[INFO] fetching crate gt-bijective_connection_graph 0.1.0...
[INFO] testing gt-bijective_connection_graph-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate gt-bijective_connection_graph 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gt-bijective_connection_graph 0.1.0
[INFO] finished tweaking crates.io crate gt-bijective_connection_graph 0.1.0
[INFO] tweaked toml for crates.io crate gt-bijective_connection_graph 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gt-bijective_connection_graph 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d25784e73dff2bbc4a0151af4707ae6331b4c140f240ebb51491a70c7a906309
[INFO] running `Command { std: "docker" "start" "-a" "d25784e73dff2bbc4a0151af4707ae6331b4c140f240ebb51491a70c7a906309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d25784e73dff2bbc4a0151af4707ae6331b4c140f240ebb51491a70c7a906309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25784e73dff2bbc4a0151af4707ae6331b4c140f240ebb51491a70c7a906309", kill_on_drop: false }`
[INFO] [stdout] d25784e73dff2bbc4a0151af4707ae6331b4c140f240ebb51491a70c7a906309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3b85757ba028d6ba70330ca5f5c49201557f9b4f04eede5979db853826d628
[INFO] running `Command { std: "docker" "start" "-a" "4c3b85757ba028d6ba70330ca5f5c49201557f9b4f04eede5979db853826d628", kill_on_drop: false }`
[INFO] [stderr]    Compiling gt-graph v0.1.1
[INFO] [stderr]    Compiling gt-graph-path v0.1.7
[INFO] [stderr]    Compiling gt-directed-bijective-connection-graph v0.2.3
[INFO] [stderr]    Compiling gt-bijective_connection_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] warning: trait `BijectiveConnectionGraph` is never used
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait BijectiveConnectionGraph {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c3b85757ba028d6ba70330ca5f5c49201557f9b4f04eede5979db853826d628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3b85757ba028d6ba70330ca5f5c49201557f9b4f04eede5979db853826d628", kill_on_drop: false }`
[INFO] [stdout] 4c3b85757ba028d6ba70330ca5f5c49201557f9b4f04eede5979db853826d628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed971a7c44041bbd66c1667d4a3b008ed85418c9f2db6ef9587335d91bce8324
[INFO] running `Command { std: "docker" "start" "-a" "ed971a7c44041bbd66c1667d4a3b008ed85418c9f2db6ef9587335d91bce8324", kill_on_drop: false }`
[INFO] [stderr]    Compiling gt-bijective_connection_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BijectiveConnectionGraph` is never used
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait BijectiveConnectionGraph {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BijectiveConnectionGraph` is never used
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait BijectiveConnectionGraph {}
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ed971a7c44041bbd66c1667d4a3b008ed85418c9f2db6ef9587335d91bce8324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed971a7c44041bbd66c1667d4a3b008ed85418c9f2db6ef9587335d91bce8324", kill_on_drop: false }`
[INFO] [stdout] ed971a7c44041bbd66c1667d4a3b008ed85418c9f2db6ef9587335d91bce8324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2f9cecad35b484158513adcef36ab590753cbc56d54dc7a59168bf87b0f9bba
[INFO] running `Command { std: "docker" "start" "-a" "f2f9cecad35b484158513adcef36ab590753cbc56d54dc7a59168bf87b0f9bba", kill_on_drop: false }`
[INFO] [stderr] warning: trait `BijectiveConnectionGraph` is never used
[INFO] [stderr]  --> src/lib.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait BijectiveConnectionGraph {}
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gt-bijective_connection_graph` (lib) generated 1 warning
[INFO] [stderr] warning: `gt-bijective_connection_graph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gt_bijective_connection_graph-2eb745cf2ba3e119)
[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] [stderr]    Doc-tests gt_bijective_connection_graph
[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" "f2f9cecad35b484158513adcef36ab590753cbc56d54dc7a59168bf87b0f9bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f9cecad35b484158513adcef36ab590753cbc56d54dc7a59168bf87b0f9bba", kill_on_drop: false }`
[INFO] [stdout] f2f9cecad35b484158513adcef36ab590753cbc56d54dc7a59168bf87b0f9bba