[INFO] cloning repository https://github.com/redwarp/advent-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redwarp/advent-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Fadvent-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Fadvent-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2894f7f036a8f50cde7c3d708dc3684045f6b2c7 [INFO] checking redwarp/advent-2020 against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Fadvent-2020" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/redwarp/advent-2020 [INFO] finished tweaking git repo https://github.com/redwarp/advent-2020 [INFO] tweaked toml for git repo https://github.com/redwarp/advent-2020 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/redwarp/advent-2020 on toolchain e90f1ff63e694965281f833819a486da29772bdf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/redwarp/advent-2020 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 684e704de2c3788ac9125cb5433b9c9b219f48c153bf665e083f6e616704859f [INFO] running `Command { std: "docker" "start" "-a" "684e704de2c3788ac9125cb5433b9c9b219f48c153bf665e083f6e616704859f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "684e704de2c3788ac9125cb5433b9c9b219f48c153bf665e083f6e616704859f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "684e704de2c3788ac9125cb5433b9c9b219f48c153bf665e083f6e616704859f", kill_on_drop: false }` [INFO] [stdout] 684e704de2c3788ac9125cb5433b9c9b219f48c153bf665e083f6e616704859f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 721309337b3a9637f15082feaaa0d8f57d5e4215419a6f9c10b1b2f8dff59ee5 [INFO] running `Command { std: "docker" "start" "-a" "721309337b3a9637f15082feaaa0d8f57d5e4215419a6f9c10b1b2f8dff59ee5", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `todo` [INFO] [stdout] --> src/day10.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | todo, vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `todo` [INFO] [stdout] --> src/day10.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | todo, vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day08.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | let mut line = lines.get_mut(index).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_possible_plugs` is never used [INFO] [stdout] --> src/day10.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn calculate_possible_plugs(sockets: &Vec) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `index` is never read [INFO] [stdout] --> src/day10.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | struct Branch { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 66 | index: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Branch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day06.rs:15:33 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(content: &'a str) -> Group { [INFO] [stdout] | -- ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 15 | fn new(content: &'a str) -> Group<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day08.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | let mut line = lines.get_mut(index).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_possible_plugs` is never used [INFO] [stdout] --> src/day10.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn calculate_possible_plugs(sockets: &Vec) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `index` is never read [INFO] [stdout] --> src/day10.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | struct Branch { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 66 | index: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Branch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day06.rs:15:33 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(content: &'a str) -> Group { [INFO] [stdout] | -- ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 15 | fn new(content: &'a str) -> Group<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s [INFO] running `Command { std: "docker" "inspect" "721309337b3a9637f15082feaaa0d8f57d5e4215419a6f9c10b1b2f8dff59ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "721309337b3a9637f15082feaaa0d8f57d5e4215419a6f9c10b1b2f8dff59ee5", kill_on_drop: false }` [INFO] [stdout] 721309337b3a9637f15082feaaa0d8f57d5e4215419a6f9c10b1b2f8dff59ee5