[INFO] cloning repository https://github.com/wojtek-kaniak/algo-lab-graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wojtek-kaniak/algo-lab-graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojtek-kaniak%2Falgo-lab-graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojtek-kaniak%2Falgo-lab-graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea6be91aca3e5fdf8f5676eaf1ca29ddac243046
[INFO] checking wojtek-kaniak/algo-lab-graphs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojtek-kaniak%2Falgo-lab-graphs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wojtek-kaniak/algo-lab-graphs on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wojtek-kaniak/algo-lab-graphs
[INFO] finished tweaking git repo https://github.com/wojtek-kaniak/algo-lab-graphs
[INFO] tweaked toml for git repo https://github.com/wojtek-kaniak/algo-lab-graphs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wojtek-kaniak/algo-lab-graphs 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nth-cons-list v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deb02f66dbeade30ffd6357ffceabe832a443726905c416676b021d22d23af00
[INFO] running `Command { std: "docker" "start" "-a" "deb02f66dbeade30ffd6357ffceabe832a443726905c416676b021d22d23af00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb02f66dbeade30ffd6357ffceabe832a443726905c416676b021d22d23af00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb02f66dbeade30ffd6357ffceabe832a443726905c416676b021d22d23af00", kill_on_drop: false }`
[INFO] [stdout] deb02f66dbeade30ffd6357ffceabe832a443726905c416676b021d22d23af00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79084c39ab79bbabff945caad3cb36d62c20e0aaf2297136e93e103f8379fff8
[INFO] running `Command { std: "docker" "start" "-a" "79084c39ab79bbabff945caad3cb36d62c20e0aaf2297136e93e103f8379fff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking nth-cons-list v0.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vertex_count`
[INFO] [stdout]    --> src/algorithms.rs:108:60
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn eulerian_circuit(mut graph: AnyGraph, start: usize, vertex_count: usize) -> Option<Vec<usize>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertex_count`
[INFO] [stdout]    --> src/algorithms.rs:108:60
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn eulerian_circuit(mut graph: AnyGraph, start: usize, vertex_count: usize) -> Option<Vec<usize>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `Command { std: "docker" "inspect" "79084c39ab79bbabff945caad3cb36d62c20e0aaf2297136e93e103f8379fff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79084c39ab79bbabff945caad3cb36d62c20e0aaf2297136e93e103f8379fff8", kill_on_drop: false }`
[INFO] [stdout] 79084c39ab79bbabff945caad3cb36d62c20e0aaf2297136e93e103f8379fff8
[INFO] checking wojtek-kaniak/algo-lab-graphs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojtek-kaniak%2Falgo-lab-graphs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wojtek-kaniak/algo-lab-graphs on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wojtek-kaniak/algo-lab-graphs
[INFO] finished tweaking git repo https://github.com/wojtek-kaniak/algo-lab-graphs
[INFO] tweaked toml for git repo https://github.com/wojtek-kaniak/algo-lab-graphs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wojtek-kaniak/algo-lab-graphs 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11abe4029fe2d1ef9316925d5f18cdf8e6f0f91b700c5d4a66da6bdc68424536
[INFO] running `Command { std: "docker" "start" "-a" "11abe4029fe2d1ef9316925d5f18cdf8e6f0f91b700c5d4a66da6bdc68424536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11abe4029fe2d1ef9316925d5f18cdf8e6f0f91b700c5d4a66da6bdc68424536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11abe4029fe2d1ef9316925d5f18cdf8e6f0f91b700c5d4a66da6bdc68424536", kill_on_drop: false }`
[INFO] [stdout] 11abe4029fe2d1ef9316925d5f18cdf8e6f0f91b700c5d4a66da6bdc68424536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abfdff672d69e922b4e33617006e0642125acf0614f277e39f5956d93f4ea751
[INFO] running `Command { std: "docker" "start" "-a" "abfdff672d69e922b4e33617006e0642125acf0614f277e39f5956d93f4ea751", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking nth-cons-list v0.1.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vertex_count`
[INFO] [stdout]    --> src/algorithms.rs:108:60
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn eulerian_circuit(mut graph: AnyGraph, start: usize, vertex_count: usize) -> Option<Vec<usize>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertex_count`
[INFO] [stdout]    --> src/algorithms.rs:108:60
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn eulerian_circuit(mut graph: AnyGraph, start: usize, vertex_count: usize) -> Option<Vec<usize>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `Command { std: "docker" "inspect" "abfdff672d69e922b4e33617006e0642125acf0614f277e39f5956d93f4ea751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfdff672d69e922b4e33617006e0642125acf0614f277e39f5956d93f4ea751", kill_on_drop: false }`
[INFO] [stdout] abfdff672d69e922b4e33617006e0642125acf0614f277e39f5956d93f4ea751