[INFO] fetching crate scottqueue 0.1.0...
[INFO] testing scottqueue-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate scottqueue 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate scottqueue 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scottqueue 0.1.0
[INFO] finished tweaking crates.io crate scottqueue 0.1.0
[INFO] tweaked toml for crates.io crate scottqueue 0.1.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1ab01f1752533393640ba09f74fc0f79dbcf98f72c6ebf0971d49b1d287344
[INFO] running `Command { std: "docker" "start" "-a" "6b1ab01f1752533393640ba09f74fc0f79dbcf98f72c6ebf0971d49b1d287344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1ab01f1752533393640ba09f74fc0f79dbcf98f72c6ebf0971d49b1d287344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1ab01f1752533393640ba09f74fc0f79dbcf98f72c6ebf0971d49b1d287344", kill_on_drop: false }`
[INFO] [stdout] 6b1ab01f1752533393640ba09f74fc0f79dbcf98f72c6ebf0971d49b1d287344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 858edf079970c64fdd81980c2b24559eed8d217e2f4d4feed31b4319e5b0a17d
[INFO] running `Command { std: "docker" "start" "-a" "858edf079970c64fdd81980c2b24559eed8d217e2f4d4feed31b4319e5b0a17d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scottqueue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "858edf079970c64fdd81980c2b24559eed8d217e2f4d4feed31b4319e5b0a17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858edf079970c64fdd81980c2b24559eed8d217e2f4d4feed31b4319e5b0a17d", kill_on_drop: false }`
[INFO] [stdout] 858edf079970c64fdd81980c2b24559eed8d217e2f4d4feed31b4319e5b0a17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473f3876424367cb4db429e5b36dd885acd59be4c3affef020ff3ed7b17da7e3
[INFO] running `Command { std: "docker" "start" "-a" "473f3876424367cb4db429e5b36dd885acd59be4c3affef020ff3ed7b17da7e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling scottqueue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "473f3876424367cb4db429e5b36dd885acd59be4c3affef020ff3ed7b17da7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473f3876424367cb4db429e5b36dd885acd59be4c3affef020ff3ed7b17da7e3", kill_on_drop: false }`
[INFO] [stdout] 473f3876424367cb4db429e5b36dd885acd59be4c3affef020ff3ed7b17da7e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7885de21224f257d7146dede59a513557f47f3c8add50ccd7f33124e14c1ee5b
[INFO] running `Command { std: "docker" "start" "-a" "7885de21224f257d7146dede59a513557f47f3c8add50ccd7f33124e14c1ee5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scottqueue-f1643055e02869ce)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tlqueue::tests::channel_send_bench ... ok
[INFO] [stdout] test tlqueue::tests::push_bench ... ok
[INFO] [stdout] test tlqueue::tests::test_from_iterator ... ok
[INFO] [stdout] test tlqueue::tests::test_queue ... ok
[INFO] [stdout] test tlqueue::tests::test_iterator ... ok
[INFO] [stdout] test tlqueue::tests::test_single_item ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/scottqueue-f1643055e02869ce` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "7885de21224f257d7146dede59a513557f47f3c8add50ccd7f33124e14c1ee5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7885de21224f257d7146dede59a513557f47f3c8add50ccd7f33124e14c1ee5b", kill_on_drop: false }`
[INFO] [stdout] 7885de21224f257d7146dede59a513557f47f3c8add50ccd7f33124e14c1ee5b