[INFO] fetching crate io-streams 0.4.3...
[INFO] testing io-streams-0.4.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate io-streams 0.4.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate io-streams 0.4.3 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-streams 0.4.3
[INFO] finished tweaking crates.io crate io-streams 0.4.3
[INFO] tweaked toml for crates.io crate io-streams 0.4.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate io-streams 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded system-interface v0.6.6
[INFO] [stderr]   Downloaded cap-fs-ext v0.13.10
[INFO] [stderr]   Downloaded utf8-io v0.4.1
[INFO] [stderr]   Downloaded char-device v0.4.0
[INFO] [stderr]   Downloaded terminal-io v0.4.0
[INFO] [stderr]   Downloaded posish v0.7.1
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded winx v0.25.0
[INFO] [stderr]   Downloaded layered-io v0.5.2
[INFO] [stderr]   Downloaded io-lifetimes v0.1.1
[INFO] [stderr]   Downloaded fs-set-times v0.3.1
[INFO] [stderr]   Downloaded cap-std v0.13.10
[INFO] [stderr]   Downloaded cap-primitives v0.14.0
[INFO] [stderr]   Downloaded tokio v1.7.0
[INFO] [stderr]   Downloaded ambient-authority v0.0.0
[INFO] [stderr]   Downloaded cap-std v0.14.0
[INFO] [stderr]   Downloaded cap-tempfile v0.14.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.0
[INFO] [stderr]   Downloaded posish v0.6.3
[INFO] [stderr]   Downloaded cap-primitives v0.13.10
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded socketpair v0.7.0
[INFO] [stderr]   Downloaded unsafe-io v0.6.9
[INFO] [stderr]   Downloaded duplex v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 427eddb28e29f7731129822796a7f52df38e1b71f41b2f919ac8e15bf98e2af0
[INFO] running `Command { std: "docker" "start" "-a" "427eddb28e29f7731129822796a7f52df38e1b71f41b2f919ac8e15bf98e2af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "427eddb28e29f7731129822796a7f52df38e1b71f41b2f919ac8e15bf98e2af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427eddb28e29f7731129822796a7f52df38e1b71f41b2f919ac8e15bf98e2af0", kill_on_drop: false }`
[INFO] [stdout] 427eddb28e29f7731129822796a7f52df38e1b71f41b2f919ac8e15bf98e2af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3148c3908d48721dbe3b26d5fe9274579ce98ed3a4b627581fd31decfb2824
[INFO] running `Command { std: "docker" "start" "-a" "aa3148c3908d48721dbe3b26d5fe9274579ce98ed3a4b627581fd31decfb2824", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling posish v0.7.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v0.1.1
[INFO] [stderr]    Compiling system-interface v0.6.6
[INFO] [stderr]    Compiling io-streams v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.6.9
[INFO] [stderr]    Compiling socketpair v0.7.0
[INFO] [stderr]    Compiling char-device v0.4.0
[INFO] [stderr]    Compiling posish v0.6.3
[INFO] [stderr]    Compiling duplex v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "aa3148c3908d48721dbe3b26d5fe9274579ce98ed3a4b627581fd31decfb2824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3148c3908d48721dbe3b26d5fe9274579ce98ed3a4b627581fd31decfb2824", kill_on_drop: false }`
[INFO] [stdout] aa3148c3908d48721dbe3b26d5fe9274579ce98ed3a4b627581fd31decfb2824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96802422cbd56d3b1274243fdeefee99f181e82042dc4f7ee922dafdce81b231
[INFO] running `Command { std: "docker" "start" "-a" "96802422cbd56d3b1274243fdeefee99f181e82042dc4f7ee922dafdce81b231", kill_on_drop: false }`
[INFO] [stderr]    Compiling ambient-authority v0.0.0
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cap-primitives v0.14.0
[INFO] [stderr]    Compiling cap-std v0.14.0
[INFO] [stderr]    Compiling fs-set-times v0.3.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling cap-tempfile v0.14.0
[INFO] [stderr]    Compiling io-streams v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "96802422cbd56d3b1274243fdeefee99f181e82042dc4f7ee922dafdce81b231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96802422cbd56d3b1274243fdeefee99f181e82042dc4f7ee922dafdce81b231", kill_on_drop: false }`
[INFO] [stdout] 96802422cbd56d3b1274243fdeefee99f181e82042dc4f7ee922dafdce81b231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96b53bd7257d261b04502cd5779c26f94661983e6557be8e915df311d02e05e5
[INFO] running `Command { std: "docker" "start" "-a" "96b53bd7257d261b04502cd5779c26f94661983e6557be8e915df311d02e05e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_streams-156223bc7612bece)
[INFO] [stderr]      Running tests/buffered.rs (/opt/rustwide/target/debug/deps/buffered-04e7e4d19a8d1500)
[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] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test erroneous_flush_retried ... ok
[INFO] [stdout] test line_buffer_write0_normal ... ok
[INFO] [stdout] test line_vectored_partial_and_errors ... ok
[INFO] [stdout] test line_buffer_write0_error ... ok
[INFO] [stdout] test line_long_tail_not_flushed ... ok
[INFO] [stdout] test line_vectored_ignored ... ok
[INFO] [stdout] test long_line_flushed ... ok
[INFO] [stdout] test line_write_all ... ok
[INFO] [stdout] test line_write_all_error ... ok
[INFO] [stdout] test partial_write_buffers_line ... ok
[INFO] [stdout] test test_buffered_reader_invalidated_after_read ... ok
[INFO] [stdout] test test_buffered_writer ... ok
[INFO] [stdout] test test_buffered_writer_inner_flushes ... ok
[INFO] [stdout] test test_line_buffer ... ok
[INFO] [stdout] test test_lines ... ok
[INFO] [stdout] test test_read_until ... ok
[INFO] [stdout] test test_short_reads ... ok
[INFO] [stdout] test partial_multiline_buffering ... ok
[INFO] [stdout] test partial_line_buffered_after_line_write ... ok
[INFO] [stdout] test line_vectored ... ok
[INFO] [stdout] test partial_multiline_buffering_without_full_line ... ok
[INFO] [stdout] test single_formatted_write ... ok
[INFO] [stdout] test test_read_line ... ok
[INFO] [stdout] test test_buffered_reader ... ok
[INFO] [stdout] test dont_panic_in_drop_on_panicked_flush - should panic ... ok
[INFO] [stdout] test panic_in_write_doesnt_flush_in_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-204cd14e7b2397f7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_null_input ... ok
[INFO] [stdout] test test_null_output ... ok
[INFO] [stdout] test test_null_duplex ... ok
[INFO] [stderr]    Doc-tests io-streams
[INFO] [stdout] test test_copy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 94) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter<Inner>::get_mut (line 177) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::new (line 138) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 78) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::reader_buffer (line 235) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::into_inner (line 308) - compile ... ok
[INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError (line 30) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::get_ref (line 175) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter<Inner>::into_inner (line 205) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::get_mut (line 195) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::writer_buffer (line 213) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::reader_capacity (line 279) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::with_capacities (line 157) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 64) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter<Inner>::new (line 106) - compile ... ok
[INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError<W>::into_inner (line 106) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter<Inner>::get_ref (line 153) - compile ... ok
[INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer<Inner>::writer_capacity (line 259) - compile ... ok
[INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError<W>::error (line 72) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter<Inner>::with_capacities (line 128) - compile ... ok
[INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter (line 43) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96b53bd7257d261b04502cd5779c26f94661983e6557be8e915df311d02e05e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b53bd7257d261b04502cd5779c26f94661983e6557be8e915df311d02e05e5", kill_on_drop: false }`
[INFO] [stdout] 96b53bd7257d261b04502cd5779c26f94661983e6557be8e915df311d02e05e5