[INFO] crate specialize 0.0.3 is already in cache
[INFO] testing specialize-0.0.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate specialize 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate specialize 0.0.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate specialize 0.0.3
[INFO] finished tweaking crates.io crate specialize 0.0.3
[INFO] tweaked toml for crates.io crate specialize 0.0.3 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 55f070a80c2a239cd38862003903771048e6340baf627939bbd954b780f29678
[INFO] running `"docker" "start" "-a" "55f070a80c2a239cd38862003903771048e6340baf627939bbd954b780f29678"`
[INFO] [stderr]    Compiling specialize v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "55f070a80c2a239cd38862003903771048e6340baf627939bbd954b780f29678"`
[INFO] running `"docker" "rm" "-f" "55f070a80c2a239cd38862003903771048e6340baf627939bbd954b780f29678"`
[INFO] [stdout] 55f070a80c2a239cd38862003903771048e6340baf627939bbd954b780f29678
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4c2be83fb24f391aa44d0c876fa4521e916982f788650ab1e86fc00465c534d8
[INFO] running `"docker" "start" "-a" "4c2be83fb24f391aa44d0c876fa4521e916982f788650ab1e86fc00465c534d8"`
[INFO] [stderr]    Compiling specialize v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: patterns aren't allowed in functions without bodies
[INFO] [stderr]    --> src/lib.rs:594:65
[INFO] [stderr]     |
[INFO] [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
[INFO] [stderr]     |                                                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `specialize`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c2be83fb24f391aa44d0c876fa4521e916982f788650ab1e86fc00465c534d8"`
[INFO] running `"docker" "rm" "-f" "4c2be83fb24f391aa44d0c876fa4521e916982f788650ab1e86fc00465c534d8"`
[INFO] [stdout] 4c2be83fb24f391aa44d0c876fa4521e916982f788650ab1e86fc00465c534d8