[INFO] fetching crate via 0.0.1...
[INFO] testing via-0.0.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate via 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate via 0.0.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate via 0.0.1
[INFO] finished tweaking crates.io crate via 0.0.1
[INFO] tweaked toml for crates.io crate via 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate via 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e5c8209d789d292e01ed69473732466cc1f7fd024ff86a07c9e320c4c99590
[INFO] running `Command { std: "docker" "start" "-a" "f4e5c8209d789d292e01ed69473732466cc1f7fd024ff86a07c9e320c4c99590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e5c8209d789d292e01ed69473732466cc1f7fd024ff86a07c9e320c4c99590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e5c8209d789d292e01ed69473732466cc1f7fd024ff86a07c9e320c4c99590", kill_on_drop: false }`
[INFO] [stdout] f4e5c8209d789d292e01ed69473732466cc1f7fd024ff86a07c9e320c4c99590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773f44ffde3402236c6382a78e6ac4731b92e2b84bae243ac67b362c0ba4e652
[INFO] running `Command { std: "docker" "start" "-a" "773f44ffde3402236c6382a78e6ac4731b92e2b84bae243ac67b362c0ba4e652", kill_on_drop: false }`
[INFO] [stderr]    Compiling via v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "773f44ffde3402236c6382a78e6ac4731b92e2b84bae243ac67b362c0ba4e652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773f44ffde3402236c6382a78e6ac4731b92e2b84bae243ac67b362c0ba4e652", kill_on_drop: false }`
[INFO] [stdout] 773f44ffde3402236c6382a78e6ac4731b92e2b84bae243ac67b362c0ba4e652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed4c9ecd2afc0af14eee9448054a5882a7021f77c98a4c28807b7ea2d514234
[INFO] running `Command { std: "docker" "start" "-a" "8ed4c9ecd2afc0af14eee9448054a5882a7021f77c98a4c28807b7ea2d514234", kill_on_drop: false }`
[INFO] [stderr]    Compiling via v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8ed4c9ecd2afc0af14eee9448054a5882a7021f77c98a4c28807b7ea2d514234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed4c9ecd2afc0af14eee9448054a5882a7021f77c98a4c28807b7ea2d514234", kill_on_drop: false }`
[INFO] [stdout] 8ed4c9ecd2afc0af14eee9448054a5882a7021f77c98a4c28807b7ea2d514234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 115faa7a2f9f29d881ac2abbd029d58d40ae8c783dc7dd41571e49027cd31381
[INFO] running `Command { std: "docker" "start" "-a" "115faa7a2f9f29d881ac2abbd029d58d40ae8c783dc7dd41571e49027cd31381", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/via-ba4d1f178c8358f9)
[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" "115faa7a2f9f29d881ac2abbd029d58d40ae8c783dc7dd41571e49027cd31381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115faa7a2f9f29d881ac2abbd029d58d40ae8c783dc7dd41571e49027cd31381", kill_on_drop: false }`
[INFO] [stdout] 115faa7a2f9f29d881ac2abbd029d58d40ae8c783dc7dd41571e49027cd31381