[INFO] crate rev_slice 0.1.5 is already in cache
[INFO] testing rev_slice-0.1.5 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate rev_slice 0.1.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rev_slice 0.1.5 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rev_slice 0.1.5
[INFO] finished tweaking crates.io crate rev_slice 0.1.5
[INFO] tweaked toml for crates.io crate rev_slice 0.1.5 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 461cd9d8307c40c71a62075e3d78aec7618e56d50579620874513339672a7aee
[INFO] running `"docker" "start" "-a" "461cd9d8307c40c71a62075e3d78aec7618e56d50579620874513339672a7aee"`
[INFO] [stderr]    Compiling rev_slice v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "461cd9d8307c40c71a62075e3d78aec7618e56d50579620874513339672a7aee"`
[INFO] running `"docker" "rm" "-f" "461cd9d8307c40c71a62075e3d78aec7618e56d50579620874513339672a7aee"`
[INFO] [stdout] 461cd9d8307c40c71a62075e3d78aec7618e56d50579620874513339672a7aee
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c8b24323542db18d2a5e56aefc7baa848f03de41c7794eaed2b6c582a024e488
[INFO] running `"docker" "start" "-a" "c8b24323542db18d2a5e56aefc7baa848f03de41c7794eaed2b6c582a024e488"`
[INFO] [stderr]    Compiling rev_slice v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "c8b24323542db18d2a5e56aefc7baa848f03de41c7794eaed2b6c582a024e488"`
[INFO] running `"docker" "rm" "-f" "c8b24323542db18d2a5e56aefc7baa848f03de41c7794eaed2b6c582a024e488"`
[INFO] [stdout] c8b24323542db18d2a5e56aefc7baa848f03de41c7794eaed2b6c582a024e488
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 03a766386c3395663c62999b70ddd3647d2323fd86ef4339d19b4824fc10e94e
[INFO] running `"docker" "start" "-a" "03a766386c3395663c62999b70ddd3647d2323fd86ef4339d19b4824fc10e94e"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rev_slice-aae444a9a47b1f37
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::iter_works_too ... ok
[INFO] [stderr]    Doc-tests rev_slice
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "03a766386c3395663c62999b70ddd3647d2323fd86ef4339d19b4824fc10e94e"`
[INFO] running `"docker" "rm" "-f" "03a766386c3395663c62999b70ddd3647d2323fd86ef4339d19b4824fc10e94e"`
[INFO] [stdout] 03a766386c3395663c62999b70ddd3647d2323fd86ef4339d19b4824fc10e94e