[INFO] fetching crate huffman-encoding 0.1.2...
[INFO] testing huffman-encoding-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate huffman-encoding 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate huffman-encoding 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huffman-encoding 0.1.2
[INFO] finished tweaking crates.io crate huffman-encoding 0.1.2
[INFO] tweaked toml for crates.io crate huffman-encoding 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bf540cd5a3501fa2d695f7b40e5d20ad59f13708fd79b007d22fc104f6c1e16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bf540cd5a3501fa2d695f7b40e5d20ad59f13708fd79b007d22fc104f6c1e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf540cd5a3501fa2d695f7b40e5d20ad59f13708fd79b007d22fc104f6c1e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf540cd5a3501fa2d695f7b40e5d20ad59f13708fd79b007d22fc104f6c1e16", kill_on_drop: false }`
[INFO] [stdout] 7bf540cd5a3501fa2d695f7b40e5d20ad59f13708fd79b007d22fc104f6c1e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bb9b29616bec32dcfc7eeb3bfbdb16abd946390bb778175ae2d2d3c55f95268
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bb9b29616bec32dcfc7eeb3bfbdb16abd946390bb778175ae2d2d3c55f95268", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "9bb9b29616bec32dcfc7eeb3bfbdb16abd946390bb778175ae2d2d3c55f95268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb9b29616bec32dcfc7eeb3bfbdb16abd946390bb778175ae2d2d3c55f95268", kill_on_drop: false }`
[INFO] [stdout] 9bb9b29616bec32dcfc7eeb3bfbdb16abd946390bb778175ae2d2d3c55f95268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 583e599e718ce423783e0e5461c3551f8044e96bf3e35876812422dda6506d54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "583e599e718ce423783e0e5461c3551f8044e96bf3e35876812422dda6506d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "583e599e718ce423783e0e5461c3551f8044e96bf3e35876812422dda6506d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583e599e718ce423783e0e5461c3551f8044e96bf3e35876812422dda6506d54", kill_on_drop: false }`
[INFO] [stdout] 583e599e718ce423783e0e5461c3551f8044e96bf3e35876812422dda6506d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 568a73a5162dd3abfd90b6622ce48e033a12b367c3c2f6e386e1b494955f261e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "568a73a5162dd3abfd90b6622ce48e033a12b367c3c2f6e386e1b494955f261e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_encoding-97ddcdd5405610f2)
[INFO] [stdout] test tests::test_encode_decode_string ... ok
[INFO] [stderr]    Doc-tests huffman-encoding
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_encode_decode_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "568a73a5162dd3abfd90b6622ce48e033a12b367c3c2f6e386e1b494955f261e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568a73a5162dd3abfd90b6622ce48e033a12b367c3c2f6e386e1b494955f261e", kill_on_drop: false }`
[INFO] [stdout] 568a73a5162dd3abfd90b6622ce48e033a12b367c3c2f6e386e1b494955f261e