[INFO] cloning repository https://github.com/Centril/crater-cat-errors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Centril/crater-cat-errors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fcrater-cat-errors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fcrater-cat-errors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64ff8d288e9f6ad4d6f1f54dcc130594b1fc724f
[INFO] testing Centril/crater-cat-errors against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Fcrater-cat-errors" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Centril/crater-cat-errors on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Centril/crater-cat-errors
[INFO] finished tweaking git repo https://github.com/Centril/crater-cat-errors
[INFO] tweaked toml for git repo https://github.com/Centril/crater-cat-errors written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Centril/crater-cat-errors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13fd93b4826868d3d0852672a34c7805119a53ddb1dac4a09d139ce31678c9d9
[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" "13fd93b4826868d3d0852672a34c7805119a53ddb1dac4a09d139ce31678c9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fd93b4826868d3d0852672a34c7805119a53ddb1dac4a09d139ce31678c9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fd93b4826868d3d0852672a34c7805119a53ddb1dac4a09d139ce31678c9d9", kill_on_drop: false }`
[INFO] [stdout] 13fd93b4826868d3d0852672a34c7805119a53ddb1dac4a09d139ce31678c9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769f8d7fefca448db5885ff54aca66453afa58740c0695a3bd7f8bca8309b505
[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" "769f8d7fefca448db5885ff54aca66453afa58740c0695a3bd7f8bca8309b505", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling env_logger v0.7.0
[INFO] [stderr]    Compiling crater-cat-errors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |             report_path = Path::new(arg);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     expected reference, found struct `String`
[INFO] [stdout]    |                                     help: consider borrowing here: `&arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&_`
[INFO] [stdout]                  found struct `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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crater-cat-errors`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "769f8d7fefca448db5885ff54aca66453afa58740c0695a3bd7f8bca8309b505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769f8d7fefca448db5885ff54aca66453afa58740c0695a3bd7f8bca8309b505", kill_on_drop: false }`
[INFO] [stdout] 769f8d7fefca448db5885ff54aca66453afa58740c0695a3bd7f8bca8309b505