[INFO] fetching crate buffer-redux 1.1.0...
[INFO] testing buffer-redux-1.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate buffer-redux 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate buffer-redux 1.1.0
[INFO] finished tweaking crates.io crate buffer-redux 1.1.0
[INFO] tweaked toml for crates.io crate buffer-redux 1.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffer-redux 1.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate buffer-redux 1.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d458b1c2bb42eaf8f0fdefcc2af0b088979a29287e848c0d9575bb26f476043f
[INFO] running `Command { std: "docker" "start" "-a" "d458b1c2bb42eaf8f0fdefcc2af0b088979a29287e848c0d9575bb26f476043f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d458b1c2bb42eaf8f0fdefcc2af0b088979a29287e848c0d9575bb26f476043f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d458b1c2bb42eaf8f0fdefcc2af0b088979a29287e848c0d9575bb26f476043f", kill_on_drop: false }`
[INFO] [stdout] d458b1c2bb42eaf8f0fdefcc2af0b088979a29287e848c0d9575bb26f476043f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a379d186da55052b7950fee2e9ebec44aa462754a9379b086babb07ed6cad035
[INFO] running `Command { std: "docker" "start" "-a" "a379d186da55052b7950fee2e9ebec44aa462754a9379b086babb07ed6cad035", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling slice-ring-buffer v0.3.4
[INFO] [stderr]    Compiling buffer-redux v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "a379d186da55052b7950fee2e9ebec44aa462754a9379b086babb07ed6cad035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a379d186da55052b7950fee2e9ebec44aa462754a9379b086babb07ed6cad035", kill_on_drop: false }`
[INFO] [stdout] a379d186da55052b7950fee2e9ebec44aa462754a9379b086babb07ed6cad035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c487102563200a3bd21880174761d40879aef67462af9b084782212eac66a34d
[INFO] running `Command { std: "docker" "start" "-a" "c487102563200a3bd21880174761d40879aef67462af9b084782212eac66a34d", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffer-redux v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c487102563200a3bd21880174761d40879aef67462af9b084782212eac66a34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c487102563200a3bd21880174761d40879aef67462af9b084782212eac66a34d", kill_on_drop: false }`
[INFO] [stdout] c487102563200a3bd21880174761d40879aef67462af9b084782212eac66a34d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] beb8c0c304fc25787a6b3e8c8095ddab8e4e4c4afef77b8a2391a9f0b01eed40
[INFO] running `Command { std: "docker" "start" "-a" "beb8c0c304fc25787a6b3e8c8095ddab8e4e4c4afef77b8a2391a9f0b01eed40", 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/buffer_redux-1dc48ef6869cd2e7)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test buffer::std_buf::read_into_full ... ok
[INFO] [stdout] test policy::test::test_flush_exact ... ok
[INFO] [stdout] test policy::test::test_flush_on ... ok
[INFO] [stdout] test policy::test::test_min_buffered ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader ... ok
[INFO] [stdout] test ringbuf_tests::test_read_until ... ok
[INFO] [stdout] test std_tests::test_buf_writer_drops_once ... ok
[INFO] [stdout] test ringbuf_tests::test_short_reads ... ok
[INFO] [stdout] test std_tests::test_buffered_reader ... ok
[INFO] [stdout] test std_tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test std_tests::test_buffered_writer ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test ringbuf_tests::test_buffer_with_cap ... ok
[INFO] [stdout] test ringbuf_tests::test_lines ... ok
[INFO] [stdout] test std_tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test std_tests::test_buffered_writer_seek ... ok
[INFO] [stdout] test std_tests::test_read_line ... ok
[INFO] [stdout] test std_tests::test_read_until ... ok
[INFO] [stdout] test std_tests::test_buffered_writer_inner_flushes ... ok
[INFO] [stdout] test ringbuf_tests::test_read_line ... ok
[INFO] [stdout] test policy::test::test_flush_at_least ... ok
[INFO] [stdout] test ringbuf_tests::test_mirror_boundary ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test ringbuf_tests::issue_8 ... ok
[INFO] [stdout] test ringbuf_tests::test_buffer_new ... ok
[INFO] [stdout] test std_tests::test_line_buffer ... ok
[INFO] [stdout] test std_tests::test_lines ... ok
[INFO] [stderr]    Doc-tests buffer_redux
[INFO] [stdout] test std_tests::test_short_reads ... ok
[INFO] [stdout] test policy::test::test_flush_on_newline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/policy.rs - policy::MinBuffered (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "beb8c0c304fc25787a6b3e8c8095ddab8e4e4c4afef77b8a2391a9f0b01eed40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb8c0c304fc25787a6b3e8c8095ddab8e4e4c4afef77b8a2391a9f0b01eed40", kill_on_drop: false }`
[INFO] [stdout] beb8c0c304fc25787a6b3e8c8095ddab8e4e4c4afef77b8a2391a9f0b01eed40