[INFO] fetching crate dekker 0.1.0...
[INFO] testing dekker-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dekker 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dekker 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-12/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] c319f96ca04f872b1c108054378a288d3282762381d1a458772560dc893968c9
[INFO] running `Command { std: "docker" "start" "-a" "c319f96ca04f872b1c108054378a288d3282762381d1a458772560dc893968c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c319f96ca04f872b1c108054378a288d3282762381d1a458772560dc893968c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c319f96ca04f872b1c108054378a288d3282762381d1a458772560dc893968c9", kill_on_drop: false }`
[INFO] [stdout] c319f96ca04f872b1c108054378a288d3282762381d1a458772560dc893968c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 9c8df0e977f5d1db75f78d8ed0c395c30ccb603d22d179f72c348f4272e10758
[INFO] running `Command { std: "docker" "start" "-a" "9c8df0e977f5d1db75f78d8ed0c395c30ccb603d22d179f72c348f4272e10758", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "9c8df0e977f5d1db75f78d8ed0c395c30ccb603d22d179f72c348f4272e10758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8df0e977f5d1db75f78d8ed0c395c30ccb603d22d179f72c348f4272e10758", kill_on_drop: false }`
[INFO] [stdout] 9c8df0e977f5d1db75f78d8ed0c395c30ccb603d22d179f72c348f4272e10758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c6c53837f3487e04bad9047862842d865f347d6bcc2981290394b320e913049
[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" "1c6c53837f3487e04bad9047862842d865f347d6bcc2981290394b320e913049", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dekker-e60d88ff6ab2ef96)
[INFO] running `Command { std: "docker" "inspect" "1c6c53837f3487e04bad9047862842d865f347d6bcc2981290394b320e913049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6c53837f3487e04bad9047862842d865f347d6bcc2981290394b320e913049", kill_on_drop: false }`
[INFO] [stdout] 1c6c53837f3487e04bad9047862842d865f347d6bcc2981290394b320e913049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] e972933737a5ec9179c441aa9675aa0e8442f92b090ad3154e08963ffa249a58
[INFO] running `Command { std: "docker" "start" "-a" "e972933737a5ec9179c441aa9675aa0e8442f92b090ad3154e08963ffa249a58", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dekker-e60d88ff6ab2ef96)
[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-e60d88ff6ab2ef96` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "e972933737a5ec9179c441aa9675aa0e8442f92b090ad3154e08963ffa249a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e972933737a5ec9179c441aa9675aa0e8442f92b090ad3154e08963ffa249a58", kill_on_drop: false }`
[INFO] [stdout] e972933737a5ec9179c441aa9675aa0e8442f92b090ad3154e08963ffa249a58