[INFO] fetching crate buldak 0.27.1...
[INFO] testing buldak-0.27.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate buldak 0.27.1 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate buldak 0.27.1 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 buldak 0.27.1
[INFO] finished tweaking crates.io crate buldak 0.27.1
[INFO] tweaked toml for crates.io crate buldak 0.27.1 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate buldak 0.27.1 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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 82cf5bebb49b39abfdfb5c3c00ef332ea98528240847d8f56c46de624f203626
[INFO] running `Command { std: "docker" "start" "-a" "82cf5bebb49b39abfdfb5c3c00ef332ea98528240847d8f56c46de624f203626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82cf5bebb49b39abfdfb5c3c00ef332ea98528240847d8f56c46de624f203626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cf5bebb49b39abfdfb5c3c00ef332ea98528240847d8f56c46de624f203626", kill_on_drop: false }`
[INFO] [stdout] 82cf5bebb49b39abfdfb5c3c00ef332ea98528240847d8f56c46de624f203626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] ac53b0afbef85cfc38caccab5eeb428e557a414877ff7fa2dbc153b11e600494
[INFO] running `Command { std: "docker" "start" "-a" "ac53b0afbef85cfc38caccab5eeb428e557a414877ff7fa2dbc153b11e600494", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling buldak v0.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "ac53b0afbef85cfc38caccab5eeb428e557a414877ff7fa2dbc153b11e600494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac53b0afbef85cfc38caccab5eeb428e557a414877ff7fa2dbc153b11e600494", kill_on_drop: false }`
[INFO] [stdout] ac53b0afbef85cfc38caccab5eeb428e557a414877ff7fa2dbc153b11e600494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] e31fb59676e49ef51cab1ed7e5cd7f8a08ab6c702cf0688fba96d9f2c7b9d8e1
[INFO] running `Command { std: "docker" "start" "-a" "e31fb59676e49ef51cab1ed7e5cd7f8a08ab6c702cf0688fba96d9f2c7b9d8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling buldak v0.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "e31fb59676e49ef51cab1ed7e5cd7f8a08ab6c702cf0688fba96d9f2c7b9d8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31fb59676e49ef51cab1ed7e5cd7f8a08ab6c702cf0688fba96d9f2c7b9d8e1", kill_on_drop: false }`
[INFO] [stdout] e31fb59676e49ef51cab1ed7e5cd7f8a08ab6c702cf0688fba96d9f2c7b9d8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] c2f661a0f53e01695524c09476f5d7e0f2911e7f54ac535717e4ef7a4d7dacfd
[INFO] running `Command { std: "docker" "start" "-a" "c2f661a0f53e01695524c09476f5d7e0f2911e7f54ac535717e4ef7a4d7dacfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buldak-15fcdeaaa0cfc2b3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buldak
[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 72 tests
[INFO] [stdout] test src/lib/sleep.rs - sleep::sort (line 8) ... FAILED
[INFO] [stdout] test src/lib/sleep.rs - sleep::sort_reverse (line 27) ... FAILED
[INFO] [stdout] test src/lib/gravity.rs - gravity::sort_reverse (line 32) ... FAILED
[INFO] [stdout] test src/lib/merge.rs - merge::sort_reverse (line 24) ... FAILED
[INFO] [stdout] test src/lib/tim.rs - tim::sort_by (line 45) ... FAILED
[INFO] [stdout] test src/lib/smart_bubble.rs - smart_bubble::sort_by (line 45) ... FAILED
[INFO] [stdout] test src/lib/radix.rs - radix::sort_reverse (line 32) ... FAILED
[INFO] [stdout] test src/lib/merge.rs - merge::sort_by (line 41) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name buldak --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern buldak=/opt/rustwide/target/debug/deps/libbuldak-56131c8871e0b161.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d1c170c8700426f6.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c2f661a0f53e01695524c09476f5d7e0f2911e7f54ac535717e4ef7a4d7dacfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f661a0f53e01695524c09476f5d7e0f2911e7f54ac535717e4ef7a4d7dacfd", kill_on_drop: false }`
[INFO] [stdout] c2f661a0f53e01695524c09476f5d7e0f2911e7f54ac535717e4ef7a4d7dacfd