[INFO] fetching crate mikino_api 0.3.0...
[INFO] testing mikino_api-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mikino_api 0.3.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate mikino_api 0.3.0 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 mikino_api 0.3.0
[INFO] finished tweaking crates.io crate mikino_api 0.3.0
[INFO] tweaked toml for crates.io crate mikino_api 0.3.0 written to /workspace/builds/worker-107/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] d0266f390aa3e23f9ad07c808768ae6c152320dbff8919d05c948186ffeea7e9
[INFO] running `Command { std: "docker" "start" "-a" "d0266f390aa3e23f9ad07c808768ae6c152320dbff8919d05c948186ffeea7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0266f390aa3e23f9ad07c808768ae6c152320dbff8919d05c948186ffeea7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0266f390aa3e23f9ad07c808768ae6c152320dbff8919d05c948186ffeea7e9", kill_on_drop: false }`
[INFO] [stdout] d0266f390aa3e23f9ad07c808768ae6c152320dbff8919d05c948186ffeea7e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 48f8bdb61d319852ee51c6d7556cf07145ce77bcefd22a3d25f85198e6f8bd41
[INFO] running `Command { std: "docker" "start" "-a" "48f8bdb61d319852ee51c6d7556cf07145ce77bcefd22a3d25f85198e6f8bd41", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rsmt2 v0.12.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling mikino_api v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "48f8bdb61d319852ee51c6d7556cf07145ce77bcefd22a3d25f85198e6f8bd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f8bdb61d319852ee51c6d7556cf07145ce77bcefd22a3d25f85198e6f8bd41", kill_on_drop: false }`
[INFO] [stdout] 48f8bdb61d319852ee51c6d7556cf07145ce77bcefd22a3d25f85198e6f8bd41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 66d58b4aef314aa0af091b28712fde845f3ddc83c046fd8f106c1933d4b51d6e
[INFO] running `Command { std: "docker" "start" "-a" "66d58b4aef314aa0af091b28712fde845f3ddc83c046fd8f106c1933d4b51d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mikino_api v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "66d58b4aef314aa0af091b28712fde845f3ddc83c046fd8f106c1933d4b51d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d58b4aef314aa0af091b28712fde845f3ddc83c046fd8f106c1933d4b51d6e", kill_on_drop: false }`
[INFO] [stdout] 66d58b4aef314aa0af091b28712fde845f3ddc83c046fd8f106c1933d4b51d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 5500c6e4e1d8615bbc80fd3a14d9328d4185eaa041233d7ceccd53802a0b1e84
[INFO] running `Command { std: "docker" "start" "-a" "5500c6e4e1d8615bbc80fd3a14d9328d4185eaa041233d7ceccd53802a0b1e84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mikino_api-3e0ee3ec291ccd83)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mikino_api
[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 28 tests
[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 mikino_api --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-083008e169bc9026.rlib --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-6eea33ab27a59ded.rlib --extern mikino_api=/opt/rustwide/target/debug/deps/libmikino_api-adb34411d78e0012.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-1f27d7e81dd40434.rlib --extern rsmt2=/opt/rustwide/target/debug/deps/librsmt2-f0f04c3f3731c0f0.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5500c6e4e1d8615bbc80fd3a14d9328d4185eaa041233d7ceccd53802a0b1e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5500c6e4e1d8615bbc80fd3a14d9328d4185eaa041233d7ceccd53802a0b1e84", kill_on_drop: false }`
[INFO] [stdout] 5500c6e4e1d8615bbc80fd3a14d9328d4185eaa041233d7ceccd53802a0b1e84