[INFO] crate backr 0.5.0 is already in cache
[INFO] testing backr-0.5.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate backr 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate backr 0.5.0 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 backr 0.5.0
[INFO] finished tweaking crates.io crate backr 0.5.0
[INFO] tweaked toml for crates.io crate backr 0.5.0 written to /workspace/builds/worker-6/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-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=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] b21ae47440184d3f245650819ec6508370b4cbee53bcdb5b06ad98567eada89d
[INFO] running `"docker" "start" "-a" "b21ae47440184d3f245650819ec6508370b4cbee53bcdb5b06ad98567eada89d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling progress v0.2.0
[INFO] [stderr]    Compiling backr v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "b21ae47440184d3f245650819ec6508370b4cbee53bcdb5b06ad98567eada89d"`
[INFO] running `"docker" "rm" "-f" "b21ae47440184d3f245650819ec6508370b4cbee53bcdb5b06ad98567eada89d"`
[INFO] [stdout] b21ae47440184d3f245650819ec6508370b4cbee53bcdb5b06ad98567eada89d
[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=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] fdb9ed1f4f043a551b997d6e2f5fa802151b20d329d24840ebebdd5d90e0ff5a
[INFO] running `"docker" "start" "-a" "fdb9ed1f4f043a551b997d6e2f5fa802151b20d329d24840ebebdd5d90e0ff5a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling backr v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "fdb9ed1f4f043a551b997d6e2f5fa802151b20d329d24840ebebdd5d90e0ff5a"`
[INFO] running `"docker" "rm" "-f" "fdb9ed1f4f043a551b997d6e2f5fa802151b20d329d24840ebebdd5d90e0ff5a"`
[INFO] [stdout] fdb9ed1f4f043a551b997d6e2f5fa802151b20d329d24840ebebdd5d90e0ff5a
[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=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] c18e1af2ced55d2901828339c2128b05d258c817bdf0b6279fadecd276140363
[INFO] running `"docker" "start" "-a" "c18e1af2ced55d2901828339c2128b05d258c817bdf0b6279fadecd276140363"`
[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/backr-5a9a2b47ad8b48a5
[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" "c18e1af2ced55d2901828339c2128b05d258c817bdf0b6279fadecd276140363"`
[INFO] running `"docker" "rm" "-f" "c18e1af2ced55d2901828339c2128b05d258c817bdf0b6279fadecd276140363"`
[INFO] [stdout] c18e1af2ced55d2901828339c2128b05d258c817bdf0b6279fadecd276140363