[INFO] crate byteio 0.2.3 is already in cache
[INFO] testing byteio-0.2.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate byteio 0.2.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate byteio 0.2.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate byteio 0.2.3
[INFO] finished tweaking crates.io crate byteio 0.2.3
[INFO] tweaked toml for crates.io crate byteio 0.2.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fe433302acf0ce48b40d88347d70b79c115f3dfae158e25103c5e8edcb878cd
[INFO] running `"docker" "start" "-a" "6fe433302acf0ce48b40d88347d70b79c115f3dfae158e25103c5e8edcb878cd"`
[INFO] [stderr]    Compiling byteio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "6fe433302acf0ce48b40d88347d70b79c115f3dfae158e25103c5e8edcb878cd"`
[INFO] running `"docker" "rm" "-f" "6fe433302acf0ce48b40d88347d70b79c115f3dfae158e25103c5e8edcb878cd"`
[INFO] [stdout] 6fe433302acf0ce48b40d88347d70b79c115f3dfae158e25103c5e8edcb878cd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33c185ffb2cc6feb39a7597c54984d443d24155f6c580fdc04069e427c32a292
[INFO] running `"docker" "start" "-a" "33c185ffb2cc6feb39a7597c54984d443d24155f6c580fdc04069e427c32a292"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling byteio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `"docker" "inspect" "33c185ffb2cc6feb39a7597c54984d443d24155f6c580fdc04069e427c32a292"`
[INFO] running `"docker" "rm" "-f" "33c185ffb2cc6feb39a7597c54984d443d24155f6c580fdc04069e427c32a292"`
[INFO] [stdout] 33c185ffb2cc6feb39a7597c54984d443d24155f6c580fdc04069e427c32a292
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8078b598848f8508eb308ce1c22146771e45876752fd1d320b2fe4ed89b6c389
[INFO] running `"docker" "start" "-a" "8078b598848f8508eb308ce1c22146771e45876752fd1d320b2fe4ed89b6c389"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/byteio-0a58c1859ad3fa3f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::io_error_from_error_end_of_stream ... ok
[INFO] [stdout] test test::display_error_end_of_stream ... ok
[INFO] [stdout] test test::display_error_nonexhaustive ... ok
[INFO] [stdout] test test::io_error_from_error_nonexhaustive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byteio
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - Writer<W>::into_inner (line 1652) ... ok
[INFO] [stdout] test src/lib.rs - Reader::into_inner (line 918) ... ok
[INFO] [stdout] test src/lib.rs - Writer<W>::new (line 1617) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytes (line 250) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytesExt (line 385) ... ok
[INFO] [stdout] test src/lib.rs - Writer<W>::num_bytes_written (line 1634) ... ok
[INFO] [stdout] test src/lib.rs -  (line 48) ... ok
[INFO] [stdout] test src/lib.rs - ReadBytes (line 268) ... ok
[INFO] [stdout] test src/lib.rs - Error::EndOfStream (line 184) ... ok
[INFO] [stdout] test src/lib.rs - Reader::new (line 881) ... ok
[INFO] [stdout] test src/lib.rs - Reader::num_bytes_read (line 898) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 115) ... ok
[INFO] [stdout] test src/lib.rs - Writer (line 1581) ... ok
[INFO] [stdout] test src/lib.rs - WriteBytes (line 992) ... ok
[INFO] [stdout] test src/lib.rs - Result (line 138) ... ok
[INFO] [stdout] test src/lib.rs - WriteBytesExt (line 1103) ... ok
[INFO] [stdout] test src/lib.rs - Reader (line 849) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8078b598848f8508eb308ce1c22146771e45876752fd1d320b2fe4ed89b6c389"`
[INFO] running `"docker" "rm" "-f" "8078b598848f8508eb308ce1c22146771e45876752fd1d320b2fe4ed89b6c389"`
[INFO] [stdout] 8078b598848f8508eb308ce1c22146771e45876752fd1d320b2fe4ed89b6c389