[INFO] fetching crate q_compress 0.2.3...
[INFO] testing q_compress-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate q_compress 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate q_compress 0.2.3 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 q_compress 0.2.3
[INFO] finished tweaking crates.io crate q_compress 0.2.3
[INFO] tweaked toml for crates.io crate q_compress 0.2.3 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b8dcfe12b27f6db57472239c781ee9fd9a28ed99bf8b487528cc5f856af3204
[INFO] running `Command { std: "docker" "start" "-a" "6b8dcfe12b27f6db57472239c781ee9fd9a28ed99bf8b487528cc5f856af3204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b8dcfe12b27f6db57472239c781ee9fd9a28ed99bf8b487528cc5f856af3204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8dcfe12b27f6db57472239c781ee9fd9a28ed99bf8b487528cc5f856af3204", kill_on_drop: false }`
[INFO] [stdout] 6b8dcfe12b27f6db57472239c781ee9fd9a28ed99bf8b487528cc5f856af3204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4965995db772bb319046d0a27df160381a8e3791a389b02d9aad731b3d7bbe7
[INFO] running `Command { std: "docker" "start" "-a" "c4965995db772bb319046d0a27df160381a8e3791a389b02d9aad731b3d7bbe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling q_compress v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c4965995db772bb319046d0a27df160381a8e3791a389b02d9aad731b3d7bbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4965995db772bb319046d0a27df160381a8e3791a389b02d9aad731b3d7bbe7", kill_on_drop: false }`
[INFO] [stdout] c4965995db772bb319046d0a27df160381a8e3791a389b02d9aad731b3d7bbe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 37318837c3105dbfc6353a6898a994a98d58487ab36f85f7a65945373d93487e
[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" "37318837c3105dbfc6353a6898a994a98d58487ab36f85f7a65945373d93487e", kill_on_drop: false }`
[INFO] [stderr]    Compiling q_compress v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "37318837c3105dbfc6353a6898a994a98d58487ab36f85f7a65945373d93487e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37318837c3105dbfc6353a6898a994a98d58487ab36f85f7a65945373d93487e", kill_on_drop: false }`
[INFO] [stdout] 37318837c3105dbfc6353a6898a994a98d58487ab36f85f7a65945373d93487e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ceefd43547d334d518c1010fd7c6b11d6e6d413f55b18f046e083fb2cef059dd
[INFO] running `Command { std: "docker" "start" "-a" "ceefd43547d334d518c1010fd7c6b11d6e6d413f55b18f046e083fb2cef059dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/q_compress-45aac8112dbe16d1)
[INFO] [stdout] running 13 tests
[INFO] [stderr]    Doc-tests q_compress
[INFO] [stdout] test bits::tests::test_avg_base2_bits ... ok
[INFO] [stdout] test bits::tests::test_depth_bits ... ok
[INFO] [stdout] test bits::tests::test_u64_to_bits ... ok
[INFO] [stdout] test bits::tests::test_bits_to_usize_truncated ... ok
[INFO] [stdout] test bits::tests::test_bits_to_bytes_to_bits ... ok
[INFO] [stdout] test bits::tests::test_usize_to_bits ... ok
[INFO] [stdout] test huffman::tests::test_make_huffman_code_single ... ok
[INFO] [stdout] test huffman::tests::test_make_huffman_code ... ok
[INFO] [stdout] test bits::tests::test_bits_to_string ... ok
[INFO] [stdout] test constants::tests::test_bits_to_encode_jumpstart ... ok
[INFO] [stdout] test bit_reader::tests::test_bit_reader ... ok
[INFO] [stdout] test constants::tests::test_bits_to_encode_n_entries ... ok
[INFO] [stdout] test constants::tests::test_bits_to_encode_prefix_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 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" "ceefd43547d334d518c1010fd7c6b11d6e6d413f55b18f046e083fb2cef059dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceefd43547d334d518c1010fd7c6b11d6e6d413f55b18f046e083fb2cef059dd", kill_on_drop: false }`
[INFO] [stdout] ceefd43547d334d518c1010fd7c6b11d6e6d413f55b18f046e083fb2cef059dd