[INFO] cloning repository https://github.com/pie-flavor/romeo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pie-flavor/romeo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fromeo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fromeo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3766ceec1360ed3365e3d836d26c23b564c73571
[INFO] testing pie-flavor/romeo against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpie-flavor%2Fromeo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pie-flavor/romeo on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pie-flavor/romeo
[INFO] finished tweaking git repo https://github.com/pie-flavor/romeo
[INFO] tweaked toml for git repo https://github.com/pie-flavor/romeo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pie-flavor/romeo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7b5f8bc2280dc511918c0c785bd1469c91eadb8ccdcce923876df91614a25c
[INFO] running `Command { std: "docker" "start" "-a" "8d7b5f8bc2280dc511918c0c785bd1469c91eadb8ccdcce923876df91614a25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7b5f8bc2280dc511918c0c785bd1469c91eadb8ccdcce923876df91614a25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7b5f8bc2280dc511918c0c785bd1469c91eadb8ccdcce923876df91614a25c", kill_on_drop: false }`
[INFO] [stdout] 8d7b5f8bc2280dc511918c0c785bd1469c91eadb8ccdcce923876df91614a25c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37b2be9c43823951dcba9cd72d549554bbd7691a4382c7e817aca54c15b3c321
[INFO] running `Command { std: "docker" "start" "-a" "37b2be9c43823951dcba9cd72d549554bbd7691a4382c7e817aca54c15b3c321", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde_json v1.0.30
[INFO] [stderr]    Compiling toml v0.4.7
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stdout] error[E0740]: unions may not contain fields that need dropping
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.5/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     inline: A,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `std::mem::ManuallyDrop` can be used to wrap the type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.5/lib.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     inline: A,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0740`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "37b2be9c43823951dcba9cd72d549554bbd7691a4382c7e817aca54c15b3c321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b2be9c43823951dcba9cd72d549554bbd7691a4382c7e817aca54c15b3c321", kill_on_drop: false }`
[INFO] [stdout] 37b2be9c43823951dcba9cd72d549554bbd7691a4382c7e817aca54c15b3c321