[INFO] fetching crate howlong 0.1.7...
[INFO] testing howlong-0.1.7 against 1.60.0 for beta-1.61-1
[INFO] extracting crate howlong 0.1.7 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate howlong 0.1.7 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate howlong 0.1.7
[INFO] finished tweaking crates.io crate howlong 0.1.7
[INFO] tweaked toml for crates.io crate howlong 0.1.7 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e42eafe324199dbc3c2e55e24c7639b553306d38f6b7a66c0e074dd329af49
[INFO] running `Command { std: "docker" "start" "-a" "e9e42eafe324199dbc3c2e55e24c7639b553306d38f6b7a66c0e074dd329af49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e42eafe324199dbc3c2e55e24c7639b553306d38f6b7a66c0e074dd329af49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e42eafe324199dbc3c2e55e24c7639b553306d38f6b7a66c0e074dd329af49", kill_on_drop: false }`
[INFO] [stdout] e9e42eafe324199dbc3c2e55e24c7639b553306d38f6b7a66c0e074dd329af49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12bc016141272dea07422f9a943538a56623af36089e1603573aee2eb41213f5
[INFO] running `Command { std: "docker" "start" "-a" "12bc016141272dea07422f9a943538a56623af36089e1603573aee2eb41213f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling howlong v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "12bc016141272dea07422f9a943538a56623af36089e1603573aee2eb41213f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bc016141272dea07422f9a943538a56623af36089e1603573aee2eb41213f5", kill_on_drop: false }`
[INFO] [stdout] 12bc016141272dea07422f9a943538a56623af36089e1603573aee2eb41213f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aacd4507024ab750361f9e982275cb6a113b4c6ae7559fe3b1760adab1db55c
[INFO] running `Command { std: "docker" "start" "-a" "8aacd4507024ab750361f9e982275cb6a113b4c6ae7559fe3b1760adab1db55c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling howlong v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "8aacd4507024ab750361f9e982275cb6a113b4c6ae7559fe3b1760adab1db55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aacd4507024ab750361f9e982275cb6a113b4c6ae7559fe3b1760adab1db55c", kill_on_drop: false }`
[INFO] [stdout] 8aacd4507024ab750361f9e982275cb6a113b4c6ae7559fe3b1760adab1db55c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02d5977d31a8a22895d802bcb953c6bf1ff60449cd9e06407b2a4b7d6e18c5e4
[INFO] running `Command { std: "docker" "start" "-a" "02d5977d31a8a22895d802bcb953c6bf1ff60449cd9e06407b2a4b7d6e18c5e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/howlong-055410361e1563f9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/clock.rs (/opt/rustwide/target/debug/deps/clock-bdba742009305d3c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_process_system_cpu_clock ... ok
[INFO] [stdout] test test_process_real_cpu_clock ... ok
[INFO] [stdout] test test_high_resolution_clock ... ok
[INFO] [stdout] test test_steady_clock ... ok
[INFO] [stdout] test test_system_clock ... ok
[INFO] [stdout] test test_process_user_cpu_clock ... ok
[INFO] [stdout] test test_thread_clock ... ok
[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; finished in 2.59s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/timer.rs (/opt/rustwide/target/debug/deps/timer-70f5a826756eefe1)
[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_thread_timer ... ok
[INFO] [stdout] test test_process_user_cpu_timer ... ok
[INFO] [stderr]    Doc-tests howlong
[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; finished in 2.65s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/clock/mod.rs - clock (line 41) ... ok
[INFO] [stdout] test src/timer.rs - timer (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02d5977d31a8a22895d802bcb953c6bf1ff60449cd9e06407b2a4b7d6e18c5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d5977d31a8a22895d802bcb953c6bf1ff60449cd9e06407b2a4b7d6e18c5e4", kill_on_drop: false }`
[INFO] [stdout] 02d5977d31a8a22895d802bcb953c6bf1ff60449cd9e06407b2a4b7d6e18c5e4