[INFO] cloning repository https://github.com/bouncenow/advent-of-code-2018-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bouncenow/advent-of-code-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2991f1d3b24cd95b7c252edd89c8d0519ec5312d [INFO] checking bouncenow/advent-of-code-2018-rust against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bouncenow/advent-of-code-2018-rust on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bouncenow/advent-of-code-2018-rust [INFO] finished tweaking git repo https://github.com/bouncenow/advent-of-code-2018-rust [INFO] tweaked toml for git repo https://github.com/bouncenow/advent-of-code-2018-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/bouncenow/advent-of-code-2018-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 819be0ecb02becdcf62a50f70570337ba9863e0f31d6b21a549b1c9a26ec9e8e [INFO] running `"docker" "start" "-a" "819be0ecb02becdcf62a50f70570337ba9863e0f31d6b21a549b1c9a26ec9e8e"` [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking raoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ch3.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 91 | fn parse_int(iter: &mut Iterator) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ch3.rs:95:16 [INFO] [stderr] | [INFO] [stderr] 95 | '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ch3.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 91 | fn parse_int(iter: &mut Iterator) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ch3.rs:95:16 [INFO] [stderr] | [INFO] [stderr] 95 | '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/ch5.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | polymers.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/ch5.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | polymers.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.22s [INFO] running `"docker" "inspect" "819be0ecb02becdcf62a50f70570337ba9863e0f31d6b21a549b1c9a26ec9e8e"` [INFO] running `"docker" "rm" "-f" "819be0ecb02becdcf62a50f70570337ba9863e0f31d6b21a549b1c9a26ec9e8e"` [INFO] [stdout] 819be0ecb02becdcf62a50f70570337ba9863e0f31d6b21a549b1c9a26ec9e8e