[INFO] fetching crate head-tail-iter 1.0.1...
[INFO] testing head-tail-iter-1.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate head-tail-iter 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate head-tail-iter 1.0.1
[INFO] finished tweaking crates.io crate head-tail-iter 1.0.1
[INFO] tweaked toml for crates.io crate head-tail-iter 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate head-tail-iter 1.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8f193dd8ae670660cad141bff406d7ebe337bec3050ab40ba6b756bc2d49df9
[INFO] running `Command { std: "docker" "start" "-a" "e8f193dd8ae670660cad141bff406d7ebe337bec3050ab40ba6b756bc2d49df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f193dd8ae670660cad141bff406d7ebe337bec3050ab40ba6b756bc2d49df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f193dd8ae670660cad141bff406d7ebe337bec3050ab40ba6b756bc2d49df9", kill_on_drop: false }`
[INFO] [stdout] e8f193dd8ae670660cad141bff406d7ebe337bec3050ab40ba6b756bc2d49df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34f88c3029a19cc3a06447f1e74fd74ca72e69c6ce8d72c34aac7223452b02a
[INFO] running `Command { std: "docker" "start" "-a" "e34f88c3029a19cc3a06447f1e74fd74ca72e69c6ce8d72c34aac7223452b02a", kill_on_drop: false }`
[INFO] [stderr]    Compiling head-tail-iter v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e34f88c3029a19cc3a06447f1e74fd74ca72e69c6ce8d72c34aac7223452b02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34f88c3029a19cc3a06447f1e74fd74ca72e69c6ce8d72c34aac7223452b02a", kill_on_drop: false }`
[INFO] [stdout] e34f88c3029a19cc3a06447f1e74fd74ca72e69c6ce8d72c34aac7223452b02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ced6164d76e28cf7da1edac3e2ac6d80f28ce87d4c645065c522fac8da6698
[INFO] running `Command { std: "docker" "start" "-a" "71ced6164d76e28cf7da1edac3e2ac6d80f28ce87d4c645065c522fac8da6698", kill_on_drop: false }`
[INFO] [stderr]    Compiling head-tail-iter v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "71ced6164d76e28cf7da1edac3e2ac6d80f28ce87d4c645065c522fac8da6698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ced6164d76e28cf7da1edac3e2ac6d80f28ce87d4c645065c522fac8da6698", kill_on_drop: false }`
[INFO] [stdout] 71ced6164d76e28cf7da1edac3e2ac6d80f28ce87d4c645065c522fac8da6698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92fa65cf8e11cfe670c5be75a5fa74336d27aee119a47058418f113d9559dab3
[INFO] running `Command { std: "docker" "start" "-a" "92fa65cf8e11cfe670c5be75a5fa74336d27aee119a47058418f113d9559dab3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/head_tail_iter-c38c741420b2c6a2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::count ... ok
[INFO] [stdout] test tests::from ... ok
[INFO] [stdout] test tests::head_tail_pairs ... ok
[INFO] [stdout] test tests::fused ... ok
[INFO] [stdout] test tests::last ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::size_hint_and_exact_size ... ok
[INFO] [stdout] test tests::nth ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests head_tail_iter
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - HeadTailIterator::head_tail_pairs (line 96) ... ok
[INFO] [stdout] test src/lib.rs - HeadTailIter (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92fa65cf8e11cfe670c5be75a5fa74336d27aee119a47058418f113d9559dab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92fa65cf8e11cfe670c5be75a5fa74336d27aee119a47058418f113d9559dab3", kill_on_drop: false }`
[INFO] [stdout] 92fa65cf8e11cfe670c5be75a5fa74336d27aee119a47058418f113d9559dab3