[INFO] fetching crate metrics-observer-prometheus 0.1.4...
[INFO] testing metrics-observer-prometheus-0.1.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate metrics-observer-prometheus 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate metrics-observer-prometheus 0.1.4 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 metrics-observer-prometheus 0.1.4
[INFO] finished tweaking crates.io crate metrics-observer-prometheus 0.1.4
[INFO] tweaked toml for crates.io crate metrics-observer-prometheus 0.1.4 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 66da1c4a000bab6112d3a5e42f0c7ee044a410091d9dc7e314ce932f2a5a7522
[INFO] running `"docker" "start" "-a" "66da1c4a000bab6112d3a5e42f0c7ee044a410091d9dc7e314ce932f2a5a7522"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling metrics-core v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling metrics-util v0.3.1
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling metrics-observer-prometheus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `"docker" "inspect" "66da1c4a000bab6112d3a5e42f0c7ee044a410091d9dc7e314ce932f2a5a7522"`
[INFO] running `"docker" "rm" "-f" "66da1c4a000bab6112d3a5e42f0c7ee044a410091d9dc7e314ce932f2a5a7522"`
[INFO] [stdout] 66da1c4a000bab6112d3a5e42f0c7ee044a410091d9dc7e314ce932f2a5a7522
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1b5e9e44f3c1d2f21440ba26f3e06373ce186d49cd8b535cca0406d845b959f1
[INFO] running `"docker" "start" "-a" "1b5e9e44f3c1d2f21440ba26f3e06373ce186d49cd8b535cca0406d845b959f1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling metrics-observer-prometheus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1b5e9e44f3c1d2f21440ba26f3e06373ce186d49cd8b535cca0406d845b959f1"`
[INFO] running `"docker" "rm" "-f" "1b5e9e44f3c1d2f21440ba26f3e06373ce186d49cd8b535cca0406d845b959f1"`
[INFO] [stdout] 1b5e9e44f3c1d2f21440ba26f3e06373ce186d49cd8b535cca0406d845b959f1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 49d4fc65ada64e52159f1c26190951fd62d99258127c8855438b39952c464977
[INFO] running `"docker" "start" "-a" "49d4fc65ada64e52159f1c26190951fd62d99258127c8855438b39952c464977"`
[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/metrics_observer_prometheus-5aef296f72bc11fe
[INFO] [stderr]    Doc-tests metrics-observer-prometheus
[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 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" "49d4fc65ada64e52159f1c26190951fd62d99258127c8855438b39952c464977"`
[INFO] running `"docker" "rm" "-f" "49d4fc65ada64e52159f1c26190951fd62d99258127c8855438b39952c464977"`
[INFO] [stdout] 49d4fc65ada64e52159f1c26190951fd62d99258127c8855438b39952c464977