[INFO] fetching crate low_latency_log 0.2.0...
[INFO] testing low_latency_log-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate low_latency_log 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate low_latency_log 0.2.0
[INFO] finished tweaking crates.io crate low_latency_log 0.2.0
[INFO] tweaked toml for crates.io crate low_latency_log 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate low_latency_log 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded gettid v0.1.4
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e1a0f13b7132e5c8d3b0ae7204fb9b79c7076ab43dedfb1d3aa7c8280b17e37
[INFO] running `Command { std: "docker" "start" "-a" "5e1a0f13b7132e5c8d3b0ae7204fb9b79c7076ab43dedfb1d3aa7c8280b17e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e1a0f13b7132e5c8d3b0ae7204fb9b79c7076ab43dedfb1d3aa7c8280b17e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1a0f13b7132e5c8d3b0ae7204fb9b79c7076ab43dedfb1d3aa7c8280b17e37", kill_on_drop: false }`
[INFO] [stdout] 5e1a0f13b7132e5c8d3b0ae7204fb9b79c7076ab43dedfb1d3aa7c8280b17e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a9f8f81e663c294ba260e502dfbe9b2f0ddd52c6b75cfe48c9ee78cb62b8a7
[INFO] running `Command { std: "docker" "start" "-a" "70a9f8f81e663c294ba260e502dfbe9b2f0ddd52c6b75cfe48c9ee78cb62b8a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling gettid v0.1.4
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "70a9f8f81e663c294ba260e502dfbe9b2f0ddd52c6b75cfe48c9ee78cb62b8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a9f8f81e663c294ba260e502dfbe9b2f0ddd52c6b75cfe48c9ee78cb62b8a7", kill_on_drop: false }`
[INFO] [stdout] 70a9f8f81e663c294ba260e502dfbe9b2f0ddd52c6b75cfe48c9ee78cb62b8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 489c38c1358b6906c0215c01bb5e2eaf7aa7d70b7265de1fdb613ec7a24403b9
[INFO] running `Command { std: "docker" "start" "-a" "489c38c1358b6906c0215c01bb5e2eaf7aa7d70b7265de1fdb613ec7a24403b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling low_latency_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "489c38c1358b6906c0215c01bb5e2eaf7aa7d70b7265de1fdb613ec7a24403b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489c38c1358b6906c0215c01bb5e2eaf7aa7d70b7265de1fdb613ec7a24403b9", kill_on_drop: false }`
[INFO] [stdout] 489c38c1358b6906c0215c01bb5e2eaf7aa7d70b7265de1fdb613ec7a24403b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c2597cf239116b77bbf302dec71536036b190d6ffd495abad26c061700d1d3e
[INFO] running `Command { std: "docker" "start" "-a" "4c2597cf239116b77bbf302dec71536036b190d6ffd495abad26c061700d1d3e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/low_latency_log-62b4e89adc9f79d1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fmt_utils::tests::test_write_u32 ... ok
[INFO] [stdout] test tests::test_log_func_size ... ok
[INFO] [stdout] test fmt_utils::tests::bench_fmt_u32 has been running for over 60 seconds
[INFO] [stdout] test fmt_utils::tests::bench_write_u32 has been running for over 60 seconds
[INFO] [stdout] test fmt_utils::tests::bench_fmt_u32 ... ok
[INFO] [stdout] test fmt_utils::tests::bench_write_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 264.86s
[INFO] [stderr]    Doc-tests low_latency_log
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c2597cf239116b77bbf302dec71536036b190d6ffd495abad26c061700d1d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2597cf239116b77bbf302dec71536036b190d6ffd495abad26c061700d1d3e", kill_on_drop: false }`
[INFO] [stdout] 4c2597cf239116b77bbf302dec71536036b190d6ffd495abad26c061700d1d3e