[INFO] fetching crate dihedral 0.0.4...
[INFO] testing dihedral-0.0.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dihedral 0.0.4 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate dihedral 0.0.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dihedral 0.0.4
[INFO] finished tweaking crates.io crate dihedral 0.0.4
[INFO] tweaked toml for crates.io crate dihedral 0.0.4 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate dihedral 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71283add9e8bf6c9ffef416084781b033bfe1803445ac68a3232afbb94bbd427
[INFO] running `Command { std: "docker" "start" "-a" "71283add9e8bf6c9ffef416084781b033bfe1803445ac68a3232afbb94bbd427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71283add9e8bf6c9ffef416084781b033bfe1803445ac68a3232afbb94bbd427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71283add9e8bf6c9ffef416084781b033bfe1803445ac68a3232afbb94bbd427", kill_on_drop: false }`
[INFO] [stdout] 71283add9e8bf6c9ffef416084781b033bfe1803445ac68a3232afbb94bbd427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cbb624707a55b2a06c60f5c810b73937e7a2d3c5a0644f0ee34b456ad2aa85
[INFO] running `Command { std: "docker" "start" "-a" "27cbb624707a55b2a06c60f5c810b73937e7a2d3c5a0644f0ee34b456ad2aa85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dihedral v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "27cbb624707a55b2a06c60f5c810b73937e7a2d3c5a0644f0ee34b456ad2aa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cbb624707a55b2a06c60f5c810b73937e7a2d3c5a0644f0ee34b456ad2aa85", kill_on_drop: false }`
[INFO] [stdout] 27cbb624707a55b2a06c60f5c810b73937e7a2d3c5a0644f0ee34b456ad2aa85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c782a6e1091acd884f518a87ead2aa8b4f4ca18844b23c2e4b4cb8041c317e4
[INFO] running `Command { std: "docker" "start" "-a" "6c782a6e1091acd884f518a87ead2aa8b4f4ca18844b23c2e4b4cb8041c317e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dihedral v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]   --> examples/atom2angle.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let seq = vec![P0, P1, P2, P3, P4, P5, P6, P7];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "6c782a6e1091acd884f518a87ead2aa8b4f4ca18844b23c2e4b4cb8041c317e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c782a6e1091acd884f518a87ead2aa8b4f4ca18844b23c2e4b4cb8041c317e4", kill_on_drop: false }`
[INFO] [stdout] 6c782a6e1091acd884f518a87ead2aa8b4f4ca18844b23c2e4b4cb8041c317e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33cf0ed610fa9bd6e2b1746e13652c117b2d276fe714f2a368094b95ffe55acb
[INFO] running `Command { std: "docker" "start" "-a" "33cf0ed610fa9bd6e2b1746e13652c117b2d276fe714f2a368094b95ffe55acb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `seq`
[INFO] [stderr]   --> examples/atom2angle.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let seq = vec![P0, P1, P2, P3, P4, P5, P6, P7];
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dihedral` (example "atom2angle") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dihedral-cc0a464da169d5ed)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_dihedral ... ok
[INFO] [stdout] test tests::test_dihedral_unsigned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dihedral
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - dihedral (line 32) ... ok
[INFO] [stdout] test src/lib.rs - dihedral_unsigned (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33cf0ed610fa9bd6e2b1746e13652c117b2d276fe714f2a368094b95ffe55acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cf0ed610fa9bd6e2b1746e13652c117b2d276fe714f2a368094b95ffe55acb", kill_on_drop: false }`
[INFO] [stdout] 33cf0ed610fa9bd6e2b1746e13652c117b2d276fe714f2a368094b95ffe55acb