[INFO] fetching crate str-queue 0.0.1...
[INFO] testing str-queue-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate str-queue 0.0.1 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate str-queue 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate str-queue 0.0.1
[INFO] finished tweaking crates.io crate str-queue 0.0.1
[INFO] tweaked toml for crates.io crate str-queue 0.0.1 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41ee8f09c0d9529859a0931b934607c7315b8aa27f68401e685051c1c1c28156
[INFO] running `Command { std: "docker" "start" "-a" "41ee8f09c0d9529859a0931b934607c7315b8aa27f68401e685051c1c1c28156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ee8f09c0d9529859a0931b934607c7315b8aa27f68401e685051c1c1c28156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ee8f09c0d9529859a0931b934607c7315b8aa27f68401e685051c1c1c28156", kill_on_drop: false }`
[INFO] [stdout] 41ee8f09c0d9529859a0931b934607c7315b8aa27f68401e685051c1c1c28156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cde6da3ddec7e92b3b40f2299f9441f45c3c8d62236395793766dec4f3bb282
[INFO] running `Command { std: "docker" "start" "-a" "6cde6da3ddec7e92b3b40f2299f9441f45c3c8d62236395793766dec4f3bb282", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "6cde6da3ddec7e92b3b40f2299f9441f45c3c8d62236395793766dec4f3bb282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cde6da3ddec7e92b3b40f2299f9441f45c3c8d62236395793766dec4f3bb282", kill_on_drop: false }`
[INFO] [stdout] 6cde6da3ddec7e92b3b40f2299f9441f45c3c8d62236395793766dec4f3bb282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe4e73b17a6496921500ddafa09b2718bee02b2cccb606e97e20d5542765cfa
[INFO] running `Command { std: "docker" "start" "-a" "4fe4e73b17a6496921500ddafa09b2718bee02b2cccb606e97e20d5542765cfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4fe4e73b17a6496921500ddafa09b2718bee02b2cccb606e97e20d5542765cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe4e73b17a6496921500ddafa09b2718bee02b2cccb606e97e20d5542765cfa", kill_on_drop: false }`
[INFO] [stdout] 4fe4e73b17a6496921500ddafa09b2718bee02b2cccb606e97e20d5542765cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c535d01dd4dbbb2ac4ca06ef2a1d1795f0e64951cc6b03caa62738f86d4f08a7
[INFO] running `Command { std: "docker" "start" "-a" "c535d01dd4dbbb2ac4ca06ef2a1d1795f0e64951cc6b03caa62738f86d4f08a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str_queue-a30a9057515393ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iter::chars::tests::consistency_with_std_from_utf8_lossy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str-queue
[INFO] [stdout] 
[INFO] [stdout] running 78 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 str_queue --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern str_queue=/opt/rustwide/target/debug/deps/libstr_queue-4d00052e3a8c4814.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c535d01dd4dbbb2ac4ca06ef2a1d1795f0e64951cc6b03caa62738f86d4f08a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c535d01dd4dbbb2ac4ca06ef2a1d1795f0e64951cc6b03caa62738f86d4f08a7", kill_on_drop: false }`
[INFO] [stdout] c535d01dd4dbbb2ac4ca06ef2a1d1795f0e64951cc6b03caa62738f86d4f08a7