[INFO] fetching crate portable-io 0.0.4...
[INFO] testing portable-io-0.0.4 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate portable-io 0.0.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate portable-io 0.0.4
[INFO] finished tweaking crates.io crate portable-io 0.0.4
[INFO] tweaked toml for crates.io crate portable-io 0.0.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portable-io 0.0.4 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate portable-io 0.0.4 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8c7e02ea305d16bc813208a9d2ca94f8299f2ccc59403f4b36cd487042c9ae0
[INFO] running `Command { std: "docker" "start" "-a" "d8c7e02ea305d16bc813208a9d2ca94f8299f2ccc59403f4b36cd487042c9ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c7e02ea305d16bc813208a9d2ca94f8299f2ccc59403f4b36cd487042c9ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c7e02ea305d16bc813208a9d2ca94f8299f2ccc59403f4b36cd487042c9ae0", kill_on_drop: false }`
[INFO] [stdout] d8c7e02ea305d16bc813208a9d2ca94f8299f2ccc59403f4b36cd487042c9ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a4596454c02cb0354176c74d564520ccdd6b085c80901a0e5d59407309fc545
[INFO] running `Command { std: "docker" "start" "-a" "5a4596454c02cb0354176c74d564520ccdd6b085c80901a0e5d59407309fc545", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling portable-io v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "5a4596454c02cb0354176c74d564520ccdd6b085c80901a0e5d59407309fc545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4596454c02cb0354176c74d564520ccdd6b085c80901a0e5d59407309fc545", kill_on_drop: false }`
[INFO] [stdout] 5a4596454c02cb0354176c74d564520ccdd6b085c80901a0e5d59407309fc545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5799f612e30ae0dc557c7f15bf5087522631eafaa6e20edccc9f65dc1ae4820d
[INFO] running `Command { std: "docker" "start" "-a" "5799f612e30ae0dc557c7f15bf5087522631eafaa6e20edccc9f65dc1ae4820d", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-io v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "5799f612e30ae0dc557c7f15bf5087522631eafaa6e20edccc9f65dc1ae4820d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5799f612e30ae0dc557c7f15bf5087522631eafaa6e20edccc9f65dc1ae4820d", kill_on_drop: false }`
[INFO] [stdout] 5799f612e30ae0dc557c7f15bf5087522631eafaa6e20edccc9f65dc1ae4820d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb41a55d7f6edef3ba0c28d4cf129f88581dc3661448322e966afc785b146cb
[INFO] running `Command { std: "docker" "start" "-a" "1eb41a55d7f6edef3ba0c28d4cf129f88581dc3661448322e966afc785b146cb", 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/portable_io-600a91ac6f1085ef)
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test cursor::tests::seek_before_0 ... ok
[INFO] [stdout] test cursor::tests::seek_past_end ... ok
[INFO] [stdout] test cursor::tests::read_to_end ... ok
[INFO] [stdout] test cursor::tests::seek_past_i64 ... ok
[INFO] [stdout] test cursor::tests::test_box_slice_writer ... ok
[INFO] [stdout] test cursor::tests::test_boxed_slice_reader ... ok
[INFO] [stdout] test cursor::tests::test_box_slice_writer_vectored ... ok
[INFO] [stdout] test cursor::tests::test_boxed_slice_reader_vectored ... ok
[INFO] [stdout] test cursor::tests::test_buf_reader ... ok
[INFO] [stdout] test cursor::tests::test_buf_writer_error ... ok
[INFO] [stdout] test cursor::tests::test_buf_writer_seek ... ok
[INFO] [stdout] test cursor::tests::test_buf_writer ... ok
[INFO] [stdout] test cursor::tests::test_buf_writer_vectored ... ok
[INFO] [stdout] test cursor::tests::test_eq ... ok
[INFO] [stdout] test cursor::tests::test_mem_mut_writer ... ok
[INFO] [stdout] test cursor::tests::test_mem_reader ... ok
[INFO] [stdout] test cursor::tests::test_mem_reader_vectored ... ok
[INFO] [stdout] test cursor::tests::test_mem_writer ... ok
[INFO] [stdout] test cursor::tests::test_partial_eq ... ok
[INFO] [stdout] test cursor::tests::test_seekable_mem_writer ... ok
[INFO] [stdout] test cursor::tests::test_read_exact ... ok
[INFO] [stdout] test cursor::tests::test_slice_reader ... ok
[INFO] [stdout] test cursor::tests::test_vec_writer ... ok
[INFO] [stdout] test error::tests::test_size ... ok
[INFO] [stdout] test readbuf::tests::initialize_unfilled_to ... ok
[INFO] [stdout] test readbuf::tests::append ... ok
[INFO] [stdout] test cursor::tests::test_slice_reader_vectored ... ok
[INFO] [stdout] test cursor::tests::vec_seek_before_0 ... ok
[INFO] [stdout] test error::tests::test_const ... ok
[INFO] [stdout] test readbuf::tests::assume_init ... ok
[INFO] [stdout] test tests::chain_zero_length_read_is_not_eof ... ok
[INFO] [stdout] test readbuf::tests::clear ... ok
[INFO] [stdout] test readbuf::tests::new ... ok
[INFO] [stdout] test tests::io_slice_advance_slices ... ok
[INFO] [stdout] test tests::io_slice_advance_slices_beyond_total_length ... ok
[INFO] [stdout] test tests::io_slice_advance_slices_empty_slice ... ok
[INFO] [stdout] test tests::io_slice_mut_advance_slices ... ok
[INFO] [stdout] test readbuf::tests::initialize_unfilled ... ok
[INFO] [stdout] test tests::io_slice_mut_advance_slices_beyond_total_length ... ok
[INFO] [stdout] test readbuf::tests::set_filled ... ok
[INFO] [stdout] test cursor::tests::vec_seek_past_end ... ok
[INFO] [stdout] test readbuf::tests::uninit ... ok
[INFO] [stdout] test error::tests::test_downcasting ... ok
[INFO] [stdout] test tests::buf_read_has_data_left ... ok
[INFO] [stdout] test tests::io_slice_mut_advance_slices_empty_slice ... ok
[INFO] [stdout] test tests::lines ... ok
[INFO] [stdout] test tests::read_buf_exact ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::read_line ... ok
[INFO] [stdout] test tests::read_exact_slice ... ok
[INFO] [stdout] test tests::read_to_string ... ok
[INFO] [stdout] test tests::read_until ... ok
[INFO] [stdout] test readbuf::tests::filled_mut ... ok
[INFO] [stdout] test tests::chain_bufread ... ok
[INFO] [stdout] test readbuf::tests::add_filled ... ok
[INFO] [stdout] test tests::seek_position ... ok
[INFO] [stdout] test tests::split ... ok
[INFO] [stdout] test tests::seek_len ... ok
[INFO] [stdout] test tests::take_eof ... ok
[INFO] [stdout] test tests::test_read_to_end_capacity ... ok
[INFO] [stdout] test tests::test_write_all_vectored ... ok
[INFO] [stdout] test tests::test_writer_read_from_one_buf ... ok
[INFO] [stdout] test tests::test_writer_read_from_multiple_bufs ... ok
[INFO] [stdout] test readbuf::tests::set_filled_panic - should panic ... ok
[INFO] [stdout] test readbuf::tests::add_filled_panic - should panic ... ok
[INFO] [stdout] test tests::read_to_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests portable_io
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/error.rs - error::Error::new (line 332) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::get_ref (line 77) ... ok
[INFO] [stdout] test src/error.rs - error::Error::from (line 305) ... ok
[INFO] [stdout] test src/error.rs - error::Error::raw_os_error (line 444) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::new (line 43) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::set_position (line 140) ... ok
[INFO] [stdout] test src/error.rs - error::Error::into_inner (line 602) ... ok
[INFO] [stdout] test src/error.rs - error::Error::get_ref (line 485) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::position (line 116) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::into_inner (line 59) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::get_mut (line 98) ... ok
[INFO] [stdout] test src/error.rs - error::Error::kind (line 639) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::is_empty (line 193) ... ok
[INFO] [stdout] test src/lib.rs - BufRead::read_until (line 1323) ... ok
[INFO] [stdout] test src/lib.rs - Read (line 273) - compile ... ok
[INFO] [stdout] test src/error.rs - error::Error::get_mut (line 527) ... ok
[INFO] [stdout] test src/lib.rs - IoSliceMut<'a>::advance_slices (line 646) ... ok
[INFO] [stdout] test src/cursor.rs - cursor::Cursor<T>::remaining_slice (line 167) ... ok
[INFO] [stdout] test src/error.rs - error::Error::other (line 360) ... ok
[INFO] [stdout] test src/lib.rs - BufRead::read_line (line 1386) ... ok
[INFO] [stdout] test src/lib.rs - IoSliceMut<'a>::advance (line 617) ... ok
[INFO] [stdout] test src/lib.rs - IoSlice<'a>::advance_slices (line 770) ... ok
[INFO] [stdout] test src/prelude.rs - prelude (line 6) ... ok
[INFO] [stdout] test src/lib.rs - IoSlice<'a>::advance (line 741) ... ok
[INFO] [stdout] test src/lib.rs - Write::write_all_vectored (line 986) ... ok
[INFO] [stdout] test src/lib.rs - BufRead::split (line 1439) ... ok
[INFO] [stdout] test src/lib.rs - BufRead::lines (line 1472) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1eb41a55d7f6edef3ba0c28d4cf129f88581dc3661448322e966afc785b146cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb41a55d7f6edef3ba0c28d4cf129f88581dc3661448322e966afc785b146cb", kill_on_drop: false }`
[INFO] [stdout] 1eb41a55d7f6edef3ba0c28d4cf129f88581dc3661448322e966afc785b146cb