[INFO] cloning repository https://github.com/schteve/advent2019_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schteve/advent2019_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschteve%2Fadvent2019_rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschteve%2Fadvent2019_rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e535f957391a464fa30ce8dd6992541fee197d89 [INFO] checking schteve/advent2019_rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschteve%2Fadvent2019_rust" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/schteve/advent2019_rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/schteve/advent2019_rust [INFO] finished tweaking git repo https://github.com/schteve/advent2019_rust [INFO] tweaked toml for git repo https://github.com/schteve/advent2019_rust written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/schteve/advent2019_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] d32c548d6789e584238b24e04e093d1372b5f9febd356b893c70b2a0fbd55b25 [INFO] running `"docker" "start" "-a" "d32c548d6789e584238b24e04e093d1372b5f9febd356b893c70b2a0fbd55b25"` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking advent2019_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/day_21_part2.rs:405:9 [INFO] [stderr] | [INFO] [stderr] 405 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/day_21_part2.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn run(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/day_21_part2.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn run(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.50s [INFO] running `"docker" "inspect" "d32c548d6789e584238b24e04e093d1372b5f9febd356b893c70b2a0fbd55b25"` [INFO] running `"docker" "rm" "-f" "d32c548d6789e584238b24e04e093d1372b5f9febd356b893c70b2a0fbd55b25"` [INFO] [stdout] d32c548d6789e584238b24e04e093d1372b5f9febd356b893c70b2a0fbd55b25