[INFO] fetching crate low_latency_log 0.2.0...
[INFO] testing low_latency_log-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[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 c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded gettid v0.1.4
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 110592a3e3b1d830b692243de7400fe12580db16a83c5c92d686a156dcbb519c
[INFO] running `Command { std: "docker" "start" "-a" "110592a3e3b1d830b692243de7400fe12580db16a83c5c92d686a156dcbb519c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110592a3e3b1d830b692243de7400fe12580db16a83c5c92d686a156dcbb519c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110592a3e3b1d830b692243de7400fe12580db16a83c5c92d686a156dcbb519c", kill_on_drop: false }`
[INFO] [stdout] 110592a3e3b1d830b692243de7400fe12580db16a83c5c92d686a156dcbb519c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28532e6cccef5fe1fda52ce2053eb859b7f88933b2a98d240a0c80daec271c3a
[INFO] running `Command { std: "docker" "start" "-a" "28532e6cccef5fe1fda52ce2053eb859b7f88933b2a98d240a0c80daec271c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling chrono v0.4.42
[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 12.17s
[INFO] running `Command { std: "docker" "inspect" "28532e6cccef5fe1fda52ce2053eb859b7f88933b2a98d240a0c80daec271c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28532e6cccef5fe1fda52ce2053eb859b7f88933b2a98d240a0c80daec271c3a", kill_on_drop: false }`
[INFO] [stdout] 28532e6cccef5fe1fda52ce2053eb859b7f88933b2a98d240a0c80daec271c3a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6216bec5ab9adad9f3602c8c18d69f9962d9b4e621f81fc395b1afc497ab48d9
[INFO] running `Command { std: "docker" "start" "-a" "6216bec5ab9adad9f3602c8c18d69f9962d9b4e621f81fc395b1afc497ab48d9", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "6216bec5ab9adad9f3602c8c18d69f9962d9b4e621f81fc395b1afc497ab48d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6216bec5ab9adad9f3602c8c18d69f9962d9b4e621f81fc395b1afc497ab48d9", kill_on_drop: false }`
[INFO] [stdout] 6216bec5ab9adad9f3602c8c18d69f9962d9b4e621f81fc395b1afc497ab48d9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29320876c9a5b2b690ebcf57baeb0e3d83475b30841b96b7440be4a61d4995c1
[INFO] running `Command { std: "docker" "start" "-a" "29320876c9a5b2b690ebcf57baeb0e3d83475b30841b96b7440be4a61d4995c1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/low_latency_log-737e9b779487fb88)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_log_func_size ... ok
[INFO] [stdout] test fmt_utils::tests::test_write_u32 ... 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
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "29320876c9a5b2b690ebcf57baeb0e3d83475b30841b96b7440be4a61d4995c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29320876c9a5b2b690ebcf57baeb0e3d83475b30841b96b7440be4a61d4995c1", kill_on_drop: false }`
[INFO] [stdout] 29320876c9a5b2b690ebcf57baeb0e3d83475b30841b96b7440be4a61d4995c1
