[INFO] cloning repository https://github.com/ConnorSkees/rpng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorSkees/rpng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Frpng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Frpng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74e4f8595e62e1bcb08ec6d690c0f39cf877d215
[INFO] checking ConnorSkees/rpng against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Frpng" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/rpng on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnorSkees/rpng
[INFO] finished tweaking git repo https://github.com/ConnorSkees/rpng
[INFO] tweaked toml for git repo https://github.com/ConnorSkees/rpng written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorSkees/rpng already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-11/source/src/main.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1544a8a6cf3408418ab7679d0720b29a24c16b9b12ddcfa3b0a99010e60f6bf5
[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" "1544a8a6cf3408418ab7679d0720b29a24c16b9b12ddcfa3b0a99010e60f6bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1544a8a6cf3408418ab7679d0720b29a24c16b9b12ddcfa3b0a99010e60f6bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1544a8a6cf3408418ab7679d0720b29a24c16b9b12ddcfa3b0a99010e60f6bf5", kill_on_drop: false }`
[INFO] [stdout] 1544a8a6cf3408418ab7679d0720b29a24c16b9b12ddcfa3b0a99010e60f6bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167eb14fab8fa05a41651f9953002c48edca961283d61f9c7856aae12fb90209
[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" "167eb14fab8fa05a41651f9953002c48edca961283d61f9c7856aae12fb90209", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking rpng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> src/main.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | mod test {
[INFO] [stdout]    |          - this opening brace...
[INFO] [stdout] ...
[INFO] [stdout] 60 | }
[INFO] [stdout]    | - ...matches this closing brace
[INFO] [stdout] ...
[INFO] [stdout] 63 | }
[INFO] [stdout]    | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpng`
[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" "167eb14fab8fa05a41651f9953002c48edca961283d61f9c7856aae12fb90209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167eb14fab8fa05a41651f9953002c48edca961283d61f9c7856aae12fb90209", kill_on_drop: false }`
[INFO] [stdout] 167eb14fab8fa05a41651f9953002c48edca961283d61f9c7856aae12fb90209