[INFO] fetching crate felc 0.1.0...
[INFO] testing felc-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate felc 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate felc 0.1.0 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 felc 0.1.0
[INFO] finished tweaking crates.io crate felc 0.1.0
[INFO] tweaked toml for crates.io crate felc 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate felc 0.1.0 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] 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] cbe8077159d12d16b575ead6bda2e9c6db8748c4497175c04cd7c5cdab404562
[INFO] running `Command { std: "docker" "start" "-a" "cbe8077159d12d16b575ead6bda2e9c6db8748c4497175c04cd7c5cdab404562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe8077159d12d16b575ead6bda2e9c6db8748c4497175c04cd7c5cdab404562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe8077159d12d16b575ead6bda2e9c6db8748c4497175c04cd7c5cdab404562", kill_on_drop: false }`
[INFO] [stdout] cbe8077159d12d16b575ead6bda2e9c6db8748c4497175c04cd7c5cdab404562
[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] d35c1aa46459ed2b6230d495b846978fdfe835acfc6f13ac626440472193a277
[INFO] running `Command { std: "docker" "start" "-a" "d35c1aa46459ed2b6230d495b846978fdfe835acfc6f13ac626440472193a277", kill_on_drop: false }`
[INFO] [stderr]    Compiling felc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "d35c1aa46459ed2b6230d495b846978fdfe835acfc6f13ac626440472193a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c1aa46459ed2b6230d495b846978fdfe835acfc6f13ac626440472193a277", kill_on_drop: false }`
[INFO] [stdout] d35c1aa46459ed2b6230d495b846978fdfe835acfc6f13ac626440472193a277
[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] bac7cd2ecf5283bf0dae6e0cea4255f5f250013240773cfe60c9e96d9a57e1e7
[INFO] running `Command { std: "docker" "start" "-a" "bac7cd2ecf5283bf0dae6e0cea4255f5f250013240773cfe60c9e96d9a57e1e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling felc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "bac7cd2ecf5283bf0dae6e0cea4255f5f250013240773cfe60c9e96d9a57e1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac7cd2ecf5283bf0dae6e0cea4255f5f250013240773cfe60c9e96d9a57e1e7", kill_on_drop: false }`
[INFO] [stdout] bac7cd2ecf5283bf0dae6e0cea4255f5f250013240773cfe60c9e96d9a57e1e7
[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] f085981b91410105e822264641d1bab111b57edf05686db2b07b614aaa7e7aa1
[INFO] running `Command { std: "docker" "start" "-a" "f085981b91410105e822264641d1bab111b57edf05686db2b07b614aaa7e7aa1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/felc-c73659d79a2e54dd)
[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" "f085981b91410105e822264641d1bab111b57edf05686db2b07b614aaa7e7aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f085981b91410105e822264641d1bab111b57edf05686db2b07b614aaa7e7aa1", kill_on_drop: false }`
[INFO] [stdout] f085981b91410105e822264641d1bab111b57edf05686db2b07b614aaa7e7aa1