[INFO] fetching crate readahead-iterator 0.1.3...
[INFO] testing readahead-iterator-0.1.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate readahead-iterator 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate readahead-iterator 0.1.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate readahead-iterator 0.1.3
[INFO] tweaked toml for crates.io crate readahead-iterator 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate readahead-iterator 0.1.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate readahead-iterator 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79e464f790ba9222c8fc9d84f44dd21e70b4db9ad445767e6c8e2882efbea55
[INFO] running `Command { std: "docker" "start" "-a" "f79e464f790ba9222c8fc9d84f44dd21e70b4db9ad445767e6c8e2882efbea55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79e464f790ba9222c8fc9d84f44dd21e70b4db9ad445767e6c8e2882efbea55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79e464f790ba9222c8fc9d84f44dd21e70b4db9ad445767e6c8e2882efbea55", kill_on_drop: false }`
[INFO] [stdout] f79e464f790ba9222c8fc9d84f44dd21e70b4db9ad445767e6c8e2882efbea55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8974f12216f10e24cef79ef84d2794e2af3b5ac8b963a31b12ec39fc2f782f51
[INFO] running `Command { std: "docker" "start" "-a" "8974f12216f10e24cef79ef84d2794e2af3b5ac8b963a31b12ec39fc2f782f51", kill_on_drop: false }`
[INFO] [stderr]    Compiling readahead-iterator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "8974f12216f10e24cef79ef84d2794e2af3b5ac8b963a31b12ec39fc2f782f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8974f12216f10e24cef79ef84d2794e2af3b5ac8b963a31b12ec39fc2f782f51", kill_on_drop: false }`
[INFO] [stdout] 8974f12216f10e24cef79ef84d2794e2af3b5ac8b963a31b12ec39fc2f782f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c0e749b68fa9383519a9d1495b055b14ccaadde449ef7e42229c0d78bd9bd5f
[INFO] running `Command { std: "docker" "start" "-a" "0c0e749b68fa9383519a9d1495b055b14ccaadde449ef7e42229c0d78bd9bd5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling readahead-iterator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "0c0e749b68fa9383519a9d1495b055b14ccaadde449ef7e42229c0d78bd9bd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0e749b68fa9383519a9d1495b055b14ccaadde449ef7e42229c0d78bd9bd5f", kill_on_drop: false }`
[INFO] [stdout] 0c0e749b68fa9383519a9d1495b055b14ccaadde449ef7e42229c0d78bd9bd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69be65fb6892d905a625daaefdc1136af55c36f0bd8ffdc5471309edc09079db
[INFO] running `Command { std: "docker" "start" "-a" "69be65fb6892d905a625daaefdc1136af55c36f0bd8ffdc5471309edc09079db", 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/readahead_iterator-744f89c9266c7de9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::sender_exits_unexpectedly ... ok
[INFO] [stderr]      Running tests/iterate.rs (/opt/rustwide/target/debug/deps/iterate-77d285879207d49e)
[INFO] [stdout] test test::receiver_doesnt_panic_if_sender_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test unbounded_input ... ok
[INFO] [stdout] test take_more_items ... ok
[INFO] [stdout] test take_exact_count ... ok
[INFO] [stdout] test take_fewer_items ... ok
[INFO] [stdout] test read_past_end ... ok
[INFO] [stdout] test iterate_integers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readahead_iterator
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - IntoReadahead (line 151) ... ok
[INFO] [stdout] test src/lib.rs - Readahead<T>::new (line 91) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69be65fb6892d905a625daaefdc1136af55c36f0bd8ffdc5471309edc09079db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69be65fb6892d905a625daaefdc1136af55c36f0bd8ffdc5471309edc09079db", kill_on_drop: false }`
[INFO] [stdout] 69be65fb6892d905a625daaefdc1136af55c36f0bd8ffdc5471309edc09079db