[INFO] fetching crate acid_io 0.1.0...
[INFO] testing acid_io-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate acid_io 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate acid_io 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acid_io 0.1.0
[INFO] finished tweaking crates.io crate acid_io 0.1.0
[INFO] tweaked toml for crates.io crate acid_io 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding windows v0.29.0 (latest: v0.56.0)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.29.0 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.29.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.29.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.29.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.29.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.29.0
[INFO] [stderr]   Downloaded windows v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726b66df40180496ddf9abb38f666fda3474f4066d4989db2079bd1fc74a475a
[INFO] running `Command { std: "docker" "start" "-a" "726b66df40180496ddf9abb38f666fda3474f4066d4989db2079bd1fc74a475a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726b66df40180496ddf9abb38f666fda3474f4066d4989db2079bd1fc74a475a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726b66df40180496ddf9abb38f666fda3474f4066d4989db2079bd1fc74a475a", kill_on_drop: false }`
[INFO] [stdout] 726b66df40180496ddf9abb38f666fda3474f4066d4989db2079bd1fc74a475a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daeb310186dc54399b943bb5029c5bf4d82daf356ac9b1e714a67202dc01fc92
[INFO] running `Command { std: "docker" "start" "-a" "daeb310186dc54399b943bb5029c5bf4d82daf356ac9b1e714a67202dc01fc92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling acid_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "daeb310186dc54399b943bb5029c5bf4d82daf356ac9b1e714a67202dc01fc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daeb310186dc54399b943bb5029c5bf4d82daf356ac9b1e714a67202dc01fc92", kill_on_drop: false }`
[INFO] [stdout] daeb310186dc54399b943bb5029c5bf4d82daf356ac9b1e714a67202dc01fc92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7891c4620eecbf4717d2eea2376ca36a155ec79e65ad4fed890c3ce57620ce59
[INFO] running `Command { std: "docker" "start" "-a" "7891c4620eecbf4717d2eea2376ca36a155ec79e65ad4fed890c3ce57620ce59", kill_on_drop: false }`
[INFO] [stderr]    Compiling acid_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ExampleSliceReader` is never constructed
[INFO] [stdout]    --> src/tests/mod.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 | struct ExampleSliceReader<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShortReader` is never constructed
[INFO] [stdout]   --> src/tests/util.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ShortReader {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteObserver` is never constructed
[INFO] [stdout]   --> src/tests/util.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct WriteObserver {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7891c4620eecbf4717d2eea2376ca36a155ec79e65ad4fed890c3ce57620ce59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7891c4620eecbf4717d2eea2376ca36a155ec79e65ad4fed890c3ce57620ce59", kill_on_drop: false }`
[INFO] [stdout] 7891c4620eecbf4717d2eea2376ca36a155ec79e65ad4fed890c3ce57620ce59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 911acb853d85279f0747693341fa9971545faa9229c99f1834fc3daca4666a5c
[INFO] running `Command { std: "docker" "start" "-a" "911acb853d85279f0747693341fa9971545faa9229c99f1834fc3daca4666a5c", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ExampleSliceReader` is never constructed
[INFO] [stderr]    --> src/tests/mod.rs:373:8
[INFO] [stderr]     |
[INFO] [stderr] 373 | struct ExampleSliceReader<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ShortReader` is never constructed
[INFO] [stderr]   --> src/tests/util.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct ShortReader {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WriteObserver` is never constructed
[INFO] [stderr]   --> src/tests/util.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct WriteObserver {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `acid_io` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/acid_io-79db86d93b42f321)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::chain_empty_size_hint ... ok
[INFO] [stdout] test tests::cursor::seek_before_0 ... ok
[INFO] [stdout] test tests::cursor::seek_past_end ... ok
[INFO] [stdout] test tests::cursor::seek_past_i64 ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_error ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_seek ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_vectored ... ok
[INFO] [stdout] test tests::empty_size_hint ... 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 tests::io_slice_mut_advance_slices_beyond_total_length ... ok
[INFO] [stdout] test tests::io_slice_mut_advance_slices_empty_slice ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::slice_size_hint ... ok
[INFO] [stdout] test tests::take_size_hint ... ok
[INFO] [stdout] test tests::take_eof ... ok
[INFO] [stdout] test tests::util::empty_reads ... ok
[INFO] [stdout] test tests::util::empty_seeks ... ok
[INFO] [stdout] test tests::util::sink_sinks ... ok
[INFO] [stdout] test tests::util::repeat_repeats ... ok
[INFO] [stdout] test tests::util::take_some_bytes ... ok
[INFO] [stdout] test tests::util::copy_copies ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/with_std.rs (/opt/rustwide/target/debug/deps/with_std-c99674d20a7bb823)
[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]    Doc-tests acid_io
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test src/io_core.rs - io_core::Cursor (line 1768) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::get_ref (line 1840) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::get_ref (line 281) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::into_inner (line 260) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::get_mut (line 306) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::into_inner (line 1823) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::get_mut (line 1860) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::new (line 1808) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::is_empty (line 1950) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorTrait::source (line 43) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::set_position (line 1899) ... ok
[INFO] [stdout] test src/error.rs - error::Error::from (line 599) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::BufRead (line 882) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::remaining_slice (line 1925) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::position (line 1877) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read (line 394) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::chain (line 716) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::get_mut (line 180) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::get_ref (line 156) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::limit (line 94) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::into_inner (line 136) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::by_ref (line 649) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::read_exact (line 622) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::bytes (line 688) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::read (line 465) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::take (line 756) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::set_limit (line 116) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::flush (line 1358) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::by_ref (line 1585) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write (line 1278) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_all (line 1397) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write (line 1229) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_all_vectored (line 1459) ... ok
[INFO] [stdout] test src/util.rs - util::empty (line 23) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSliceMut<'a>::advance (line 121) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_fmt (line 1525) ... ok
[INFO] [stdout] test src/prelude.rs - prelude (line 6) ... ok
[INFO] [stdout] test src/util.rs - util::copy (line 242) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSlice<'a>::advance_slices (line 266) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSlice<'a>::advance (line 237) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSliceMut<'a>::advance_slices (line 150) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_vectored (line 1305) ... ok
[INFO] [stdout] test src/util.rs - util::repeat (line 94) ... ok
[INFO] [stdout] test src/util.rs - util::sink (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "911acb853d85279f0747693341fa9971545faa9229c99f1834fc3daca4666a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911acb853d85279f0747693341fa9971545faa9229c99f1834fc3daca4666a5c", kill_on_drop: false }`
[INFO] [stdout] 911acb853d85279f0747693341fa9971545faa9229c99f1834fc3daca4666a5c
[INFO] testing acid_io-0.1.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate acid_io 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate acid_io 0.1.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acid_io 0.1.0
[INFO] finished tweaking crates.io crate acid_io 0.1.0
[INFO] tweaked toml for crates.io crate acid_io 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding windows v0.29.0 (latest: v0.56.0)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.29.0 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.29.0 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54540b3fc8e3a686f14c18fc92e6888d3df52d1c3a3434c77084628ccd1a91ef
[INFO] running `Command { std: "docker" "start" "-a" "54540b3fc8e3a686f14c18fc92e6888d3df52d1c3a3434c77084628ccd1a91ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54540b3fc8e3a686f14c18fc92e6888d3df52d1c3a3434c77084628ccd1a91ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54540b3fc8e3a686f14c18fc92e6888d3df52d1c3a3434c77084628ccd1a91ef", kill_on_drop: false }`
[INFO] [stdout] 54540b3fc8e3a686f14c18fc92e6888d3df52d1c3a3434c77084628ccd1a91ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6032a02d54f8915f426128551041aa7d5d54b5e9f32f5df009f99767d6c3016e
[INFO] running `Command { std: "docker" "start" "-a" "6032a02d54f8915f426128551041aa7d5d54b5e9f32f5df009f99767d6c3016e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling acid_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6032a02d54f8915f426128551041aa7d5d54b5e9f32f5df009f99767d6c3016e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6032a02d54f8915f426128551041aa7d5d54b5e9f32f5df009f99767d6c3016e", kill_on_drop: false }`
[INFO] [stdout] 6032a02d54f8915f426128551041aa7d5d54b5e9f32f5df009f99767d6c3016e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008d2d6444e089b83ee8a4172fd19107418aea8aaf910cb7fb0a3d54a69d0fc5
[INFO] running `Command { std: "docker" "start" "-a" "008d2d6444e089b83ee8a4172fd19107418aea8aaf910cb7fb0a3d54a69d0fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling acid_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ExampleSliceReader` is never constructed
[INFO] [stdout]    --> src/tests/mod.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 | struct ExampleSliceReader<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShortReader` is never constructed
[INFO] [stdout]   --> src/tests/util.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ShortReader {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteObserver` is never constructed
[INFO] [stdout]   --> src/tests/util.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct WriteObserver {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "008d2d6444e089b83ee8a4172fd19107418aea8aaf910cb7fb0a3d54a69d0fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008d2d6444e089b83ee8a4172fd19107418aea8aaf910cb7fb0a3d54a69d0fc5", kill_on_drop: false }`
[INFO] [stdout] 008d2d6444e089b83ee8a4172fd19107418aea8aaf910cb7fb0a3d54a69d0fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d031fd1512614c0a70d63cf663a5bda98aa0cda4ea2cda04a59ab619acb731bc
[INFO] running `Command { std: "docker" "start" "-a" "d031fd1512614c0a70d63cf663a5bda98aa0cda4ea2cda04a59ab619acb731bc", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ExampleSliceReader` is never constructed
[INFO] [stderr]    --> src/tests/mod.rs:373:8
[INFO] [stderr]     |
[INFO] [stderr] 373 | struct ExampleSliceReader<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ShortReader` is never constructed
[INFO] [stderr]   --> src/tests/util.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct ShortReader {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WriteObserver` is never constructed
[INFO] [stderr]   --> src/tests/util.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct WriteObserver {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `acid_io` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/acid_io-79db86d93b42f321)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::chain_empty_size_hint ... ok
[INFO] [stdout] test tests::cursor::seek_before_0 ... ok
[INFO] [stdout] test tests::cursor::seek_past_end ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_error ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_seek ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer_vectored ... ok
[INFO] [stdout] test tests::cursor::seek_past_i64 ... ok
[INFO] [stdout] test tests::empty_size_hint ... ok
[INFO] [stdout] test tests::cursor::test_buf_writer ... 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 tests::io_slice_mut_advance_slices_empty_slice ... ok
[INFO] [stdout] test tests::io_slice_mut_advance_slices_beyond_total_length ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::slice_size_hint ... ok
[INFO] [stdout] test tests::take_eof ... ok
[INFO] [stdout] test tests::take_size_hint ... ok
[INFO] [stdout] test tests::util::empty_reads ... ok
[INFO] [stdout] test tests::util::empty_seeks ... ok
[INFO] [stdout] test tests::util::repeat_repeats ... ok
[INFO] [stdout] test tests::util::take_some_bytes ... ok
[INFO] [stdout] test tests::util::sink_sinks ... ok
[INFO] [stdout] test tests::util::copy_copies ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/with_std.rs (/opt/rustwide/target/debug/deps/with_std-c99674d20a7bb823)
[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]    Doc-tests acid_io
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::get_ref (line 281) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::is_empty (line 1950) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::BufRead (line 882) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::into_inner (line 1823) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::position (line 1877) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::get_mut (line 1860) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::remaining_slice (line 1925) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorTrait::source (line 43) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::into_inner (line 260) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::get_ref (line 1840) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::set_position (line 1899) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor<T>::new (line 1808) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Chain<T,U>::get_mut (line 306) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read (line 394) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Cursor (line 1768) ... ok
[INFO] [stdout] test src/error.rs - error::Error::from (line 599) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::chain (line 716) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::take (line 756) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::read (line 465) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::bytes (line 688) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::get_mut (line 180) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::read_exact (line 622) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Read::by_ref (line 649) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::into_inner (line 136) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::limit (line 94) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_all (line 1397) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::get_ref (line 156) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Take<T>::set_limit (line 116) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::by_ref (line 1585) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write (line 1229) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::flush (line 1358) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write (line 1278) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_all_vectored (line 1459) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSlice<'a>::advance (line 237) ... ok
[INFO] [stdout] test src/prelude.rs - prelude (line 6) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSliceMut<'a>::advance (line 121) ... ok
[INFO] [stdout] test src/util.rs - util::copy (line 242) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_fmt (line 1525) ... ok
[INFO] [stdout] test src/io_core.rs - io_core::Write::write_vectored (line 1305) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSliceMut<'a>::advance_slices (line 150) ... ok
[INFO] [stdout] test src/io_slice.rs - io_slice::IoSlice<'a>::advance_slices (line 266) ... ok
[INFO] [stdout] test src/util.rs - util::empty (line 23) ... ok
[INFO] [stdout] test src/util.rs - util::repeat (line 94) ... ok
[INFO] [stdout] test src/util.rs - util::sink (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d031fd1512614c0a70d63cf663a5bda98aa0cda4ea2cda04a59ab619acb731bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d031fd1512614c0a70d63cf663a5bda98aa0cda4ea2cda04a59ab619acb731bc", kill_on_drop: false }`
[INFO] [stdout] d031fd1512614c0a70d63cf663a5bda98aa0cda4ea2cda04a59ab619acb731bc
