[INFO] fetching crate huff-tree-tap 0.0.2...
[INFO] testing huff-tree-tap-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate huff-tree-tap 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate huff-tree-tap 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huff-tree-tap 0.0.2
[INFO] finished tweaking crates.io crate huff-tree-tap 0.0.2
[INFO] tweaked toml for crates.io crate huff-tree-tap 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 530440b421d0cf0c82f1a3bb0e6eca532394aa01caf36bb332c2f884253b8245
[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" "530440b421d0cf0c82f1a3bb0e6eca532394aa01caf36bb332c2f884253b8245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530440b421d0cf0c82f1a3bb0e6eca532394aa01caf36bb332c2f884253b8245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530440b421d0cf0c82f1a3bb0e6eca532394aa01caf36bb332c2f884253b8245", kill_on_drop: false }`
[INFO] [stdout] 530440b421d0cf0c82f1a3bb0e6eca532394aa01caf36bb332c2f884253b8245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12bffdd6e432b5264facca425e55d05e1554edf77655c3364e4bc936084b7128
[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" "12bffdd6e432b5264facca425e55d05e1554edf77655c3364e4bc936084b7128", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff-tree-tap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "12bffdd6e432b5264facca425e55d05e1554edf77655c3364e4bc936084b7128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bffdd6e432b5264facca425e55d05e1554edf77655c3364e4bc936084b7128", kill_on_drop: false }`
[INFO] [stdout] 12bffdd6e432b5264facca425e55d05e1554edf77655c3364e4bc936084b7128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e389450595f11a2e48304f0b0e0a2c6d43b04dda718b8a5cb06d509e00404da6
[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" "e389450595f11a2e48304f0b0e0a2c6d43b04dda718b8a5cb06d509e00404da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff-tree-tap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "e389450595f11a2e48304f0b0e0a2c6d43b04dda718b8a5cb06d509e00404da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e389450595f11a2e48304f0b0e0a2c6d43b04dda718b8a5cb06d509e00404da6", kill_on_drop: false }`
[INFO] [stdout] e389450595f11a2e48304f0b0e0a2c6d43b04dda718b8a5cb06d509e00404da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4e8c988512202d8e3f39a48ed787cde1d96d14bc44aff8c69b5835c7385e0fce
[INFO] running `Command { std: "docker" "start" "-a" "4e8c988512202d8e3f39a48ed787cde1d96d14bc44aff8c69b5835c7385e0fce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huff_tree_tap-51e5fae121fc3f05)
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-46e48573e54ab674)
[INFO] [stdout] test tests::test_bin_string_to_u8_vec ... ok
[INFO] [stdout] test tests::test_build_frequency_map ... ok
[INFO] [stdout] test tests::test_huffman_decode_bin_string ... ok
[INFO] [stdout] test tests::test_unpad_encoded_data ... ok
[INFO] [stdout] test tests::test_huffman_encode_string ... ok
[INFO] [stdout] test tests::test_u8_vec_to_bin_string ... ok
[INFO] [stdout] test tests::test_invert_encoding_map ... ok
[INFO] [stdout] test tests::test_build_huffman_tree_build_encoding_map ... ok
[INFO] [stdout] test tests::test_pad_encoded_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_huffman_encode ... ok
[INFO] [stderr]    Doc-tests huff-tree-tap
[INFO] [stdout] test test_huffman_decode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "4e8c988512202d8e3f39a48ed787cde1d96d14bc44aff8c69b5835c7385e0fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8c988512202d8e3f39a48ed787cde1d96d14bc44aff8c69b5835c7385e0fce", kill_on_drop: false }`
[INFO] [stdout] 4e8c988512202d8e3f39a48ed787cde1d96d14bc44aff8c69b5835c7385e0fce