[INFO] fetching crate howlong 0.1.4...
[INFO] testing howlong-0.1.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate howlong 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate howlong 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 howlong 0.1.4
[INFO] finished tweaking crates.io crate howlong 0.1.4
[INFO] tweaked toml for crates.io crate howlong 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] 69a212239d39829dd6d8146bdf263b10bc70df2dfe8a9d69578acb696dffc125
[INFO] running `"docker" "start" "-a" "69a212239d39829dd6d8146bdf263b10bc70df2dfe8a9d69578acb696dffc125"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling howlong v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.48s
[INFO] running `"docker" "inspect" "69a212239d39829dd6d8146bdf263b10bc70df2dfe8a9d69578acb696dffc125"`
[INFO] running `"docker" "rm" "-f" "69a212239d39829dd6d8146bdf263b10bc70df2dfe8a9d69578acb696dffc125"`
[INFO] [stdout] 69a212239d39829dd6d8146bdf263b10bc70df2dfe8a9d69578acb696dffc125
[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] [stdout] 270d9df62c57dc186603577c8b124c1c5d0941f65f45727b18eab88a8d36900b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "270d9df62c57dc186603577c8b124c1c5d0941f65f45727b18eab88a8d36900b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling howlong v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.68s
[INFO] running `"docker" "inspect" "270d9df62c57dc186603577c8b124c1c5d0941f65f45727b18eab88a8d36900b"`
[INFO] running `"docker" "rm" "-f" "270d9df62c57dc186603577c8b124c1c5d0941f65f45727b18eab88a8d36900b"`
[INFO] [stdout] 270d9df62c57dc186603577c8b124c1c5d0941f65f45727b18eab88a8d36900b
[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] 16b29613d263b27641c20ffeb8cbf7485f3fc1c49c7b9d2126fd556f9a9af97a
[INFO] running `"docker" "start" "-a" "16b29613d263b27641c20ffeb8cbf7485f3fc1c49c7b9d2126fd556f9a9af97a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/howlong-071a917dfe6349ae
[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] [stderr]      Running /opt/rustwide/target/debug/deps/clock-11d49eeb41f25d7a
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_process_system_cpu_clock ... ok
[INFO] [stdout] test test_high_resolution_clock ... ok
[INFO] [stdout] test test_steady_clock ... ok
[INFO] [stdout] test test_process_real_cpu_clock ... ok
[INFO] [stdout] test test_system_clock ... ok
[INFO] [stdout] test test_thread_clock ... ok
[INFO] [stdout] test test_process_user_cpu_clock ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timer-36846a3295ce12e1
[INFO] [stdout] test test_process_cpu_clock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_process_system_cpu_timer ... ok
[INFO] [stdout] test test_high_resolution_timer ... ok
[INFO] [stdout] test test_process_real_cpu_timer ... ok
[INFO] [stdout] test test_system_timer ... ok
[INFO] [stdout] test test_process_user_cpu_timer ... ok
[INFO] [stdout] test test_thread_timer ... ok
[INFO] [stdout] test test_process_cpu_timer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests howlong
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/clock/mod.rs - clock (line 39) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/timer.rs - timer (line 8) ... 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" "16b29613d263b27641c20ffeb8cbf7485f3fc1c49c7b9d2126fd556f9a9af97a"`
[INFO] running `"docker" "rm" "-f" "16b29613d263b27641c20ffeb8cbf7485f3fc1c49c7b9d2126fd556f9a9af97a"`
[INFO] [stdout] 16b29613d263b27641c20ffeb8cbf7485f3fc1c49c7b9d2126fd556f9a9af97a