[INFO] crate syswall 0.3.1 is already in cache
[INFO] testing syswall-0.3.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate syswall 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate syswall 0.3.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syswall 0.3.1
[INFO] finished tweaking crates.io crate syswall 0.3.1
[INFO] tweaked toml for crates.io crate syswall 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "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] 328e0c277e8f1b5e0e32e7ffd8f69926ca0e7763d57c6b869809fc4bd2a68780
[INFO] running `"docker" "start" "-a" "328e0c277e8f1b5e0e32e7ffd8f69926ca0e7763d57c6b869809fc4bd2a68780"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling syswall v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `"docker" "inspect" "328e0c277e8f1b5e0e32e7ffd8f69926ca0e7763d57c6b869809fc4bd2a68780"`
[INFO] running `"docker" "rm" "-f" "328e0c277e8f1b5e0e32e7ffd8f69926ca0e7763d57c6b869809fc4bd2a68780"`
[INFO] [stdout] 328e0c277e8f1b5e0e32e7ffd8f69926ca0e7763d57c6b869809fc4bd2a68780
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "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] a76b93721e3e24c0d80d0af17e2b65b8b7af55884b72a9b30eb2a3fe3632ceb6
[INFO] running `"docker" "start" "-a" "a76b93721e3e24c0d80d0af17e2b65b8b7af55884b72a9b30eb2a3fe3632ceb6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syswall v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "a76b93721e3e24c0d80d0af17e2b65b8b7af55884b72a9b30eb2a3fe3632ceb6"`
[INFO] running `"docker" "rm" "-f" "a76b93721e3e24c0d80d0af17e2b65b8b7af55884b72a9b30eb2a3fe3632ceb6"`
[INFO] [stdout] a76b93721e3e24c0d80d0af17e2b65b8b7af55884b72a9b30eb2a3fe3632ceb6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "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] 7ff17a614fc2e811f9fcb536ae5541bb8c31603348ceb4f312e095564c3430d4
[INFO] running `"docker" "start" "-a" "7ff17a614fc2e811f9fcb536ae5541bb8c31603348ceb4f312e095564c3430d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/syswall-28edfa28ab068fff
[INFO] [stderr]    Doc-tests syswall
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - trace (line 39) ... 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" "7ff17a614fc2e811f9fcb536ae5541bb8c31603348ceb4f312e095564c3430d4"`
[INFO] running `"docker" "rm" "-f" "7ff17a614fc2e811f9fcb536ae5541bb8c31603348ceb4f312e095564c3430d4"`
[INFO] [stdout] 7ff17a614fc2e811f9fcb536ae5541bb8c31603348ceb4f312e095564c3430d4