[INFO] cloning repository https://github.com/girtsf/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/girtsf/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 257fef20f3be6bb70231aaebd11529559d573bdf
[INFO] checking girtsf/advent-of-code-2019 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgirtsf%2Fadvent-of-code-2019" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/girtsf/advent-of-code-2019 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/girtsf/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/girtsf/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/girtsf/advent-of-code-2019 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/girtsf/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bb4434bddc0d60a601b9d6451de9c7d89bbc8b04caae2384841d816bd7a6c3f
[INFO] running `Command { std: "docker" "start" "-a" "0bb4434bddc0d60a601b9d6451de9c7d89bbc8b04caae2384841d816bd7a6c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb4434bddc0d60a601b9d6451de9c7d89bbc8b04caae2384841d816bd7a6c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb4434bddc0d60a601b9d6451de9c7d89bbc8b04caae2384841d816bd7a6c3f", kill_on_drop: false }`
[INFO] [stdout] 0bb4434bddc0d60a601b9d6451de9c7d89bbc8b04caae2384841d816bd7a6c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c065933d9530c8f854149ad92ef2209012038d0edd650c7eabf016d6d12bb841
[INFO] running `Command { std: "docker" "start" "-a" "c065933d9530c8f854149ad92ef2209012038d0edd650c7eabf016d6d12bb841", kill_on_drop: false }`
[INFO] [stderr]     Checking adv_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day10.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |     let mut field = Field::parse(&filename);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day14.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut reactions = Reactions::parse(&input);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day14.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut reactions = Reactions::parse(&input);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abs_sum`
[INFO] [stdout]   --> src/bin/day12.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn abs_sum(arr: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `potential_energy`
[INFO] [stdout]   --> src/bin/day12.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn potential_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kinetic_energy`
[INFO] [stdout]   --> src/bin/day12.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn kinetic_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_energy`
[INFO] [stdout]   --> src/bin/day12.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn total_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/bin/day12.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn run(&mut self, steps: usize) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_energy`
[INFO] [stdout]    --> src/bin/day12.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn total_energy(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abs_sum`
[INFO] [stdout]   --> src/bin/day12.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn abs_sum(arr: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `potential_energy`
[INFO] [stdout]   --> src/bin/day12.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn potential_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kinetic_energy`
[INFO] [stdout]   --> src/bin/day12.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn kinetic_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_energy`
[INFO] [stdout]   --> src/bin/day12.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn total_energy(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/bin/day12.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn run(&mut self, steps: usize) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_energy`
[INFO] [stdout]    --> src/bin/day12.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn total_energy(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day10.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |     let mut field = Field::parse(&filename);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c065933d9530c8f854149ad92ef2209012038d0edd650c7eabf016d6d12bb841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c065933d9530c8f854149ad92ef2209012038d0edd650c7eabf016d6d12bb841", kill_on_drop: false }`
[INFO] [stdout] c065933d9530c8f854149ad92ef2209012038d0edd650c7eabf016d6d12bb841