[INFO] fetching crate compress 0.2.1...
[INFO] testing compress-0.2.1 against 1.55.0 for beta-1.56-2
[INFO] extracting crate compress 0.2.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate compress 0.2.1 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 compress 0.2.1
[INFO] finished tweaking crates.io crate compress 0.2.1
[INFO] tweaked toml for crates.io crate compress 0.2.1 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate compress 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 478c580a3c761caeac4d3da7c4ee8baa5adc0741d2919e9a192b12698c7ac56b
[INFO] running `Command { std: "docker" "start" "-a" "478c580a3c761caeac4d3da7c4ee8baa5adc0741d2919e9a192b12698c7ac56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478c580a3c761caeac4d3da7c4ee8baa5adc0741d2919e9a192b12698c7ac56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478c580a3c761caeac4d3da7c4ee8baa5adc0741d2919e9a192b12698c7ac56b", kill_on_drop: false }`
[INFO] [stdout] 478c580a3c761caeac4d3da7c4ee8baa5adc0741d2919e9a192b12698c7ac56b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] f6e70cec560ae05003e4ad83d1a0b0b7f403ad5861582cebac100f1d09ecd87a
[INFO] running `Command { std: "docker" "start" "-a" "f6e70cec560ae05003e4ad83d1a0b0b7f403ad5861582cebac100f1d09ecd87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling compress v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.07s
[INFO] running `Command { std: "docker" "inspect" "f6e70cec560ae05003e4ad83d1a0b0b7f403ad5861582cebac100f1d09ecd87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e70cec560ae05003e4ad83d1a0b0b7f403ad5861582cebac100f1d09ecd87a", kill_on_drop: false }`
[INFO] [stdout] f6e70cec560ae05003e4ad83d1a0b0b7f403ad5861582cebac100f1d09ecd87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] c2f1c0f30de14487e851c19e7534ae36a4419813a0c2eec63bf9b2e97d6843a4
[INFO] running `Command { std: "docker" "start" "-a" "c2f1c0f30de14487e851c19e7534ae36a4419813a0c2eec63bf9b2e97d6843a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling compress v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "c2f1c0f30de14487e851c19e7534ae36a4419813a0c2eec63bf9b2e97d6843a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f1c0f30de14487e851c19e7534ae36a4419813a0c2eec63bf9b2e97d6843a4", kill_on_drop: false }`
[INFO] [stdout] c2f1c0f30de14487e851c19e7534ae36a4419813a0c2eec63bf9b2e97d6843a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] [stdout] 92cd6679324f525578cf900fbc19733af15c811819746b7abe19ef23daae10dd
[INFO] running `Command { std: "docker" "start" "-a" "92cd6679324f525578cf900fbc19733af15c811819746b7abe19ef23daae10dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compress-88ef452f7025fac0)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test bwt::test::decode_minimal ... ok
[INFO] [stdout] test entropy::ari::test::roundtrips_apm ... ok
[INFO] [stdout] test lz4::test::random_byte_lengths ... ok
[INFO] [stdout] test bwt::mtf::test::some_roundtrips ... ok
[INFO] [stdout] test entropy::ari::test::roundtrips_term ... ok
[INFO] [stdout] test lz4::test::one_byte_at_a_time ... ok
[INFO] [stdout] test bwt::test::some_roundtrips ... ok
[INFO] [stdout] test rle::test::long_run_decoding ... ok
[INFO] [stdout] test lz4::test::decode ... ok
[INFO] [stdout] test flate::test::one_byte_at_a_time ... ok
[INFO] [stdout] test bwt::dc::test::roundtrips_context ... ok
[INFO] [stdout] test flate::test::random_byte_lengths ... ok
[INFO] [stdout] test lz4::test::some_roundtrips ... ok
[INFO] [stdout] test bwt::dc::test::roundtrips ... ok
[INFO] [stdout] test entropy::ari::test::roundtrips_binary ... ok
[INFO] [stdout] test entropy::ari::test::roundtrips_proxy ... ok
[INFO] [stdout] test rle::test::simple_decoding ... ok
[INFO] [stdout] test rle::test::simple_encoding ... ok
[INFO] [stdout] test rle::test::long_run_encoding ... ok
[INFO] [stdout] test entropy::ari::test::roundtrips ... ok
[INFO] [stdout] test flate::test::decode ... ok
[INFO] [stdout] test test::byteorder_err_to_io_with_not_eof ... ok
[INFO] [stdout] test test::byteorder_err_to_io_with_eof ... ok
[INFO] [stdout] test zlib::test::one_byte_at_a_time ... ok
[INFO] [stdout] test zlib::test::random_byte_lengths ... ok
[INFO] [stdout] test lz4::test::raw_encode_block ... ok
[INFO] [stdout] test zlib::test::decode ... ok
[INFO] [stdout] test rle::test::random_roundtrips ... ok
[INFO] [stdout] test zlib::test::large ... ok
[INFO] [stdout] test flate::test::large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.25s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compress-ed76cb41efdb3191)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests compress
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/flate.rs - flate (line 8) ... ignored
[INFO] [stdout] test src/lz4.rs - lz4 (line 9) ... ignored
[INFO] [stdout] test src/zlib.rs - zlib (line 8) ... ignored
[INFO] [stdout] test src/checksum/adler.rs - checksum::adler (line 8) ... ok
[INFO] [stdout] test src/bwt/dc.rs - bwt::dc (line 10) ... ok
[INFO] [stdout] test src/rle.rs - rle (line 14) ... ok
[INFO] [stdout] test src/bwt/mod.rs - bwt (line 24) ... ok
[INFO] [stdout] test src/entropy/ari/mod.rs - entropy::ari (line 10) ... ok
[INFO] [stdout] test src/bwt/mtf.rs - bwt::mtf (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92cd6679324f525578cf900fbc19733af15c811819746b7abe19ef23daae10dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cd6679324f525578cf900fbc19733af15c811819746b7abe19ef23daae10dd", kill_on_drop: false }`
[INFO] [stdout] 92cd6679324f525578cf900fbc19733af15c811819746b7abe19ef23daae10dd