[INFO] cloning repository https://github.com/unfo/this-one-time-at-bandcamp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unfo/this-one-time-at-bandcamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funfo%2Fthis-one-time-at-bandcamp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funfo%2Fthis-one-time-at-bandcamp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3bca9e53966b5e6e7aaf4411265c86b16d17d0
[INFO] testing unfo/this-one-time-at-bandcamp against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funfo%2Fthis-one-time-at-bandcamp" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unfo/this-one-time-at-bandcamp on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unfo/this-one-time-at-bandcamp
[INFO] finished tweaking git repo https://github.com/unfo/this-one-time-at-bandcamp
[INFO] tweaked toml for git repo https://github.com/unfo/this-one-time-at-bandcamp written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/unfo/this-one-time-at-bandcamp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47dea3eed37c43e81535fbc234243b4de33c7930eed561d73dd8103e57bf3e23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47dea3eed37c43e81535fbc234243b4de33c7930eed561d73dd8103e57bf3e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47dea3eed37c43e81535fbc234243b4de33c7930eed561d73dd8103e57bf3e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dea3eed37c43e81535fbc234243b4de33c7930eed561d73dd8103e57bf3e23", kill_on_drop: false }`
[INFO] [stdout] 47dea3eed37c43e81535fbc234243b4de33c7930eed561d73dd8103e57bf3e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4596d331c253e0f16f067d4a11c42ac70c2cb8bdb8e61473b48483abfd568e2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4596d331c253e0f16f067d4a11c42ac70c2cb8bdb8e61473b48483abfd568e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.6.2
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling base32 v0.3.1
[INFO] [stdout] error[E0277]: `&&Vec<String>` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.6.2/build.rs:227:15
[INFO] [stdout]     |
[INFO] [stdout] 227 |         .args(&args)
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               `&&Vec<String>` is not an iterator
[INFO] [stdout]     |               help: consider adding dereference here: `&*args`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&Vec<String>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ring`
[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" "4596d331c253e0f16f067d4a11c42ac70c2cb8bdb8e61473b48483abfd568e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4596d331c253e0f16f067d4a11c42ac70c2cb8bdb8e61473b48483abfd568e2a", kill_on_drop: false }`
[INFO] [stdout] 4596d331c253e0f16f067d4a11c42ac70c2cb8bdb8e61473b48483abfd568e2a