[INFO] cloning repository https://github.com/foolish314159/advent-of-code-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foolish314159/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolish314159%2Fadvent-of-code-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolish314159%2Fadvent-of-code-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c656615465a37058caf42a0e31b75f1da08aa16 [INFO] checking foolish314159/advent-of-code-rust against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolish314159%2Fadvent-of-code-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/foolish314159/advent-of-code-rust [INFO] finished tweaking git repo https://github.com/foolish314159/advent-of-code-rust [INFO] tweaked toml for git repo https://github.com/foolish314159/advent-of-code-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/foolish314159/advent-of-code-rust on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/foolish314159/advent-of-code-rust 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c25fdca63388e749568975d6f93f51b68d0bfdc9476169a130cfa0ffd7d2e654 [INFO] running `Command { std: "docker" "start" "-a" "c25fdca63388e749568975d6f93f51b68d0bfdc9476169a130cfa0ffd7d2e654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c25fdca63388e749568975d6f93f51b68d0bfdc9476169a130cfa0ffd7d2e654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c25fdca63388e749568975d6f93f51b68d0bfdc9476169a130cfa0ffd7d2e654", kill_on_drop: false }` [INFO] [stdout] c25fdca63388e749568975d6f93f51b68d0bfdc9476169a130cfa0ffd7d2e654 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb3e47fd5bc192665b11f79b43533476dba29209f25253a0ff48aa7c85daa620 [INFO] running `Command { std: "docker" "start" "-a" "fb3e47fd5bc192665b11f79b43533476dba29209f25253a0ff48aa7c85daa620", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking aho-corasick v1.0.4 [INFO] [stderr] Checking regex-automata v0.3.6 [INFO] [stderr] Checking regex v1.9.3 [INFO] [stderr] Checking adventofcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/aoc5.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 152 | trait StackInspect { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 153 | fn top_items(&self) -> String; [INFO] [stdout] 154 | fn print(&self); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `info_str` is never used [INFO] [stdout] --> src/aoc7.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl File { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | fn info_str(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `tree_impl`, `tree`, `size_infos_impl`, and `size_infos` are never used [INFO] [stdout] --> src/aoc7.rs:148:8 [INFO] [stdout] | [INFO] [stdout] 95 | impl FileSystem { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 148 | fn tree_impl(&self, current: &Rc>, layer: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | fn tree(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn size_infos_impl(&self, current: &Rc>, res: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn size_infos(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/aoc5.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 152 | trait StackInspect { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 153 | fn top_items(&self) -> String; [INFO] [stdout] 154 | fn print(&self); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `info_str` is never used [INFO] [stdout] --> src/aoc7.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl File { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | fn info_str(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `tree_impl`, `tree`, `size_infos_impl`, and `size_infos` are never used [INFO] [stdout] --> src/aoc7.rs:148:8 [INFO] [stdout] | [INFO] [stdout] 95 | impl FileSystem { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 148 | fn tree_impl(&self, current: &Rc>, layer: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | fn tree(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn size_infos_impl(&self, current: &Rc>, res: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn size_infos(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s [INFO] running `Command { std: "docker" "inspect" "fb3e47fd5bc192665b11f79b43533476dba29209f25253a0ff48aa7c85daa620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb3e47fd5bc192665b11f79b43533476dba29209f25253a0ff48aa7c85daa620", kill_on_drop: false }` [INFO] [stdout] fb3e47fd5bc192665b11f79b43533476dba29209f25253a0ff48aa7c85daa620