[INFO] fetching crate binomial-iter 0.1.0...
[INFO] testing binomial-iter-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate binomial-iter 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate binomial-iter 0.1.0 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 binomial-iter 0.1.0
[INFO] finished tweaking crates.io crate binomial-iter 0.1.0
[INFO] tweaked toml for crates.io crate binomial-iter 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b68e22605bd5a42773eb062cec9dc6cb155a8211d6ec75af10d925c22de56e4c
[INFO] running `Command { std: "docker" "start" "-a" "b68e22605bd5a42773eb062cec9dc6cb155a8211d6ec75af10d925c22de56e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68e22605bd5a42773eb062cec9dc6cb155a8211d6ec75af10d925c22de56e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68e22605bd5a42773eb062cec9dc6cb155a8211d6ec75af10d925c22de56e4c", kill_on_drop: false }`
[INFO] [stdout] b68e22605bd5a42773eb062cec9dc6cb155a8211d6ec75af10d925c22de56e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3d5822bb3f5f95f971726754d9db7a965c6296ca47d282b3a32c4a68757e3b20
[INFO] running `Command { std: "docker" "start" "-a" "3d5822bb3f5f95f971726754d9db7a965c6296ca47d282b3a32c4a68757e3b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "3d5822bb3f5f95f971726754d9db7a965c6296ca47d282b3a32c4a68757e3b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5822bb3f5f95f971726754d9db7a965c6296ca47d282b3a32c4a68757e3b20", kill_on_drop: false }`
[INFO] [stdout] 3d5822bb3f5f95f971726754d9db7a965c6296ca47d282b3a32c4a68757e3b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3167a8eafefa742b1ef67e1af834a9a10930bf1ce5239eb3e0ae730ec769875b
[INFO] running `Command { std: "docker" "start" "-a" "3167a8eafefa742b1ef67e1af834a9a10930bf1ce5239eb3e0ae730ec769875b", kill_on_drop: false }`
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `n_iter`
[INFO] [stdout]  --> src/test.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn n_iter() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "3167a8eafefa742b1ef67e1af834a9a10930bf1ce5239eb3e0ae730ec769875b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3167a8eafefa742b1ef67e1af834a9a10930bf1ce5239eb3e0ae730ec769875b", kill_on_drop: false }`
[INFO] [stdout] 3167a8eafefa742b1ef67e1af834a9a10930bf1ce5239eb3e0ae730ec769875b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 07cf3afc217ac3be7812d2baae4fd7b0c20b08873a1b1b41b0643922e478d13a
[INFO] running `Command { std: "docker" "start" "-a" "07cf3afc217ac3be7812d2baae4fd7b0c20b08873a1b1b41b0643922e478d13a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `n_iter`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/test.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn n_iter() {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binomial-iter` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binomial_iter-122139af9185649d)
[INFO] [stdout] test test::k_iter ... ok
[INFO] [stderr]    Doc-tests binomial-iter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "07cf3afc217ac3be7812d2baae4fd7b0c20b08873a1b1b41b0643922e478d13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cf3afc217ac3be7812d2baae4fd7b0c20b08873a1b1b41b0643922e478d13a", kill_on_drop: false }`
[INFO] [stdout] 07cf3afc217ac3be7812d2baae4fd7b0c20b08873a1b1b41b0643922e478d13a