[INFO] fetching crate dekker 0.1.0...
[INFO] testing dekker-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate dekker 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate dekker 0.1.0 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 dekker 0.1.0
[INFO] finished tweaking crates.io crate dekker 0.1.0
[INFO] tweaked toml for crates.io crate dekker 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate dekker 0.1.0 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] b236aef53f975348c600627bf5de3ee499d35395c3e1c30ddf1b97b10c30da0c
[INFO] running `Command { std: "docker" "start" "-a" "b236aef53f975348c600627bf5de3ee499d35395c3e1c30ddf1b97b10c30da0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b236aef53f975348c600627bf5de3ee499d35395c3e1c30ddf1b97b10c30da0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b236aef53f975348c600627bf5de3ee499d35395c3e1c30ddf1b97b10c30da0c", kill_on_drop: false }`
[INFO] [stdout] b236aef53f975348c600627bf5de3ee499d35395c3e1c30ddf1b97b10c30da0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 38bc47bfe7acf310b6bab834451ecd075ed2fb062f8cd47b9a695aeb0becc207
[INFO] running `Command { std: "docker" "start" "-a" "38bc47bfe7acf310b6bab834451ecd075ed2fb062f8cd47b9a695aeb0becc207", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "38bc47bfe7acf310b6bab834451ecd075ed2fb062f8cd47b9a695aeb0becc207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bc47bfe7acf310b6bab834451ecd075ed2fb062f8cd47b9a695aeb0becc207", kill_on_drop: false }`
[INFO] [stdout] 38bc47bfe7acf310b6bab834451ecd075ed2fb062f8cd47b9a695aeb0becc207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 16a2dcfa9b4731b1d27873206da29b493633be6b2422560b5dd40e38bcafe5d8
[INFO] running `Command { std: "docker" "start" "-a" "16a2dcfa9b4731b1d27873206da29b493633be6b2422560b5dd40e38bcafe5d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "16a2dcfa9b4731b1d27873206da29b493633be6b2422560b5dd40e38bcafe5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a2dcfa9b4731b1d27873206da29b493633be6b2422560b5dd40e38bcafe5d8", kill_on_drop: false }`
[INFO] [stdout] 16a2dcfa9b4731b1d27873206da29b493633be6b2422560b5dd40e38bcafe5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 62aefe3ea60859481d10a59e7dc42459fbfef66de8b0d7ee01b33681bcfc843e
[INFO] running `Command { std: "docker" "start" "-a" "62aefe3ea60859481d10a59e7dc42459fbfef66de8b0d7ee01b33681bcfc843e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dekker-da51bcdd58a63f89)
[INFO] [stdout] 
[INFO] [stdout] running 2 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/dekker-da51bcdd58a63f89` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "62aefe3ea60859481d10a59e7dc42459fbfef66de8b0d7ee01b33681bcfc843e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62aefe3ea60859481d10a59e7dc42459fbfef66de8b0d7ee01b33681bcfc843e", kill_on_drop: false }`
[INFO] [stdout] 62aefe3ea60859481d10a59e7dc42459fbfef66de8b0d7ee01b33681bcfc843e