[INFO] fetching crate ffc 0.1.0...
[INFO] testing ffc-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate ffc 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ffc 0.1.0
[INFO] finished tweaking crates.io crate ffc 0.1.0
[INFO] tweaked toml for crates.io crate ffc 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffc 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ffc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 884847d21cc2cf12f18cdb8e5927d589fea4b406b74354f6d8d24478c60e72ff
[INFO] running `Command { std: "docker" "start" "-a" "884847d21cc2cf12f18cdb8e5927d589fea4b406b74354f6d8d24478c60e72ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884847d21cc2cf12f18cdb8e5927d589fea4b406b74354f6d8d24478c60e72ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884847d21cc2cf12f18cdb8e5927d589fea4b406b74354f6d8d24478c60e72ff", kill_on_drop: false }`
[INFO] [stdout] 884847d21cc2cf12f18cdb8e5927d589fea4b406b74354f6d8d24478c60e72ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd1b395566dbe66e1735e3dd41b76479469c1f6bb786b3e44473aff36cadaa8
[INFO] running `Command { std: "docker" "start" "-a" "9bd1b395566dbe66e1735e3dd41b76479469c1f6bb786b3e44473aff36cadaa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "9bd1b395566dbe66e1735e3dd41b76479469c1f6bb786b3e44473aff36cadaa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd1b395566dbe66e1735e3dd41b76479469c1f6bb786b3e44473aff36cadaa8", kill_on_drop: false }`
[INFO] [stdout] 9bd1b395566dbe66e1735e3dd41b76479469c1f6bb786b3e44473aff36cadaa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6219442d4926ac7b21bab353e086b93e8bde1bbb73e9263cabaae6e6b6fcdf52
[INFO] running `Command { std: "docker" "start" "-a" "6219442d4926ac7b21bab353e086b93e8bde1bbb73e9263cabaae6e6b6fcdf52", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6219442d4926ac7b21bab353e086b93e8bde1bbb73e9263cabaae6e6b6fcdf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6219442d4926ac7b21bab353e086b93e8bde1bbb73e9263cabaae6e6b6fcdf52", kill_on_drop: false }`
[INFO] [stdout] 6219442d4926ac7b21bab353e086b93e8bde1bbb73e9263cabaae6e6b6fcdf52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 337f05dfbfd5ebb9fb69cb313903ff6350098b0480c2bf58d5a54f63c6571a99
[INFO] running `Command { std: "docker" "start" "-a" "337f05dfbfd5ebb9fb69cb313903ff6350098b0480c2bf58d5a54f63c6571a99", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ffc-1cc3b34dffb42fdb)
[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" "337f05dfbfd5ebb9fb69cb313903ff6350098b0480c2bf58d5a54f63c6571a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337f05dfbfd5ebb9fb69cb313903ff6350098b0480c2bf58d5a54f63c6571a99", kill_on_drop: false }`
[INFO] [stdout] 337f05dfbfd5ebb9fb69cb313903ff6350098b0480c2bf58d5a54f63c6571a99