[INFO] fetching crate concurrent-slice 0.1.0...
[INFO] testing concurrent-slice-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate concurrent-slice 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate concurrent-slice 0.1.0
[INFO] finished tweaking crates.io crate concurrent-slice 0.1.0
[INFO] tweaked toml for crates.io crate concurrent-slice 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate concurrent-slice 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1542848cbb50da6bc3fced14ccaf62bdc99d86bea64b1c665bdbc44ea72410
[INFO] running `Command { std: "docker" "start" "-a" "3c1542848cbb50da6bc3fced14ccaf62bdc99d86bea64b1c665bdbc44ea72410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1542848cbb50da6bc3fced14ccaf62bdc99d86bea64b1c665bdbc44ea72410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1542848cbb50da6bc3fced14ccaf62bdc99d86bea64b1c665bdbc44ea72410", kill_on_drop: false }`
[INFO] [stdout] 3c1542848cbb50da6bc3fced14ccaf62bdc99d86bea64b1c665bdbc44ea72410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c07bc0aa3b55032c12f07d5382ca4eb3bbec732c172fe1a69d375ce4625bae7
[INFO] running `Command { std: "docker" "start" "-a" "4c07bc0aa3b55032c12f07d5382ca4eb3bbec732c172fe1a69d375ce4625bae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling concurrent-slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/common.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr::{self, NonNull},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4c07bc0aa3b55032c12f07d5382ca4eb3bbec732c172fe1a69d375ce4625bae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c07bc0aa3b55032c12f07d5382ca4eb3bbec732c172fe1a69d375ce4625bae7", kill_on_drop: false }`
[INFO] [stdout] 4c07bc0aa3b55032c12f07d5382ca4eb3bbec732c172fe1a69d375ce4625bae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cfb5a22bdde789182728741a75b6898563e265e9fa49eae0afd814c4b47d8dd
[INFO] running `Command { std: "docker" "start" "-a" "6cfb5a22bdde789182728741a75b6898563e265e9fa49eae0afd814c4b47d8dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/common.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr::{self, NonNull},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling concurrent-slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/common.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr::{self, NonNull},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "6cfb5a22bdde789182728741a75b6898563e265e9fa49eae0afd814c4b47d8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfb5a22bdde789182728741a75b6898563e265e9fa49eae0afd814c4b47d8dd", kill_on_drop: false }`
[INFO] [stdout] 6cfb5a22bdde789182728741a75b6898563e265e9fa49eae0afd814c4b47d8dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9e48fce9855c854851a60f076d986da1cfe1e821105b2ed4fde5f677fe170fa
[INFO] running `Command { std: "docker" "start" "-a" "b9e48fce9855c854851a60f076d986da1cfe1e821105b2ed4fde5f677fe170fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/common.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ptr::{self, NonNull},
[INFO] [stderr]   |           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `concurrent-slice` (lib) generated 1 warning (run `cargo fix --lib -p concurrent-slice` to apply 1 suggestion)
[INFO] [stderr] warning: `concurrent-slice` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrent_slice-4e1a06737cd26fbe)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::concat_chunks_test ... ok
[INFO] [stdout] test tests::concurrent_chunks_test ... ok
[INFO] [stdout] test tests::merge_chunks_test ... ok
[INFO] [stdout] test tests::owning_iter_test ... ok
[INFO] [stdout] test tests::split_at_test ... ok
[INFO] [stdout] test tests::empty_concurrent_chunks_test ... ok
[INFO] [stdout] test tests::chunks_of_chunk_test ... ok
[INFO] [stderr]    Doc-tests concurrent_slice
[INFO] [stdout] test tests::owning_windows_test ... 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] [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" "b9e48fce9855c854851a60f076d986da1cfe1e821105b2ed4fde5f677fe170fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e48fce9855c854851a60f076d986da1cfe1e821105b2ed4fde5f677fe170fa", kill_on_drop: false }`
[INFO] [stdout] b9e48fce9855c854851a60f076d986da1cfe1e821105b2ed4fde5f677fe170fa