[INFO] fetching crate read-write-ext 1.0.0...
[INFO] testing read-write-ext-1.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate read-write-ext 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate read-write-ext 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate read-write-ext 1.0.0
[INFO] tweaked toml for crates.io crate read-write-ext 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-write-ext 1.0.0 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 read-write-ext 1.0.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-buffer v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 884e7942aad513b7946be0fd39744239d5e27409ae518e22181a7dbdfdd1dc87
[INFO] running `Command { std: "docker" "start" "-a" "884e7942aad513b7946be0fd39744239d5e27409ae518e22181a7dbdfdd1dc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884e7942aad513b7946be0fd39744239d5e27409ae518e22181a7dbdfdd1dc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884e7942aad513b7946be0fd39744239d5e27409ae518e22181a7dbdfdd1dc87", kill_on_drop: false }`
[INFO] [stdout] 884e7942aad513b7946be0fd39744239d5e27409ae518e22181a7dbdfdd1dc87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1f6f7abd568777bcda5340cb1b6369685eab28b5c0e9e5b3125a102899d02d76
[INFO] running `Command { std: "docker" "start" "-a" "1f6f7abd568777bcda5340cb1b6369685eab28b5c0e9e5b3125a102899d02d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "1f6f7abd568777bcda5340cb1b6369685eab28b5c0e9e5b3125a102899d02d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6f7abd568777bcda5340cb1b6369685eab28b5c0e9e5b3125a102899d02d76", kill_on_drop: false }`
[INFO] [stdout] 1f6f7abd568777bcda5340cb1b6369685eab28b5c0e9e5b3125a102899d02d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a7fbfb5f9323fefc9e04c76774c1902195a5c33d91a6a457cd5a0b04f450a98
[INFO] running `Command { std: "docker" "start" "-a" "7a7fbfb5f9323fefc9e04c76774c1902195a5c33d91a6a457cd5a0b04f450a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-buffer v1.0.0
[INFO] [stderr]    Compiling read-write-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "7a7fbfb5f9323fefc9e04c76774c1902195a5c33d91a6a457cd5a0b04f450a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7fbfb5f9323fefc9e04c76774c1902195a5c33d91a6a457cd5a0b04f450a98", kill_on_drop: false }`
[INFO] [stdout] 7a7fbfb5f9323fefc9e04c76774c1902195a5c33d91a6a457cd5a0b04f450a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 548f680e80cea019492569c1951dd632a0d5e978a0c0484f736bb95c3fbc0654
[INFO] running `Command { std: "docker" "start" "-a" "548f680e80cea019492569c1951dd632a0d5e978a0c0484f736bb95c3fbc0654", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_write_ext-1d285b72b2080756)
[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] [stderr]      Running tests/chain.rs (/opt/rustwide/target/debug/deps/chain-e452409c1f239a3f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running tests/take.rs (/opt/rustwide/target/debug/deps/take-3b66edfa3fe744e1)
[INFO] [stdout] test both_empty ... ok
[INFO] [stdout] test doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test passes_write_through ... ok
[INFO] [stdout] test reads_first_then_second ... ok
[INFO] [stdout] test passes_flush_through ... ok
[INFO] [stdout] test reads_second_when_first_empty ... ok
[INFO] [stdout] test returns_error_from_second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test exactly_len ... ok
[INFO] [stdout] test doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test fewer_than_len ... ok
[INFO] [stdout] test fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test passes_write_through ... ok
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test passes_flush_through ... ok
[INFO] [stdout] test doesnt_read_when_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_utils.rs (/opt/rustwide/target/debug/deps/test_utils-e0f613d5111d1c16)
[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] [stderr]    Doc-tests read_write_ext
[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" "548f680e80cea019492569c1951dd632a0d5e978a0c0484f736bb95c3fbc0654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548f680e80cea019492569c1951dd632a0d5e978a0c0484f736bb95c3fbc0654", kill_on_drop: false }`
[INFO] [stdout] 548f680e80cea019492569c1951dd632a0d5e978a0c0484f736bb95c3fbc0654