[INFO] fetching crate fff-grep 0.4.3-nightly.cbf260d...
[INFO] testing fff-grep-0.4.3-nightly.cbf260d against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fff-grep 0.4.3-nightly.cbf260d into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fff-grep 0.4.3-nightly.cbf260d
[INFO] finished tweaking crates.io crate fff-grep 0.4.3-nightly.cbf260d
[INFO] tweaked toml for crates.io crate fff-grep 0.4.3-nightly.cbf260d written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fff-grep 0.4.3-nightly.cbf260d 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 fff-grep 0.4.3-nightly.cbf260d 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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d811ef16a4ef9dfcb547457208926885440f7660ad89b345a78e2aacca11a2d
[INFO] running `Command { std: "docker" "start" "-a" "7d811ef16a4ef9dfcb547457208926885440f7660ad89b345a78e2aacca11a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d811ef16a4ef9dfcb547457208926885440f7660ad89b345a78e2aacca11a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d811ef16a4ef9dfcb547457208926885440f7660ad89b345a78e2aacca11a2d", kill_on_drop: false }`
[INFO] [stdout] 7d811ef16a4ef9dfcb547457208926885440f7660ad89b345a78e2aacca11a2d
[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=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] ed4b758ab4c4d8ef6e6dffb5e30dc092eebfffc8f48da33eff67c6a0de5aed19
[INFO] running `Command { std: "docker" "start" "-a" "ed4b758ab4c4d8ef6e6dffb5e30dc092eebfffc8f48da33eff67c6a0de5aed19", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling fff-grep v0.4.3-nightly.cbf260d (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "ed4b758ab4c4d8ef6e6dffb5e30dc092eebfffc8f48da33eff67c6a0de5aed19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4b758ab4c4d8ef6e6dffb5e30dc092eebfffc8f48da33eff67c6a0de5aed19", kill_on_drop: false }`
[INFO] [stdout] ed4b758ab4c4d8ef6e6dffb5e30dc092eebfffc8f48da33eff67c6a0de5aed19
[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=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] f6e859ce3071b075de8c36e094ffddea743433d81c7d7c59b29a7cf0107f6e20
[INFO] running `Command { std: "docker" "start" "-a" "f6e859ce3071b075de8c36e094ffddea743433d81c7d7c59b29a7cf0107f6e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling fff-grep v0.4.3-nightly.cbf260d (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f6e859ce3071b075de8c36e094ffddea743433d81c7d7c59b29a7cf0107f6e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e859ce3071b075de8c36e094ffddea743433d81c7d7c59b29a7cf0107f6e20", kill_on_drop: false }`
[INFO] [stdout] f6e859ce3071b075de8c36e094ffddea743433d81c7d7c59b29a7cf0107f6e20
[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=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] 0199608739e491895981132b1b56503dc734cb3908f9965991eadd245cf799cd
[INFO] running `Command { std: "docker" "start" "-a" "0199608739e491895981132b1b56503dc734cb3908f9965991eadd245cf799cd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fff_grep-0ffc399edb7bd365)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lines::tests::line_locate ... ok
[INFO] [stdout] test lines::tests::line_count ... ok
[INFO] [stdout] test lines::tests::line_locate_weird ... ok
[INFO] [stdout] test lines::tests::line_iter_empty ... ok
[INFO] [stdout] test lines::tests::line_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fff_grep
[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" "0199608739e491895981132b1b56503dc734cb3908f9965991eadd245cf799cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0199608739e491895981132b1b56503dc734cb3908f9965991eadd245cf799cd", kill_on_drop: false }`
[INFO] [stdout] 0199608739e491895981132b1b56503dc734cb3908f9965991eadd245cf799cd