[INFO] fetching crate vulcan 0.1.0...
[INFO] testing vulcan-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate vulcan 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate vulcan 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 vulcan 0.1.0
[INFO] finished tweaking crates.io crate vulcan 0.1.0
[INFO] tweaked toml for crates.io crate vulcan 0.1.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate crates.io crate vulcan 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06bce7b039d5a64d02f9b4565344f487b09971f2d7491bffb96c7908a304c945
[INFO] running `Command { std: "docker" "start" "-a" "06bce7b039d5a64d02f9b4565344f487b09971f2d7491bffb96c7908a304c945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bce7b039d5a64d02f9b4565344f487b09971f2d7491bffb96c7908a304c945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bce7b039d5a64d02f9b4565344f487b09971f2d7491bffb96c7908a304c945", kill_on_drop: false }`
[INFO] [stdout] 06bce7b039d5a64d02f9b4565344f487b09971f2d7491bffb96c7908a304c945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c6292f69f76ffbaf2aa6afec24757183c329df697d3913bccddf1fbafcd984c
[INFO] running `Command { std: "docker" "start" "-a" "2c6292f69f76ffbaf2aa6afec24757183c329df697d3913bccddf1fbafcd984c", kill_on_drop: false }`
[INFO] [stderr]    Compiling vulcan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2c6292f69f76ffbaf2aa6afec24757183c329df697d3913bccddf1fbafcd984c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6292f69f76ffbaf2aa6afec24757183c329df697d3913bccddf1fbafcd984c", kill_on_drop: false }`
[INFO] [stdout] 2c6292f69f76ffbaf2aa6afec24757183c329df697d3913bccddf1fbafcd984c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b2953929096060c2d5a414a603499c0ffcc272509c8ca7d76e686ce290d74dc
[INFO] running `Command { std: "docker" "start" "-a" "9b2953929096060c2d5a414a603499c0ffcc272509c8ca7d76e686ce290d74dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling vulcan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "9b2953929096060c2d5a414a603499c0ffcc272509c8ca7d76e686ce290d74dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2953929096060c2d5a414a603499c0ffcc272509c8ca7d76e686ce290d74dc", kill_on_drop: false }`
[INFO] [stdout] 9b2953929096060c2d5a414a603499c0ffcc272509c8ca7d76e686ce290d74dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77bf0df5ec53b68c422cd67d3628b3d6dcfb7a4a8bd13acc68907da0b5e99aef
[INFO] running `Command { std: "docker" "start" "-a" "77bf0df5ec53b68c422cd67d3628b3d6dcfb7a4a8bd13acc68907da0b5e99aef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vulcan-f1ea58a2e63652d0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77bf0df5ec53b68c422cd67d3628b3d6dcfb7a4a8bd13acc68907da0b5e99aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bf0df5ec53b68c422cd67d3628b3d6dcfb7a4a8bd13acc68907da0b5e99aef", kill_on_drop: false }`
[INFO] [stdout] 77bf0df5ec53b68c422cd67d3628b3d6dcfb7a4a8bd13acc68907da0b5e99aef