[INFO] fetching crate rockstar 0.0.1-alpha...
[INFO] testing rockstar-0.0.1-alpha against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rockstar 0.0.1-alpha into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rockstar 0.0.1-alpha
[INFO] finished tweaking crates.io crate rockstar 0.0.1-alpha
[INFO] tweaked toml for crates.io crate rockstar 0.0.1-alpha written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rockstar 0.0.1-alpha 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 rockstar 0.0.1-alpha 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] [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a9b42e8645b7ed2e052412b477c64ef7a52aca08bc9551bb669bb7fbd042d902
[INFO] running `Command { std: "docker" "start" "-a" "a9b42e8645b7ed2e052412b477c64ef7a52aca08bc9551bb669bb7fbd042d902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b42e8645b7ed2e052412b477c64ef7a52aca08bc9551bb669bb7fbd042d902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b42e8645b7ed2e052412b477c64ef7a52aca08bc9551bb669bb7fbd042d902", kill_on_drop: false }`
[INFO] [stdout] a9b42e8645b7ed2e052412b477c64ef7a52aca08bc9551bb669bb7fbd042d902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aee08aa6a2c2ea543ffc60e5382a07f049a602afc297ec2bbba42af54f68663c
[INFO] running `Command { std: "docker" "start" "-a" "aee08aa6a2c2ea543ffc60e5382a07f049a602afc297ec2bbba42af54f68663c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rockstar v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "aee08aa6a2c2ea543ffc60e5382a07f049a602afc297ec2bbba42af54f68663c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee08aa6a2c2ea543ffc60e5382a07f049a602afc297ec2bbba42af54f68663c", kill_on_drop: false }`
[INFO] [stdout] aee08aa6a2c2ea543ffc60e5382a07f049a602afc297ec2bbba42af54f68663c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 795af66155972828a3e4014c5270373133a60a8a715f3f17e689dbc31a53e027
[INFO] running `Command { std: "docker" "start" "-a" "795af66155972828a3e4014c5270373133a60a8a715f3f17e689dbc31a53e027", kill_on_drop: false }`
[INFO] [stderr]    Compiling rockstar v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "795af66155972828a3e4014c5270373133a60a8a715f3f17e689dbc31a53e027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795af66155972828a3e4014c5270373133a60a8a715f3f17e689dbc31a53e027", kill_on_drop: false }`
[INFO] [stdout] 795af66155972828a3e4014c5270373133a60a8a715f3f17e689dbc31a53e027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1f0c1e8a5a1f84a151da02d63d850ccd569f1d2e676a75f99e443bc27bfdb416
[INFO] running `Command { std: "docker" "start" "-a" "1f0c1e8a5a1f84a151da02d63d850ccd569f1d2e676a75f99e443bc27bfdb416", 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/rockstar-37c3fe8757235405)
[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" "1f0c1e8a5a1f84a151da02d63d850ccd569f1d2e676a75f99e443bc27bfdb416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0c1e8a5a1f84a151da02d63d850ccd569f1d2e676a75f99e443bc27bfdb416", kill_on_drop: false }`
[INFO] [stdout] 1f0c1e8a5a1f84a151da02d63d850ccd569f1d2e676a75f99e443bc27bfdb416