[INFO] fetching crate huffman-encoding 0.1.2...
[INFO] testing huffman-encoding-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate huffman-encoding 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate huffman-encoding 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94ff004f412f7f1cf0a567c5c44e7e1a768bc61ad880895addb5506b9d357f83
[INFO] running `Command { std: "docker" "start" "-a" "94ff004f412f7f1cf0a567c5c44e7e1a768bc61ad880895addb5506b9d357f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94ff004f412f7f1cf0a567c5c44e7e1a768bc61ad880895addb5506b9d357f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ff004f412f7f1cf0a567c5c44e7e1a768bc61ad880895addb5506b9d357f83", kill_on_drop: false }`
[INFO] [stdout] 94ff004f412f7f1cf0a567c5c44e7e1a768bc61ad880895addb5506b9d357f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d9ea58cb35585ca7c87cea30a38966131a37af98a13b206e5ff13f84590c02c
[INFO] running `Command { std: "docker" "start" "-a" "7d9ea58cb35585ca7c87cea30a38966131a37af98a13b206e5ff13f84590c02c", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "7d9ea58cb35585ca7c87cea30a38966131a37af98a13b206e5ff13f84590c02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9ea58cb35585ca7c87cea30a38966131a37af98a13b206e5ff13f84590c02c", kill_on_drop: false }`
[INFO] [stdout] 7d9ea58cb35585ca7c87cea30a38966131a37af98a13b206e5ff13f84590c02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915fdeaad9afb8908e0620430210cfad506499607f31283a8a40bf6f66c3f6d2
[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" "915fdeaad9afb8908e0620430210cfad506499607f31283a8a40bf6f66c3f6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-encoding v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffman_encoding-07f05e5fd242a875)
[INFO] running `Command { std: "docker" "inspect" "915fdeaad9afb8908e0620430210cfad506499607f31283a8a40bf6f66c3f6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915fdeaad9afb8908e0620430210cfad506499607f31283a8a40bf6f66c3f6d2", kill_on_drop: false }`
[INFO] [stdout] 915fdeaad9afb8908e0620430210cfad506499607f31283a8a40bf6f66c3f6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b30d32c4e80f194610a2c7d842c733870ad9172f0f8dc03b8e0196b56b435b96
[INFO] running `Command { std: "docker" "start" "-a" "b30d32c4e80f194610a2c7d842c733870ad9172f0f8dc03b8e0196b56b435b96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffman_encoding-07f05e5fd242a875)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_encode_decode_i32 ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_encode_decode_string ... 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] [stderr]    Doc-tests huffman-encoding
[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" "b30d32c4e80f194610a2c7d842c733870ad9172f0f8dc03b8e0196b56b435b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30d32c4e80f194610a2c7d842c733870ad9172f0f8dc03b8e0196b56b435b96", kill_on_drop: false }`
[INFO] [stdout] b30d32c4e80f194610a2c7d842c733870ad9172f0f8dc03b8e0196b56b435b96