[INFO] cloning repository https://github.com/juniuszhou/simple_algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juniuszhou/simple_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuniuszhou%2Fsimple_algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuniuszhou%2Fsimple_algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a805291dbc8e8a57fb9906e21f1ea2a9bdbddd
[INFO] testing juniuszhou/simple_algo 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%2Fjuniuszhou%2Fsimple_algo" "/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/juniuszhou/simple_algo 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/juniuszhou/simple_algo
[INFO] finished tweaking git repo https://github.com/juniuszhou/simple_algo
[INFO] tweaked toml for git repo https://github.com/juniuszhou/simple_algo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/juniuszhou/simple_algo 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-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e15f37ef3fdca7a5bdd49eb7c52e480368ad906782a61e796418a90697bfc9c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e15f37ef3fdca7a5bdd49eb7c52e480368ad906782a61e796418a90697bfc9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15f37ef3fdca7a5bdd49eb7c52e480368ad906782a61e796418a90697bfc9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15f37ef3fdca7a5bdd49eb7c52e480368ad906782a61e796418a90697bfc9c1", kill_on_drop: false }`
[INFO] [stdout] e15f37ef3fdca7a5bdd49eb7c52e480368ad906782a61e796418a90697bfc9c1
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3df0c2c3d4f80a79e775d592cef4c6301c407c24ad36658e0c6b3b18385a3c1
[INFO] running `Command { std: "docker" "start" "-a" "a3df0c2c3d4f80a79e775d592cef4c6301c407c24ad36658e0c6b3b18385a3c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_graph`
[INFO] [stdout]  --> main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_graph(input: String) -> [[u32; 26]; 26] {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_distance`
[INFO] [stdout]   --> main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn compute_distance(input: String, graph: [[u32; 26]; 26]) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_distance`
[INFO] [stdout]   --> main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn path_distance(vec: Vec<u8>, graph: [[u32; 26]; 26]) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dfs`
[INFO] [stdout]   --> main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn dfs(vec: Vec<u8>, graph: [[u32; 26]; 26], end: u8, max: usize, is_distance: bool) -> u32{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bfs`
[INFO] [stdout]   --> main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn bfs(vec: Vec<u8>, graph: [[u32; 26]; 26], end: u8, max: usize) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spfa`
[INFO] [stdout]    --> main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn spfa(graph: [[u32; 26]; 26], start: u8, end: u8, is_loop: bool) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 59s
[INFO] running `Command { std: "docker" "inspect" "a3df0c2c3d4f80a79e775d592cef4c6301c407c24ad36658e0c6b3b18385a3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3df0c2c3d4f80a79e775d592cef4c6301c407c24ad36658e0c6b3b18385a3c1", kill_on_drop: false }`
[INFO] [stdout] a3df0c2c3d4f80a79e775d592cef4c6301c407c24ad36658e0c6b3b18385a3c1
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7476859f3fdc26e409c0ae69c9fc5be84b5641dde7b188e248f8885edb9c45ba
[INFO] running `Command { std: "docker" "start" "-a" "7476859f3fdc26e409c0ae69c9fc5be84b5641dde7b188e248f8885edb9c45ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] [stderr]   Executable unittests main.rs (/opt/rustwide/target/debug/deps/rust-dd803576ab748598)
[INFO] running `Command { std: "docker" "inspect" "7476859f3fdc26e409c0ae69c9fc5be84b5641dde7b188e248f8885edb9c45ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7476859f3fdc26e409c0ae69c9fc5be84b5641dde7b188e248f8885edb9c45ba", kill_on_drop: false }`
[INFO] [stdout] 7476859f3fdc26e409c0ae69c9fc5be84b5641dde7b188e248f8885edb9c45ba
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 914162a2dfff6a3252b0cd3ba3fd49ff9eb4b9a13663ed79ed167d32e16e72cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "914162a2dfff6a3252b0cd3ba3fd49ff9eb4b9a13663ed79ed167d32e16e72cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/rust-dd803576ab748598)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_one ... 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" "914162a2dfff6a3252b0cd3ba3fd49ff9eb4b9a13663ed79ed167d32e16e72cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914162a2dfff6a3252b0cd3ba3fd49ff9eb4b9a13663ed79ed167d32e16e72cf", kill_on_drop: false }`
[INFO] [stdout] 914162a2dfff6a3252b0cd3ba3fd49ff9eb4b9a13663ed79ed167d32e16e72cf