[INFO] cloning repository https://github.com/jyh106/advent_of_code_2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jyh106/advent_of_code_2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyh106%2Fadvent_of_code_2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyh106%2Fadvent_of_code_2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de3a067c80daedfddbd5472108d7818c6ee3c00d
[INFO] checking jyh106/advent_of_code_2022/de3a067c80daedfddbd5472108d7818c6ee3c00d against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjyh106%2Fadvent_of_code_2022" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jyh106/advent_of_code_2022 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jyh106/advent_of_code_2022
[INFO] finished tweaking git repo https://github.com/jyh106/advent_of_code_2022
[INFO] tweaked toml for git repo https://github.com/jyh106/advent_of_code_2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jyh106/advent_of_code_2022 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e8ed4248a16ca8fb55daa798643120e13965480d953ec81a913fd757739c73
[INFO] running `Command { std: "docker" "start" "-a" "07e8ed4248a16ca8fb55daa798643120e13965480d953ec81a913fd757739c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e8ed4248a16ca8fb55daa798643120e13965480d953ec81a913fd757739c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e8ed4248a16ca8fb55daa798643120e13965480d953ec81a913fd757739c73", kill_on_drop: false }`
[INFO] [stdout] 07e8ed4248a16ca8fb55daa798643120e13965480d953ec81a913fd757739c73
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c541b8183065cef091bbfc8d2bd1bc1bdc716f4ff3eb2bc09be984c08bf0b842
[INFO] running `Command { std: "docker" "start" "-a" "c541b8183065cef091bbfc8d2bd1bc1bdc716f4ff3eb2bc09be984c08bf0b842", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day_five_puzzle.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut stack_2 = vec!['V'.to_string(), 'W'.to_string(), 'Q'.to_string(), 'Z'.to_string(), 'D'.to_string(), 'L'.to_string()];
[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/day_five_puzzle.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut stack_3 = vec!['C'.to_string(), 'P'.to_string(), 'R'.to_string(), 'G'.to_string(), 'Q'.to_string(), 'Z'.to_string(), 'L'.to_s...
[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/day_five_puzzle.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut stack_4 = vec!['B'.to_string(), 'V'.to_string(), 'J'.to_string(), 'F'.to_string(), 'H'.to_string(), 'D'.to_string(), 'R'.to_s...
[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/day_five_puzzle.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut stack_5 = vec!['C'.to_string(), 'L'.to_string(), 'W'.to_string(), 'Z'.to_string()];
[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/day_five_puzzle.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut stack_6 = vec!['M'.to_string(), 'V'.to_string(), 'G'.to_string(), 'T'.to_string(), 'N'.to_string(), 'P'.to_string(), 'R'.to_s...
[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/day_five_puzzle.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stack_7 = vec!['S'.to_string(), 'B'.to_string(), 'M'.to_string(), 'V'.to_string(), 'L'.to_string(), 'R'.to_string(), 'J'.to_s...
[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/day_five_puzzle.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut stack_8 = vec!['J'.to_string(), 'P'.to_string(), 'D'.to_string()];
[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/day_five_puzzle.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut stack_9 = vec!['V'.to_string(), 'W'.to_string(), 'N'.to_string(), 'C'.to_string(), 'D'.to_string()];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/day_five_puzzle.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let from = &stacks[from_stack - 1];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_stacks_one_at_a_time` is never used
[INFO] [stdout]   --> src/day_five_puzzle.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn move_stacks_one_at_a_time(instructions: &Vec<(usize, usize, usize)>, stacks: &mut Vec<Vec<String>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day_five_puzzle.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut stack_2 = vec!['V'.to_string(), 'W'.to_string(), 'Q'.to_string(), 'Z'.to_string(), 'D'.to_string(), 'L'.to_string()];
[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/day_five_puzzle.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut stack_3 = vec!['C'.to_string(), 'P'.to_string(), 'R'.to_string(), 'G'.to_string(), 'Q'.to_string(), 'Z'.to_string(), 'L'.to_s...
[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/day_five_puzzle.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut stack_4 = vec!['B'.to_string(), 'V'.to_string(), 'J'.to_string(), 'F'.to_string(), 'H'.to_string(), 'D'.to_string(), 'R'.to_s...
[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/day_five_puzzle.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut stack_5 = vec!['C'.to_string(), 'L'.to_string(), 'W'.to_string(), 'Z'.to_string()];
[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/day_five_puzzle.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut stack_6 = vec!['M'.to_string(), 'V'.to_string(), 'G'.to_string(), 'T'.to_string(), 'N'.to_string(), 'P'.to_string(), 'R'.to_s...
[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/day_five_puzzle.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stack_7 = vec!['S'.to_string(), 'B'.to_string(), 'M'.to_string(), 'V'.to_string(), 'L'.to_string(), 'R'.to_string(), 'J'.to_s...
[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/day_five_puzzle.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut stack_8 = vec!['J'.to_string(), 'P'.to_string(), 'D'.to_string()];
[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/day_five_puzzle.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut stack_9 = vec!['V'.to_string(), 'W'.to_string(), 'N'.to_string(), 'C'.to_string(), 'D'.to_string()];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/day_five_puzzle.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let from = &stacks[from_stack - 1];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_top_crates_correctly` is never used
[INFO] [stdout]   --> src/day_five_puzzle.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn collect_top_crates_correctly() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_stacks_at_once_correctly` is never used
[INFO] [stdout]   --> src/day_five_puzzle.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn move_stacks_at_once_correctly() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "c541b8183065cef091bbfc8d2bd1bc1bdc716f4ff3eb2bc09be984c08bf0b842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c541b8183065cef091bbfc8d2bd1bc1bdc716f4ff3eb2bc09be984c08bf0b842", kill_on_drop: false }`
[INFO] [stdout] c541b8183065cef091bbfc8d2bd1bc1bdc716f4ff3eb2bc09be984c08bf0b842
