[INFO] fetching crate dekker 0.1.0...
[INFO] testing dekker-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate dekker 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate dekker 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-42/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684bec628f5921749dfa5ede824c079e1dede769b699c26ba48d3dca347a1fe9
[INFO] running `Command { std: "docker" "start" "-a" "684bec628f5921749dfa5ede824c079e1dede769b699c26ba48d3dca347a1fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684bec628f5921749dfa5ede824c079e1dede769b699c26ba48d3dca347a1fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684bec628f5921749dfa5ede824c079e1dede769b699c26ba48d3dca347a1fe9", kill_on_drop: false }`
[INFO] [stdout] 684bec628f5921749dfa5ede824c079e1dede769b699c26ba48d3dca347a1fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1dac284e57481fa4f125b0f0d2e9b7f9bd966c3f768ed40bd1f92ec4573ae0b
[INFO] running `Command { std: "docker" "start" "-a" "f1dac284e57481fa4f125b0f0d2e9b7f9bd966c3f768ed40bd1f92ec4573ae0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f1dac284e57481fa4f125b0f0d2e9b7f9bd966c3f768ed40bd1f92ec4573ae0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1dac284e57481fa4f125b0f0d2e9b7f9bd966c3f768ed40bd1f92ec4573ae0b", kill_on_drop: false }`
[INFO] [stdout] f1dac284e57481fa4f125b0f0d2e9b7f9bd966c3f768ed40bd1f92ec4573ae0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98d91fbd02a6c8e016b8776d0a635b50c647b8841f1aac2f5ba53f1a90b068c
[INFO] running `Command { std: "docker" "start" "-a" "d98d91fbd02a6c8e016b8776d0a635b50c647b8841f1aac2f5ba53f1a90b068c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dekker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d98d91fbd02a6c8e016b8776d0a635b50c647b8841f1aac2f5ba53f1a90b068c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98d91fbd02a6c8e016b8776d0a635b50c647b8841f1aac2f5ba53f1a90b068c", kill_on_drop: false }`
[INFO] [stdout] d98d91fbd02a6c8e016b8776d0a635b50c647b8841f1aac2f5ba53f1a90b068c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35485595623a6a9f1348e5bf221aee99b2e25898a3519f04847d790139b4f8a3
[INFO] running `Command { std: "docker" "start" "-a" "35485595623a6a9f1348e5bf221aee99b2e25898a3519f04847d790139b4f8a3", 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 (/opt/rustwide/target/debug/deps/dekker-97d501e41d649117)
[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-97d501e41d649117` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "35485595623a6a9f1348e5bf221aee99b2e25898a3519f04847d790139b4f8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35485595623a6a9f1348e5bf221aee99b2e25898a3519f04847d790139b4f8a3", kill_on_drop: false }`
[INFO] [stdout] 35485595623a6a9f1348e5bf221aee99b2e25898a3519f04847d790139b4f8a3