[INFO] fetching crate mikino_api 0.5.1...
[INFO] testing mikino_api-0.5.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mikino_api 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mikino_api 0.5.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mikino_api 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mikino_api 0.5.1
[INFO] tweaked toml for crates.io crate mikino_api 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mikino_api 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded readonly v0.2.0
[INFO] [stderr]   Downloaded num-bigint v0.4.2
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded rsmt2 v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 245ac2556f9982ab3dbba9f90a4dfe350cd6feabca20fa2db350855ed5f9f4c7
[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" "245ac2556f9982ab3dbba9f90a4dfe350cd6feabca20fa2db350855ed5f9f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "245ac2556f9982ab3dbba9f90a4dfe350cd6feabca20fa2db350855ed5f9f4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245ac2556f9982ab3dbba9f90a4dfe350cd6feabca20fa2db350855ed5f9f4c7", kill_on_drop: false }`
[INFO] [stdout] 245ac2556f9982ab3dbba9f90a4dfe350cd6feabca20fa2db350855ed5f9f4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53482c4b151885a4d00a0ee13e11bb6fecc2d17396db4e97f6a718d192d2fa9a
[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" "53482c4b151885a4d00a0ee13e11bb6fecc2d17396db4e97f6a718d192d2fa9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling readonly v0.2.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rsmt2 v0.14.0
[INFO] [stderr]    Compiling mikino_api v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.09s
[INFO] running `Command { std: "docker" "inspect" "53482c4b151885a4d00a0ee13e11bb6fecc2d17396db4e97f6a718d192d2fa9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53482c4b151885a4d00a0ee13e11bb6fecc2d17396db4e97f6a718d192d2fa9a", kill_on_drop: false }`
[INFO] [stdout] 53482c4b151885a4d00a0ee13e11bb6fecc2d17396db4e97f6a718d192d2fa9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d8b70b4fa1476de36f9d4d1d99aceaaaee876c5a6497ae3df884b5b6c2a5303
[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" "5d8b70b4fa1476de36f9d4d1d99aceaaaee876c5a6497ae3df884b5b6c2a5303", kill_on_drop: false }`
[INFO] [stderr]    Compiling mikino_api v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "5d8b70b4fa1476de36f9d4d1d99aceaaaee876c5a6497ae3df884b5b6c2a5303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8b70b4fa1476de36f9d4d1d99aceaaaee876c5a6497ae3df884b5b6c2a5303", kill_on_drop: false }`
[INFO] [stdout] 5d8b70b4fa1476de36f9d4d1d99aceaaaee876c5a6497ae3df884b5b6c2a5303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 56c5843ef6e48c66a074c919b2167569e47cc6c62404a97d7c5e40f87c7285fc
[INFO] running `Command { std: "docker" "start" "-a" "56c5843ef6e48c66a074c919b2167569e47cc6c62404a97d7c5e40f87c7285fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mikino_api-8381969748d0fcc2)
[INFO] [stdout] test expr::test::typing_implies ... ok
[INFO] [stdout] test expr::test::typing_cmp ... ok
[INFO] [stdout] test expr::test::typing_ite ... ok
[INFO] [stdout] test expr::test::typing_ite_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mikino_api
[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-e3062db716b81c8a.rlib --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-c160e7e1aa12c916.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib --extern mikino_api=/opt/rustwide/target/debug/deps/libmikino_api-f39eb66619747fc1.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-e7513b418e2fd102.rlib --extern peg=/opt/rustwide/target/debug/deps/libpeg-4ebd7cb6f28ef2e3.rlib --extern readonly=/opt/rustwide/target/debug/deps/libreadonly-cc9e533fc88af0a9.so --extern rsmt2=/opt/rustwide/target/debug/deps/librsmt2-6aefde07cddb4e20.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "56c5843ef6e48c66a074c919b2167569e47cc6c62404a97d7c5e40f87c7285fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c5843ef6e48c66a074c919b2167569e47cc6c62404a97d7c5e40f87c7285fc", kill_on_drop: false }`
[INFO] [stdout] 56c5843ef6e48c66a074c919b2167569e47cc6c62404a97d7c5e40f87c7285fc