[INFO] fetching crate io-streams 0.5.0... [INFO] testing io-streams-0.5.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate io-streams 0.5.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate io-streams 0.5.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate io-streams 0.5.0 [INFO] finished tweaking crates.io crate io-streams 0.5.0 [INFO] tweaked toml for crates.io crate io-streams 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate io-streams 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unsafe-io v0.7.1 [INFO] [stderr] Downloaded cap-primitives v0.16.3 [INFO] [stderr] Downloaded maybe-owned v0.3.4 [INFO] [stderr] Downloaded ambient-authority v0.0.1 [INFO] [stderr] Downloaded char-device v0.5.1 [INFO] [stderr] Downloaded cap-tempfile v0.16.3 [INFO] [stderr] Downloaded cap-fs-ext v0.16.3 [INFO] [stderr] Downloaded winx v0.27.0 [INFO] [stderr] Downloaded cstr v0.2.8 [INFO] [stderr] Downloaded io-lifetimes v0.2.0 [INFO] [stderr] Downloaded posish v0.16.4 [INFO] [stderr] Downloaded linux-raw-sys v0.0.17 [INFO] [stderr] Downloaded socketpair v0.8.1 [INFO] [stderr] Downloaded os_pipe v0.9.2 [INFO] [stderr] Downloaded fs-set-times v0.6.0 [INFO] [stderr] Downloaded system-interface v0.9.0 [INFO] [stderr] Downloaded cap-std v0.16.3 [INFO] [stderr] Downloaded duplex v0.5.0 [INFO] [stderr] Downloaded utf8-io v0.5.0 [INFO] [stderr] Downloaded terminal-io v0.5.0 [INFO] [stderr] Downloaded layered-io v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3279087b52a04eacaf6b9dda7b20636cf69aac9df00211c83937167e84c23e37 [INFO] running `Command { std: "docker" "start" "-a" "3279087b52a04eacaf6b9dda7b20636cf69aac9df00211c83937167e84c23e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3279087b52a04eacaf6b9dda7b20636cf69aac9df00211c83937167e84c23e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3279087b52a04eacaf6b9dda7b20636cf69aac9df00211c83937167e84c23e37", kill_on_drop: false }` [INFO] [stdout] 3279087b52a04eacaf6b9dda7b20636cf69aac9df00211c83937167e84c23e37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20d608bb886749df23a11d9713cc3fd121690836b015ec8efaff194f4e568c10 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "20d608bb886749df23a11d9713cc3fd121690836b015ec8efaff194f4e568c10", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.3 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling linux-raw-sys v0.0.17 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling io-lifetimes v0.2.0 [INFO] [stderr] Compiling unsafe-io v0.7.1 [INFO] [stderr] Compiling socketpair v0.8.1 [INFO] [stderr] Compiling char-device v0.5.1 [INFO] [stderr] Compiling system-interface v0.9.0 [INFO] [stderr] Compiling io-streams v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling posish v0.16.4 [INFO] [stderr] Compiling cstr v0.2.8 [INFO] [stderr] Compiling os_pipe v0.9.2 [INFO] [stderr] Compiling duplex v0.5.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.31s [INFO] running `Command { std: "docker" "inspect" "20d608bb886749df23a11d9713cc3fd121690836b015ec8efaff194f4e568c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20d608bb886749df23a11d9713cc3fd121690836b015ec8efaff194f4e568c10", kill_on_drop: false }` [INFO] [stdout] 20d608bb886749df23a11d9713cc3fd121690836b015ec8efaff194f4e568c10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9500a79a395af3c621e375656bcc5dd9527e1d44454c8a4febd36ca30682e2c6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9500a79a395af3c621e375656bcc5dd9527e1d44454c8a4febd36ca30682e2c6", kill_on_drop: false }` [INFO] [stderr] Compiling ipnet v2.3.1 [INFO] [stderr] Compiling ambient-authority v0.0.1 [INFO] [stderr] Compiling maybe-owned v0.3.4 [INFO] [stderr] Compiling cap-primitives v0.16.3 [INFO] [stderr] Compiling cap-std v0.16.3 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling fs-set-times v0.6.0 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling cap-tempfile v0.16.3 [INFO] [stderr] Compiling io-streams v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `Command { std: "docker" "inspect" "9500a79a395af3c621e375656bcc5dd9527e1d44454c8a4febd36ca30682e2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9500a79a395af3c621e375656bcc5dd9527e1d44454c8a4febd36ca30682e2c6", kill_on_drop: false }` [INFO] [stdout] 9500a79a395af3c621e375656bcc5dd9527e1d44454c8a4febd36ca30682e2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c5831e514cbffdbdb4468ae2f507a59a9e4dc4ba4107f6acf47733568c033ae6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c5831e514cbffdbdb4468ae2f507a59a9e4dc4ba4107f6acf47733568c033ae6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/io_streams-ad894b22b8081694) [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/buffered.rs (/opt/rustwide/target/debug/deps/buffered-4ddaf3b7d5d7f526) [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test line_buffer_write0_error ... ok [INFO] [stdout] test line_buffer_write0_normal ... ok [INFO] [stdout] test line_long_tail_not_flushed ... ok [INFO] [stdout] test line_vectored ... ok [INFO] [stdout] test line_vectored_ignored ... ok [INFO] [stdout] test line_write_all_error ... ok [INFO] [stdout] test line_vectored_partial_and_errors ... ok [INFO] [stdout] test long_line_flushed ... ok [INFO] [stdout] test line_write_all ... ok [INFO] [stdout] test partial_line_buffered_after_line_write ... ok [INFO] [stdout] test erroneous_flush_retried ... ok [INFO] [stdout] test partial_multiline_buffering ... ok [INFO] [stdout] test partial_multiline_buffering_without_full_line ... ok [INFO] [stdout] test test_buffered_reader ... ok [INFO] [stdout] test partial_write_buffers_line ... ok [INFO] [stdout] test single_formatted_write ... 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_read_line ... ok [INFO] [stdout] test test_lines ... ok [INFO] [stdout] test test_read_until ... ok [INFO] [stdout] test test_short_reads ... 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-a69d9bec5a8f2a05) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test_null_duplex ... ok [INFO] [stdout] test test_null_output ... ok [INFO] [stdout] test test_null_input ... 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 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::into_inner (line 324) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::get_ref (line 184) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::writer_capacity (line 271) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 100) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::new (line 145) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::with_capacities (line 166) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::writer_buffer (line 222) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 68) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter::into_inner (line 213) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer (line 83) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::reader_buffer (line 245) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::get_mut (line 204) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter::get_mut (line 184) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter::get_ref (line 160) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter (line 49) - compile ... ok [INFO] [stdout] test src/buffered/buf_duplexer.rs - buffered::buf_duplexer::BufDuplexer::reader_capacity (line 292) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter::new (line 113) - compile ... ok [INFO] [stdout] test src/buffered/buf_reader_line_writer.rs - buffered::buf_reader_line_writer::BufReaderLineWriter::with_capacities (line 135) - compile ... ok [INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError (line 31) - compile ... ok [INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError::error (line 74) - compile ... ok [INFO] [stdout] test src/buffered/mod.rs - buffered::IntoInnerError::into_inner (line 109) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c5831e514cbffdbdb4468ae2f507a59a9e4dc4ba4107f6acf47733568c033ae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5831e514cbffdbdb4468ae2f507a59a9e4dc4ba4107f6acf47733568c033ae6", kill_on_drop: false }` [INFO] [stdout] c5831e514cbffdbdb4468ae2f507a59a9e4dc4ba4107f6acf47733568c033ae6