc%2Fhuffman-code" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Opadc/huffman-code on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Opadc/huffman-code
[INFO] finished tweaking git repo https://github.com/Opadc/huffman-code
[INFO] tweaked toml for git repo https://github.com/Opadc/huffman-code written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Opadc/huffman-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a0d16b0d872d3e349e615bf4dd109283770004745ae686f6d20fab5b9ecab20
[INFO] running `Command { std: "docker" "start" "-a" "9a0d16b0d872d3e349e615bf4dd109283770004745ae686f6d20fab5b9ecab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0d16b0d872d3e349e615bf4dd109283770004745ae686f6d20fab5b9ecab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0d16b0d872d3e349e615bf4dd109283770004745ae686f6d20fab5b9ecab20", kill_on_drop: false }`
[INFO] [stdout] 9a0d16b0d872d3e349e615bf4dd109283770004745ae686f6d20fab5b9ecab20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1c5937cd6d5c3e08bdb2894e0a7a1db23c9f9d0c4982ac2b2fe3ccdfda2c1c
[INFO] running `Command { std: "docker" "start" "-a" "ce1c5937cd6d5c3e08bdb2894e0a7a1db23c9f9d0c4982ac2b2fe3ccdfda2c1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling huffman_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "ce1c5937cd6d5c3e08bdb2894e0a7a1db23c9f9d0c4982ac2b2fe3ccdfda2c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1c5937cd6d5c3e08bdb2894e0a7a1db23c9f9d0c4982ac2b2fe3ccdfda2c1c", kill_on_drop: false }`
[INFO] [stdout] ce1c5937cd6d5c3e08bdb2894e0a7a1db23c9f9d0c4982ac2b2fe3ccdfda2c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73679529fda56fce7935725322f93ced57691ff52c9ecc0964e8e392c79391bf
[INFO] running `Command { std: "docker" "start" "-a" "73679529fda56fce7935725322f93ced57691ff52c9ecc0964e8e392c79391bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling huffman_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "73679529fda56fce7935725322f93ced57691ff52c9ecc0964e8e392c79391bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73679529fda56fce7935725322f93ced57691ff52c9ecc0964e8e392c79391bf", kill_on_drop: false }`
[INFO] [stdout] 73679529fda56fce7935725322f93ced57691ff52c9ecc0964e8e392c79391bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6c918e41f325116b3e0d7f283ccf6ecbcdf4393396a454752f8ee68a425f702
[INFO] running `Command { std: "docker" "start" "-a" "e6c918e41f325116b3e0d7f283ccf6ecbcdf4393396a454752f8ee68a425f702", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_rs-ef072a7c8b259678)
[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" "e6c918e41f325116b3e0d7f283ccf6ecbcdf4393396a454752f8ee68a425f702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c918e41f325116b3e0d7f283ccf6ecbcdf4393396a454752f8ee68a425f702", kill_on_drop: false }`
[INFO] [stdout] e6c918e41f325116b3e0d7f283ccf6ecbcdf4393396a454752f8ee68a425f702