[INFO] cloning repository https://github.com/ichyo/ICFPC2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ichyo/ICFPC2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichyo%2FICFPC2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichyo%2FICFPC2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd7ade4c231ee2ff3838bf1bdd8348632fb42db6
[INFO] checking ichyo/ICFPC2023 against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichyo%2FICFPC2023" "/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/ichyo/ICFPC2023 on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ichyo/ICFPC2023
[INFO] finished tweaking git repo https://github.com/ichyo/ICFPC2023
[INFO] tweaked toml for git repo https://github.com/ichyo/ICFPC2023 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ichyo/ICFPC2023 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a95c7fc2781a99f60c2d2c58fa6f9f9f173393159bb2f1542bfa7b19d0294a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a95c7fc2781a99f60c2d2c58fa6f9f9f173393159bb2f1542bfa7b19d0294a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95c7fc2781a99f60c2d2c58fa6f9f9f173393159bb2f1542bfa7b19d0294a1a", kill_on_drop: false }`
[INFO] [stdout] a95c7fc2781a99f60c2d2c58fa6f9f9f173393159bb2f1542bfa7b19d0294a1a
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "19e2db92d3030bdbd46c0206432baf94e2db7ca11682e7537aad609e308aa6af", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     for i in 0..problem.musicians.len() {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iterations` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:501:13
[INFO] [stdout]     |
[INFO] [stdout] 501 |     let mut iterations = 0u64;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_iterations` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |     for i in 0..problem.musicians.len() {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_PROBLEM_ID_PHASE_2` is never used
[INFO] [stdout]   --> src/main.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const FIRST_PROBLEM_ID_PHASE_2: u32 = 56;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScoreInfo` is never constructed
[INFO] [stdout]    --> src/main.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | struct ScoreInfo {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resubmit` is never used
[INFO] [stdout]    --> src/main.rs:760:4
[INFO] [stdout]     |
[INFO] [stdout] 760 | fn resubmit() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pre_best_solution` is never used
[INFO] [stdout]    --> src/io.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub fn get_pre_best_solution(token: &str, id: u32) -> Result<Option<Vec<(u32, u32)>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iterations` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:501:13
[INFO] [stdout]     |
[INFO] [stdout] 501 |     let mut iterations = 0u64;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_iterations` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_PROBLEM_ID_PHASE_2` is never used
[INFO] [stdout]   --> src/main.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const FIRST_PROBLEM_ID_PHASE_2: u32 = 56;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScoreInfo` is never constructed
[INFO] [stdout]    --> src/main.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | struct ScoreInfo {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resubmit` is never used
[INFO] [stdout]    --> src/main.rs:760:4
[INFO] [stdout]     |
[INFO] [stdout] 760 | fn resubmit() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pre_best_solution` is never used
[INFO] [stdout]    --> src/io.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub fn get_pre_best_solution(token: &str, id: u32) -> Result<Option<Vec<(u32, u32)>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.02s
[INFO] running `Command { std: "docker" "inspect" "19e2db92d3030bdbd46c0206432baf94e2db7ca11682e7537aad609e308aa6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e2db92d3030bdbd46c0206432baf94e2db7ca11682e7537aad609e308aa6af", kill_on_drop: false }`
[INFO] [stdout] 19e2db92d3030bdbd46c0206432baf94e2db7ca11682e7537aad609e308aa6af