[INFO] fetching crate low_latency_log 0.2.0...
[INFO] testing low_latency_log-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate low_latency_log 0.2.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate low_latency_log 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded gettid v0.1.4
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0f8cee59c34f19632ac22befb5b5aa7c3dd8ac1b19288539c3d800b9f9c5f6a
[INFO] running `Command { std: "docker" "start" "-a" "d0f8cee59c34f19632ac22befb5b5aa7c3dd8ac1b19288539c3d800b9f9c5f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f8cee59c34f19632ac22befb5b5aa7c3dd8ac1b19288539c3d800b9f9c5f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f8cee59c34f19632ac22befb5b5aa7c3dd8ac1b19288539c3d800b9f9c5f6a", kill_on_drop: false }`
[INFO] [stdout] d0f8cee59c34f19632ac22befb5b5aa7c3dd8ac1b19288539c3d800b9f9c5f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b76a88b159e91322dc4a55d5b373b967d47c18ec86ecb8b7f40cf086a48c781d
[INFO] running `Command { std: "docker" "start" "-a" "b76a88b159e91322dc4a55d5b373b967d47c18ec86ecb8b7f40cf086a48c781d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling gettid v0.1.4
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling core_affinity v0.8.3
[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 1.94s
[INFO] running `Command { std: "docker" "inspect" "b76a88b159e91322dc4a55d5b373b967d47c18ec86ecb8b7f40cf086a48c781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76a88b159e91322dc4a55d5b373b967d47c18ec86ecb8b7f40cf086a48c781d", kill_on_drop: false }`
[INFO] [stdout] b76a88b159e91322dc4a55d5b373b967d47c18ec86ecb8b7f40cf086a48c781d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 521260a4ae092ac75288771889158c0d6afae88f7724f57f98a79c8f5014f874
[INFO] running `Command { std: "docker" "start" "-a" "521260a4ae092ac75288771889158c0d6afae88f7724f57f98a79c8f5014f874", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "521260a4ae092ac75288771889158c0d6afae88f7724f57f98a79c8f5014f874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521260a4ae092ac75288771889158c0d6afae88f7724f57f98a79c8f5014f874", kill_on_drop: false }`
[INFO] [stdout] 521260a4ae092ac75288771889158c0d6afae88f7724f57f98a79c8f5014f874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3acf9f8db0efd423469800565aff84bf437dac9c0f01c91733bf3637cb17d8e3
[INFO] running `Command { std: "docker" "start" "-a" "3acf9f8db0efd423469800565aff84bf437dac9c0f01c91733bf3637cb17d8e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/low_latency_log-6fe06b270cc69acf)
[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] [stderr]    Doc-tests low_latency_log
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 382.75s
[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" "3acf9f8db0efd423469800565aff84bf437dac9c0f01c91733bf3637cb17d8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acf9f8db0efd423469800565aff84bf437dac9c0f01c91733bf3637cb17d8e3", kill_on_drop: false }`
[INFO] [stdout] 3acf9f8db0efd423469800565aff84bf437dac9c0f01c91733bf3637cb17d8e3