[INFO] cloning repository https://github.com/axel-kaliff/maxflow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axel-kaliff/maxflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7e7f9dfa70bf0ac4ca5dada1dfb9f322d2d86e4 [INFO] testing axel-kaliff/maxflow against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow" "/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/axel-kaliff/maxflow on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/axel-kaliff/maxflow [INFO] finished tweaking git repo https://github.com/axel-kaliff/maxflow [INFO] tweaked toml for git repo https://github.com/axel-kaliff/maxflow written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/axel-kaliff/maxflow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", 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] 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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e77066a28859cb353483bcb61e18959005c4745e07780f2b6a01289cec11ac4 [INFO] running `Command { std: "docker" "start" "-a" "2e77066a28859cb353483bcb61e18959005c4745e07780f2b6a01289cec11ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e77066a28859cb353483bcb61e18959005c4745e07780f2b6a01289cec11ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e77066a28859cb353483bcb61e18959005c4745e07780f2b6a01289cec11ac4", kill_on_drop: false }` [INFO] [stdout] 2e77066a28859cb353483bcb61e18959005c4745e07780f2b6a01289cec11ac4 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be6b099bdd5e0c7d37a063e2ab0bba7eb8fcf65e3cc48aa2795eaafffc67b1db [INFO] running `Command { std: "docker" "start" "-a" "be6b099bdd5e0c7d37a063e2ab0bba7eb8fcf65e3cc48aa2795eaafffc67b1db", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling maxflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::LinkedList` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::LinkedList; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ford_fulkerson` [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bfs` [INFO] [stdout] --> src/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `rGraph` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut rGraph: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `rGraph` should have a snake case name [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:47:79 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.08s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "be6b099bdd5e0c7d37a063e2ab0bba7eb8fcf65e3cc48aa2795eaafffc67b1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6b099bdd5e0c7d37a063e2ab0bba7eb8fcf65e3cc48aa2795eaafffc67b1db", kill_on_drop: false }` [INFO] [stdout] be6b099bdd5e0c7d37a063e2ab0bba7eb8fcf65e3cc48aa2795eaafffc67b1db [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4220658a9437d310b293a147c586c3b64b8522eaf2e474e2cc2abcc8524d126 [INFO] running `Command { std: "docker" "start" "-a" "f4220658a9437d310b293a147c586c3b64b8522eaf2e474e2cc2abcc8524d126", kill_on_drop: false }` [INFO] [stderr] Compiling maxflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::LinkedList` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::LinkedList; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ford_fulkerson` [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bfs` [INFO] [stdout] --> src/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `rGraph` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut rGraph: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `rGraph` should have a snake case name [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `V` should have a snake case name [INFO] [stdout] --> src/main.rs:47:79 [INFO] [stdout] | [INFO] [stdout] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "f4220658a9437d310b293a147c586c3b64b8522eaf2e474e2cc2abcc8524d126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4220658a9437d310b293a147c586c3b64b8522eaf2e474e2cc2abcc8524d126", kill_on_drop: false }` [INFO] [stdout] f4220658a9437d310b293a147c586c3b64b8522eaf2e474e2cc2abcc8524d126 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fd6caef294251991b187f9b6e572c7ab11fa0a62d7b7f6d160795f12d458f45e [INFO] running `Command { std: "docker" "start" "-a" "fd6caef294251991b187f9b6e572c7ab11fa0a62d7b7f6d160795f12d458f45e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::collections::LinkedList` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::LinkedList; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/main.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs` [INFO] [stderr] --> src/main.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `V` should have a snake case name [INFO] [stderr] --> src/main.rs:5:43 [INFO] [stderr] | [INFO] [stderr] 5 | fn ford_fulkerson(graph: Vec>, V: usize, s: usize, t: usize) -> usize { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `rGraph` should have a snake case name [INFO] [stderr] --> src/main.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut rGraph: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stderr] [INFO] [stderr] warning: variable `rGraph` should have a snake case name [INFO] [stderr] --> src/main.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `r_graph` [INFO] [stderr] [INFO] [stderr] warning: variable `V` should have a snake case name [INFO] [stderr] --> src/main.rs:47:79 [INFO] [stderr] | [INFO] [stderr] 47 | fn bfs(rGraph: &Vec>, s: usize, t: usize, parent: &mut Vec, V: usize) -> bool { [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stderr] [INFO] [stderr] warning: `maxflow` (bin "maxflow" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maxflow-a6ff69cea6eaf59c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fd6caef294251991b187f9b6e572c7ab11fa0a62d7b7f6d160795f12d458f45e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd6caef294251991b187f9b6e572c7ab11fa0a62d7b7f6d160795f12d458f45e", kill_on_drop: false }` [INFO] [stdout] fd6caef294251991b187f9b6e572c7ab11fa0a62d7b7f6d160795f12d458f45e