[INFO] fetching crate jack 0.9.0...
[INFO] testing jack-0.9.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate jack 0.9.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate jack 0.9.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jack 0.9.0
[INFO] finished tweaking crates.io crate jack 0.9.0
[INFO] tweaked toml for crates.io crate jack 0.9.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate jack 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4a7410d217aed4abe9da17bc53fd35c294747caae96331da5635d76560094e
[INFO] running `Command { std: "docker" "start" "-a" "8f4a7410d217aed4abe9da17bc53fd35c294747caae96331da5635d76560094e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4a7410d217aed4abe9da17bc53fd35c294747caae96331da5635d76560094e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4a7410d217aed4abe9da17bc53fd35c294747caae96331da5635d76560094e", kill_on_drop: false }`
[INFO] [stdout] 8f4a7410d217aed4abe9da17bc53fd35c294747caae96331da5635d76560094e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5956fbed8c24b1467d74c98295166463d57cdb5d80bdf13d92856951ad7f903
[INFO] running `Command { std: "docker" "start" "-a" "d5956fbed8c24b1467d74c98295166463d57cdb5d80bdf13d92856951ad7f903", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling jack-sys v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling dlopen v0.1.8
[INFO] [stderr]    Compiling jack v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "d5956fbed8c24b1467d74c98295166463d57cdb5d80bdf13d92856951ad7f903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5956fbed8c24b1467d74c98295166463d57cdb5d80bdf13d92856951ad7f903", kill_on_drop: false }`
[INFO] [stdout] d5956fbed8c24b1467d74c98295166463d57cdb5d80bdf13d92856951ad7f903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20645fe5ef907ec3324980e703e8c922389d2b6e759437467dc6190ff201b784
[INFO] running `Command { std: "docker" "start" "-a" "20645fe5ef907ec3324980e703e8c922389d2b6e759437467dc6190ff201b784", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling jack v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "20645fe5ef907ec3324980e703e8c922389d2b6e759437467dc6190ff201b784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20645fe5ef907ec3324980e703e8c922389d2b6e759437467dc6190ff201b784", kill_on_drop: false }`
[INFO] [stdout] 20645fe5ef907ec3324980e703e8c922389d2b6e759437467dc6190ff201b784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6b423f281e9b616ddcafbdb6b3bc89097f83f6bd1afb89118fb066571f4647e
[INFO] running `Command { std: "docker" "start" "-a" "a6b423f281e9b616ddcafbdb6b3bc89097f83f6bd1afb89118fb066571f4647e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jack-6fa5436f850fe88f)
[INFO] [stdout] 
[INFO] [stdout] running 81 tests
[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/jack-6fa5436f850fe88f` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "a6b423f281e9b616ddcafbdb6b3bc89097f83f6bd1afb89118fb066571f4647e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b423f281e9b616ddcafbdb6b3bc89097f83f6bd1afb89118fb066571f4647e", kill_on_drop: false }`
[INFO] [stdout] a6b423f281e9b616ddcafbdb6b3bc89097f83f6bd1afb89118fb066571f4647e