[INFO] cloning repository https://github.com/snicmakino/competitive-programming-ant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snicmakino/competitive-programming-ant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnicmakino%2Fcompetitive-programming-ant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnicmakino%2Fcompetitive-programming-ant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de8ad3ffffadb2f2d5150dbfb0f7ca0332c0e90a
[INFO] testing snicmakino/competitive-programming-ant against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnicmakino%2Fcompetitive-programming-ant" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snicmakino/competitive-programming-ant on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snicmakino/competitive-programming-ant
[INFO] finished tweaking git repo https://github.com/snicmakino/competitive-programming-ant
[INFO] tweaked toml for git repo https://github.com/snicmakino/competitive-programming-ant written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/snicmakino/competitive-programming-ant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8332dc9d3d6ead8e70d963c91ed9636ffb953a6b9528b2b0d3100b6e8c789236
[INFO] running `Command { std: "docker" "start" "-a" "8332dc9d3d6ead8e70d963c91ed9636ffb953a6b9528b2b0d3100b6e8c789236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8332dc9d3d6ead8e70d963c91ed9636ffb953a6b9528b2b0d3100b6e8c789236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8332dc9d3d6ead8e70d963c91ed9636ffb953a6b9528b2b0d3100b6e8c789236", kill_on_drop: false }`
[INFO] [stdout] 8332dc9d3d6ead8e70d963c91ed9636ffb953a6b9528b2b0d3100b6e8c789236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58937699da1f57ca787ddaf91580fdcf49ab301f84c71189b9ecb78058312279
[INFO] running `Command { std: "docker" "start" "-a" "58937699da1f57ca787ddaf91580fdcf49ab301f84c71189b9ecb78058312279", kill_on_drop: false }`
[INFO] [stderr]    Compiling competitive-programming-ant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/q2_2_6.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn solve(n: usize, wv: Vec<(i32, i32)>, maxw: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Dfs`
[INFO] [stdout]  --> src/q2_2_6.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct Dfs {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/q2_2_6.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |         pub fn new(n: usize, wv: Vec<(i32, i32)>) -> Dfs {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dfs`
[INFO] [stdout]   --> src/q2_2_6.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn dfs(&mut self, i: usize, w: i32) -> i32 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "58937699da1f57ca787ddaf91580fdcf49ab301f84c71189b9ecb78058312279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58937699da1f57ca787ddaf91580fdcf49ab301f84c71189b9ecb78058312279", kill_on_drop: false }`
[INFO] [stdout] 58937699da1f57ca787ddaf91580fdcf49ab301f84c71189b9ecb78058312279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b3173a34a812251e40b11b7c3ac3ea724ef44f9470b5f70165f6dea9661af2
[INFO] running `Command { std: "docker" "start" "-a" "67b3173a34a812251e40b11b7c3ac3ea724ef44f9470b5f70165f6dea9661af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling competitive-programming-ant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/competitive_programming_ant-9d5df3ef3093370e)
[INFO] running `Command { std: "docker" "inspect" "67b3173a34a812251e40b11b7c3ac3ea724ef44f9470b5f70165f6dea9661af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b3173a34a812251e40b11b7c3ac3ea724ef44f9470b5f70165f6dea9661af2", kill_on_drop: false }`
[INFO] [stdout] 67b3173a34a812251e40b11b7c3ac3ea724ef44f9470b5f70165f6dea9661af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e54016154f976497eb101ee8ca8dfac20304ce8d103df0f0e08dde52e1099f2
[INFO] running `Command { std: "docker" "start" "-a" "3e54016154f976497eb101ee8ca8dfac20304ce8d103df0f0e08dde52e1099f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/competitive_programming_ant-9d5df3ef3093370e)
[INFO] [stdout] running 1 test
[INFO] [stdout] test q2_2_6::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e54016154f976497eb101ee8ca8dfac20304ce8d103df0f0e08dde52e1099f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e54016154f976497eb101ee8ca8dfac20304ce8d103df0f0e08dde52e1099f2", kill_on_drop: false }`
[INFO] [stdout] 3e54016154f976497eb101ee8ca8dfac20304ce8d103df0f0e08dde52e1099f2