[INFO] crate starb 0.3.0 is already in cache
[INFO] testing starb-0.3.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate starb 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate starb 0.3.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate starb 0.3.0
[INFO] finished tweaking crates.io crate starb 0.3.0
[INFO] tweaked toml for crates.io crate starb 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] aa26247554b3577c7f9fe0166af3daa87f3cda93a36889b22eea0e0dea311512
[INFO] running `"docker" "start" "-a" "aa26247554b3577c7f9fe0166af3daa87f3cda93a36889b22eea0e0dea311512"`
[INFO] [stderr]    Compiling starb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "aa26247554b3577c7f9fe0166af3daa87f3cda93a36889b22eea0e0dea311512"`
[INFO] running `"docker" "rm" "-f" "aa26247554b3577c7f9fe0166af3daa87f3cda93a36889b22eea0e0dea311512"`
[INFO] [stdout] aa26247554b3577c7f9fe0166af3daa87f3cda93a36889b22eea0e0dea311512
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 96223cd53f631a861d22981f8084a012039ef0ab845b99688f6a6c9c40a511b6
[INFO] running `"docker" "start" "-a" "96223cd53f631a861d22981f8084a012039ef0ab845b99688f6a6c9c40a511b6"`
[INFO] [stderr]    Compiling starb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "96223cd53f631a861d22981f8084a012039ef0ab845b99688f6a6c9c40a511b6"`
[INFO] running `"docker" "rm" "-f" "96223cd53f631a861d22981f8084a012039ef0ab845b99688f6a6c9c40a511b6"`
[INFO] [stdout] 96223cd53f631a861d22981f8084a012039ef0ab845b99688f6a6c9c40a511b6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5427c49396c48a47fa6f71579b023ec6e4c67d51a4503b78a3d92dce415fb53f
[INFO] running `"docker" "start" "-a" "5427c49396c48a47fa6f71579b023ec6e4c67d51a4503b78a3d92dce415fb53f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/starb-220e84488cba9fd8
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::detects_empty ... ok
[INFO] [stdout] test test::can_iter ... ok
[INFO] [stdout] test test::ownership_passes_through ... ok
[INFO] [stdout] test test::len_matches ... ok
[INFO] [stdout] test test::can_wrap ... ok
[INFO] [stdout] test test::shift_into_bigger ... ok
[INFO] [stdout] test test::unshift_from_smaller ... ok
[INFO] [stdout] test test::shift_into_smaller ... ok
[INFO] [stdout] test test::unshift_from_bigger ... ok
[INFO] [stdout] test test::cannot_overwrite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests starb
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5427c49396c48a47fa6f71579b023ec6e4c67d51a4503b78a3d92dce415fb53f"`
[INFO] running `"docker" "rm" "-f" "5427c49396c48a47fa6f71579b023ec6e4c67d51a4503b78a3d92dce415fb53f"`
[INFO] [stdout] 5427c49396c48a47fa6f71579b023ec6e4c67d51a4503b78a3d92dce415fb53f