[INFO] cloning repository https://github.com/leighwaller/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leighwaller/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleighwaller%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleighwaller%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 137fe9fcb1f33464eb3afea9c751028548ba3203
[INFO] checking leighwaller/advent-of-code against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleighwaller%2Fadvent-of-code" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leighwaller/advent-of-code on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leighwaller/advent-of-code
[INFO] finished tweaking git repo https://github.com/leighwaller/advent-of-code
[INFO] tweaked toml for git repo https://github.com/leighwaller/advent-of-code written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/leighwaller/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13861f69ea66246f0bf1cef4dae7d74ee1f3c83e7ff2b92d36c4c2dc92f5735f
[INFO] running `Command { std: "docker" "start" "-a" "13861f69ea66246f0bf1cef4dae7d74ee1f3c83e7ff2b92d36c4c2dc92f5735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13861f69ea66246f0bf1cef4dae7d74ee1f3c83e7ff2b92d36c4c2dc92f5735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13861f69ea66246f0bf1cef4dae7d74ee1f3c83e7ff2b92d36c4c2dc92f5735f", kill_on_drop: false }`
[INFO] [stdout] 13861f69ea66246f0bf1cef4dae7d74ee1f3c83e7ff2b92d36c4c2dc92f5735f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b39624db97d54f75c154d612dd8288938e76f6ea41fb7c71a0ef6224189189
[INFO] running `Command { std: "docker" "start" "-a" "f8b39624db97d54f75c154d612dd8288938e76f6ea41fb7c71a0ef6224189189", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]     Checking day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> day-2/src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     File::open(path).unwrap().read_to_string(&mut line);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let _ = File::open(path).unwrap().read_to_string(&mut line);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> day-2/src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     File::open(path).unwrap().read_to_string(&mut line);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let _ = File::open(path).unwrap().read_to_string(&mut line);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetamZSGJs/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f8b39624db97d54f75c154d612dd8288938e76f6ea41fb7c71a0ef6224189189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b39624db97d54f75c154d612dd8288938e76f6ea41fb7c71a0ef6224189189", kill_on_drop: false }`
[INFO] [stdout] f8b39624db97d54f75c154d612dd8288938e76f6ea41fb7c71a0ef6224189189