[INFO] fetching crate spin_sleep 1.0.0...
[INFO] testing spin_sleep-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate spin_sleep 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spin_sleep 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spin_sleep 1.0.0
[INFO] finished tweaking crates.io crate spin_sleep 1.0.0
[INFO] tweaked toml for crates.io crate spin_sleep 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab108ba4002b7552bcb9385c5db9b0c33a12abe00bf8cb84d4f434c4e757699
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ab108ba4002b7552bcb9385c5db9b0c33a12abe00bf8cb84d4f434c4e757699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab108ba4002b7552bcb9385c5db9b0c33a12abe00bf8cb84d4f434c4e757699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab108ba4002b7552bcb9385c5db9b0c33a12abe00bf8cb84d4f434c4e757699", kill_on_drop: false }`
[INFO] [stdout] 9ab108ba4002b7552bcb9385c5db9b0c33a12abe00bf8cb84d4f434c4e757699
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e3a066613d19fc14811c51bdadac56c5b481bea00931b6e3d41143b63e71f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "26e3a066613d19fc14811c51bdadac56c5b481bea00931b6e3d41143b63e71f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin_sleep v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "26e3a066613d19fc14811c51bdadac56c5b481bea00931b6e3d41143b63e71f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e3a066613d19fc14811c51bdadac56c5b481bea00931b6e3d41143b63e71f2", kill_on_drop: false }`
[INFO] [stdout] 26e3a066613d19fc14811c51bdadac56c5b481bea00931b6e3d41143b63e71f2
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d9f08d341b5cc801bcfda0b308294763dc358260956e73c4bfe94395c3034a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47d9f08d341b5cc801bcfda0b308294763dc358260956e73c4bfe94395c3034a", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling spin_sleep v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "47d9f08d341b5cc801bcfda0b308294763dc358260956e73c4bfe94395c3034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d9f08d341b5cc801bcfda0b308294763dc358260956e73c4bfe94395c3034a", kill_on_drop: false }`
[INFO] [stdout] 47d9f08d341b5cc801bcfda0b308294763dc358260956e73c4bfe94395c3034a
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 605cce9eb12f2934d47c97fca4a1ca0b74aac40f53280c13330ec500effdf8b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "605cce9eb12f2934d47c97fca4a1ca0b74aac40f53280c13330ec500effdf8b9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spin_sleep-345b4f40fe9c09e2)
[INFO] [stdout] test print_estimated_thread_sleep_accuracy ... ignored
[INFO] [stdout] test loop_helper::loop_helper_test::get_set_target_rate ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::loop_sleep_already_past_target ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::rate_reporting_using_seconds ... ok
[INFO] [stderr]    Doc-tests spin_sleep
[INFO] [stdout] test loop_helper::loop_helper_test::rate_reporting_using_duration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 21) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 35) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] test src/loop_helper.rs - loop_helper::LoopHelper (line 17) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "605cce9eb12f2934d47c97fca4a1ca0b74aac40f53280c13330ec500effdf8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605cce9eb12f2934d47c97fca4a1ca0b74aac40f53280c13330ec500effdf8b9", kill_on_drop: false }`
[INFO] [stdout] 605cce9eb12f2934d47c97fca4a1ca0b74aac40f53280c13330ec500effdf8b9