[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 try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Frpng" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/rpng on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-1/source/src/main.rs
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 629a06d30fa633f9056b7d2c29fb0bcaea7e1067286dfe6859b66d8f58fe0fe8
[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" "629a06d30fa633f9056b7d2c29fb0bcaea7e1067286dfe6859b66d8f58fe0fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629a06d30fa633f9056b7d2c29fb0bcaea7e1067286dfe6859b66d8f58fe0fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629a06d30fa633f9056b7d2c29fb0bcaea7e1067286dfe6859b66d8f58fe0fe8", kill_on_drop: false }`
[INFO] [stdout] 629a06d30fa633f9056b7d2c29fb0bcaea7e1067286dfe6859b66d8f58fe0fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 243126662ea0cdd972c9ff31951912ec52f618ff51f893fb8c247d974f91d361
[INFO] running `Command { std: "docker" "start" "-a" "243126662ea0cdd972c9ff31951912ec52f618ff51f893fb8c247d974f91d361", 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 cc v1.0.37
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking crc32fast v1.2.0
[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] [stderr] error: could not compile `rpng`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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" "243126662ea0cdd972c9ff31951912ec52f618ff51f893fb8c247d974f91d361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243126662ea0cdd972c9ff31951912ec52f618ff51f893fb8c247d974f91d361", kill_on_drop: false }`
[INFO] [stdout] 243126662ea0cdd972c9ff31951912ec52f618ff51f893fb8c247d974f91d361