[INFO] cloning repository https://github.com/chusteven/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/chusteven/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchusteven%2Fadvent_of_code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchusteven%2Fadvent_of_code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aff438996d6f9b92a06dd207092e232b037c34ff [INFO] checking chusteven/advent_of_code against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchusteven%2Fadvent_of_code" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chusteven/advent_of_code on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chusteven/advent_of_code [INFO] finished tweaking git repo https://github.com/chusteven/advent_of_code [INFO] tweaked toml for git repo https://github.com/chusteven/advent_of_code written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chusteven/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.89 [INFO] [stderr] Downloaded serde v1.0.150 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a7fe24bcafcf4a7ae915a3fbbd905edc4f58462317745d8c661f3ff2287b034 [INFO] running `Command { std: "docker" "start" "-a" "3a7fe24bcafcf4a7ae915a3fbbd905edc4f58462317745d8c661f3ff2287b034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a7fe24bcafcf4a7ae915a3fbbd905edc4f58462317745d8c661f3ff2287b034", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a7fe24bcafcf4a7ae915a3fbbd905edc4f58462317745d8c661f3ff2287b034", kill_on_drop: false }` [INFO] [stdout] 3a7fe24bcafcf4a7ae915a3fbbd905edc4f58462317745d8c661f3ff2287b034 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63919c1d5eb484d33dfbac1aafea94b6953b1c4c3cab02a575d9831d7bc2010d [INFO] running `Command { std: "docker" "start" "-a" "63919c1d5eb484d33dfbac1aafea94b6953b1c4c3cab02a575d9831d7bc2010d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.150 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking advent_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, collections::HashMap}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, collections::HashMap}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:69:29 [INFO] [stdout] | [INFO] [stdout] 69 | let mut p = e.get_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | let mut p = e.get_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | let mut dir = filesystem.get_mut(cur_dir).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:69:29 [INFO] [stdout] | [INFO] [stdout] 69 | let mut p = e.get_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | let mut p = e.get_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:79:19 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_pos_scores(lines: &Vec) -> HashMap { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_07.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | let mut dir = filesystem.get_mut(cur_dir).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut pos_scores = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_pos_scores` is never used [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_pos_scores(lines: &Vec) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:79:19 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_pos_scores(lines: &Vec) -> HashMap { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut pos_scores = HashMap::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_pos_scores` is never used [INFO] [stdout] --> src/yr_2022/problems/day_16.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_pos_scores(lines: &Vec) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s [INFO] running `Command { std: "docker" "inspect" "63919c1d5eb484d33dfbac1aafea94b6953b1c4c3cab02a575d9831d7bc2010d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63919c1d5eb484d33dfbac1aafea94b6953b1c4c3cab02a575d9831d7bc2010d", kill_on_drop: false }` [INFO] [stdout] 63919c1d5eb484d33dfbac1aafea94b6953b1c4c3cab02a575d9831d7bc2010d