[INFO] fetching crate ste 0.1.0-alpha.11...
[INFO] testing ste-0.1.0-alpha.11 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate ste 0.1.0-alpha.11 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ste 0.1.0-alpha.11 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ste 0.1.0-alpha.11
[INFO] finished tweaking crates.io crate ste 0.1.0-alpha.11
[INFO] tweaked toml for crates.io crate ste 0.1.0-alpha.11 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ste 0.1.0-alpha.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 195df5e6fe83f25d333633f48f3369a5c8b13d01f8aa970a8f7c2cf3da5bf24a
[INFO] running `Command { std: "docker" "start" "-a" "195df5e6fe83f25d333633f48f3369a5c8b13d01f8aa970a8f7c2cf3da5bf24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195df5e6fe83f25d333633f48f3369a5c8b13d01f8aa970a8f7c2cf3da5bf24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195df5e6fe83f25d333633f48f3369a5c8b13d01f8aa970a8f7c2cf3da5bf24a", kill_on_drop: false }`
[INFO] [stdout] 195df5e6fe83f25d333633f48f3369a5c8b13d01f8aa970a8f7c2cf3da5bf24a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 556a217f378fdb8895e8708b5241f5c7681fd9b0442b18a4f87b7a294c8ebe9f
[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" "556a217f378fdb8895e8708b5241f5c7681fd9b0442b18a4f87b7a294c8ebe9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling ste v0.1.0-alpha.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "556a217f378fdb8895e8708b5241f5c7681fd9b0442b18a4f87b7a294c8ebe9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556a217f378fdb8895e8708b5241f5c7681fd9b0442b18a4f87b7a294c8ebe9f", kill_on_drop: false }`
[INFO] [stdout] 556a217f378fdb8895e8708b5241f5c7681fd9b0442b18a4f87b7a294c8ebe9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8622ecf53008fb17e485ab428dd187a2565b844aa86c6e32bb72dc3993ba6a9
[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" "f8622ecf53008fb17e485ab428dd187a2565b844aa86c6e32bb72dc3993ba6a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling ste v0.1.0-alpha.11 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "f8622ecf53008fb17e485ab428dd187a2565b844aa86c6e32bb72dc3993ba6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8622ecf53008fb17e485ab428dd187a2565b844aa86c6e32bb72dc3993ba6a9", kill_on_drop: false }`
[INFO] [stdout] f8622ecf53008fb17e485ab428dd187a2565b844aa86c6e32bb72dc3993ba6a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ddfd22aa6b2b6393ea0e52208dfbc622824a46958809f9027339c5c9e5349fa
[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" "6ddfd22aa6b2b6393ea0e52208dfbc622824a46958809f9027339c5c9e5349fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ste-e6b226d1042a0806)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_threading ... ok
[INFO] [stdout] test tests::test_recover_from_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ste
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList<T>::is_empty (line 45) ... ok
[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 ste --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-cecfca1474748564.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-06bf787e71afb6e1.rlib --extern ste=/opt/rustwide/target/debug/deps/libste-f1d9a473f0b0e36a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0762542094994b44.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="tokio"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6ddfd22aa6b2b6393ea0e52208dfbc622824a46958809f9027339c5c9e5349fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddfd22aa6b2b6393ea0e52208dfbc622824a46958809f9027339c5c9e5349fa", kill_on_drop: false }`
[INFO] [stdout] 6ddfd22aa6b2b6393ea0e52208dfbc622824a46958809f9027339c5c9e5349fa