[INFO] fetching crate ambience 0.2.1...
[INFO] testing ambience-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate ambience 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ambience 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ambience 0.2.1
[INFO] finished tweaking crates.io crate ambience 0.2.1
[INFO] tweaked toml for crates.io crate ambience 0.2.1 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] 61f28add86c09a3057f5e06cd769815ddaca5cc3a4b48f5e8d4d2e0b090dfaf0
[INFO] running `"docker" "start" "-a" "61f28add86c09a3057f5e06cd769815ddaca5cc3a4b48f5e8d4d2e0b090dfaf0"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling ambience v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.91s
[INFO] running `"docker" "inspect" "61f28add86c09a3057f5e06cd769815ddaca5cc3a4b48f5e8d4d2e0b090dfaf0"`
[INFO] running `"docker" "rm" "-f" "61f28add86c09a3057f5e06cd769815ddaca5cc3a4b48f5e8d4d2e0b090dfaf0"`
[INFO] [stdout] 61f28add86c09a3057f5e06cd769815ddaca5cc3a4b48f5e8d4d2e0b090dfaf0
[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] 6aa0b8aabf05face4a9fdf6318bbda64791f4a03fe66cab2f26a34c39e7da8dc
[INFO] running `"docker" "start" "-a" "6aa0b8aabf05face4a9fdf6318bbda64791f4a03fe66cab2f26a34c39e7da8dc"`
[INFO] [stderr]    Compiling ambience v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "6aa0b8aabf05face4a9fdf6318bbda64791f4a03fe66cab2f26a34c39e7da8dc"`
[INFO] running `"docker" "rm" "-f" "6aa0b8aabf05face4a9fdf6318bbda64791f4a03fe66cab2f26a34c39e7da8dc"`
[INFO] [stdout] 6aa0b8aabf05face4a9fdf6318bbda64791f4a03fe66cab2f26a34c39e7da8dc
[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"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7f52b736e70bbc953ce4693f9926cef966f29f1bed5be29dd167bd32fdbacb3
[INFO] running `"docker" "start" "-a" "c7f52b736e70bbc953ce4693f9926cef966f29f1bed5be29dd167bd32fdbacb3"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ambience-b360efb0c4716a93
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test thread::tests::downcast_expectations ... ok
[INFO] [stdout] test thread::tests::external_rc_can_be_reused ... ok
[INFO] [stdout] test thread::tests::nested ... ok
[INFO] [stdout] test thread::tests::simple ... ok
[INFO] [stdout] test thread::tests::manually_dropped ... ok
[INFO] [stdout] test thread::tests::types_are_independent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ambience
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/thread.rs - thread::_data_must_be_static (line 145) ... ok
[INFO] [stdout] test src/thread.rs - thread::_guard_is_send (line 152) ... ok
[INFO] [stdout] test src/thread.rs - thread::_guard_is_sync (line 160) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c7f52b736e70bbc953ce4693f9926cef966f29f1bed5be29dd167bd32fdbacb3"`
[INFO] running `"docker" "rm" "-f" "c7f52b736e70bbc953ce4693f9926cef966f29f1bed5be29dd167bd32fdbacb3"`
[INFO] [stdout] c7f52b736e70bbc953ce4693f9926cef966f29f1bed5be29dd167bd32fdbacb3