[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnicmakino%2Fcompetitive-programming-ant" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snicmakino/competitive-programming-ant on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6afb39056d26e2e94cd962218f0497ef6da8027d7dc502ff310228af39d631ed
[INFO] running `Command { std: "docker" "start" "-a" "6afb39056d26e2e94cd962218f0497ef6da8027d7dc502ff310228af39d631ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6afb39056d26e2e94cd962218f0497ef6da8027d7dc502ff310228af39d631ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afb39056d26e2e94cd962218f0497ef6da8027d7dc502ff310228af39d631ed", kill_on_drop: false }`
[INFO] [stdout] 6afb39056d26e2e94cd962218f0497ef6da8027d7dc502ff310228af39d631ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1e25bd68a3c66d8f34b410d492c19f30c540d73e9c11d2ef5d70de4dea571c
[INFO] running `Command { std: "docker" "start" "-a" "ff1e25bd68a3c66d8f34b410d492c19f30c540d73e9c11d2ef5d70de4dea571c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 10.59s
[INFO] running `Command { std: "docker" "inspect" "ff1e25bd68a3c66d8f34b410d492c19f30c540d73e9c11d2ef5d70de4dea571c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1e25bd68a3c66d8f34b410d492c19f30c540d73e9c11d2ef5d70de4dea571c", kill_on_drop: false }`
[INFO] [stdout] ff1e25bd68a3c66d8f34b410d492c19f30c540d73e9c11d2ef5d70de4dea571c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d978b724e9bfd8b6db49eef8e214a308df901327d267cf19cd2071a989596a
[INFO] running `Command { std: "docker" "start" "-a" "90d978b724e9bfd8b6db49eef8e214a308df901327d267cf19cd2071a989596a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling competitive-programming-ant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "90d978b724e9bfd8b6db49eef8e214a308df901327d267cf19cd2071a989596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d978b724e9bfd8b6db49eef8e214a308df901327d267cf19cd2071a989596a", kill_on_drop: false }`
[INFO] [stdout] 90d978b724e9bfd8b6db49eef8e214a308df901327d267cf19cd2071a989596a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4518979c88d695a750b1a9434e3443cf9909e49e4b2757a02384b05dc95b1862
[INFO] running `Command { std: "docker" "start" "-a" "4518979c88d695a750b1a9434e3443cf9909e49e4b2757a02384b05dc95b1862", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/competitive_programming_ant-5b3124ce4067402b)
[INFO] [stdout] 
[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" "4518979c88d695a750b1a9434e3443cf9909e49e4b2757a02384b05dc95b1862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4518979c88d695a750b1a9434e3443cf9909e49e4b2757a02384b05dc95b1862", kill_on_drop: false }`
[INFO] [stdout] 4518979c88d695a750b1a9434e3443cf9909e49e4b2757a02384b05dc95b1862