[INFO] fetching crate mecha 0.1.0...
[INFO] testing mecha-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate mecha 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mecha 0.1.0
[INFO] finished tweaking crates.io crate mecha 0.1.0
[INFO] tweaked toml for crates.io crate mecha 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mecha 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 mecha 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 31d135fb8d16d079a583a1bed211ae0bbf32ad560e3c271ff2d4a793c3aa3c14
[INFO] running `Command { std: "docker" "start" "-a" "31d135fb8d16d079a583a1bed211ae0bbf32ad560e3c271ff2d4a793c3aa3c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d135fb8d16d079a583a1bed211ae0bbf32ad560e3c271ff2d4a793c3aa3c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d135fb8d16d079a583a1bed211ae0bbf32ad560e3c271ff2d4a793c3aa3c14", kill_on_drop: false }`
[INFO] [stdout] 31d135fb8d16d079a583a1bed211ae0bbf32ad560e3c271ff2d4a793c3aa3c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1deeb0f591c0c3125bf8c68f028421b802ea945951b1fbbb7e7fcaa5f8099b3c
[INFO] running `Command { std: "docker" "start" "-a" "1deeb0f591c0c3125bf8c68f028421b802ea945951b1fbbb7e7fcaa5f8099b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mecha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1deeb0f591c0c3125bf8c68f028421b802ea945951b1fbbb7e7fcaa5f8099b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1deeb0f591c0c3125bf8c68f028421b802ea945951b1fbbb7e7fcaa5f8099b3c", kill_on_drop: false }`
[INFO] [stdout] 1deeb0f591c0c3125bf8c68f028421b802ea945951b1fbbb7e7fcaa5f8099b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 969cf14d6f22db68fbd204f4ea2d5d2540f568c79c6b091d09b8c1683f6d35e2
[INFO] running `Command { std: "docker" "start" "-a" "969cf14d6f22db68fbd204f4ea2d5d2540f568c79c6b091d09b8c1683f6d35e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mecha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "969cf14d6f22db68fbd204f4ea2d5d2540f568c79c6b091d09b8c1683f6d35e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969cf14d6f22db68fbd204f4ea2d5d2540f568c79c6b091d09b8c1683f6d35e2", kill_on_drop: false }`
[INFO] [stdout] 969cf14d6f22db68fbd204f4ea2d5d2540f568c79c6b091d09b8c1683f6d35e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dcd307ae5687de2f7551dd0ac8f4b6e4cf5866a170484414d395a9d81119a171
[INFO] running `Command { std: "docker" "start" "-a" "dcd307ae5687de2f7551dd0ac8f4b6e4cf5866a170484414d395a9d81119a171", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mecha-d89f9c63dee0053d)
[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" "dcd307ae5687de2f7551dd0ac8f4b6e4cf5866a170484414d395a9d81119a171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd307ae5687de2f7551dd0ac8f4b6e4cf5866a170484414d395a9d81119a171", kill_on_drop: false }`
[INFO] [stdout] dcd307ae5687de2f7551dd0ac8f4b6e4cf5866a170484414d395a9d81119a171