[INFO] fetching crate fast_log 1.7.7...
[INFO] checking fast_log-1.7.7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fast_log 1.7.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fast_log 1.7.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fast_log 1.7.7
[INFO] tweaked toml for crates.io crate fast_log 1.7.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_log 1.7.7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast_log 1.7.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79a3c4f342411623fec58d763c62e989d98b23892b427d6eafd146fc1d446d7
[INFO] running `Command { std: "docker" "start" "-a" "f79a3c4f342411623fec58d763c62e989d98b23892b427d6eafd146fc1d446d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79a3c4f342411623fec58d763c62e989d98b23892b427d6eafd146fc1d446d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79a3c4f342411623fec58d763c62e989d98b23892b427d6eafd146fc1d446d7", kill_on_drop: false }`
[INFO] [stdout] f79a3c4f342411623fec58d763c62e989d98b23892b427d6eafd146fc1d446d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70e65780c461ccdbb4cdee42e1d8442f7b390d28ee14d2aa70565f2bad4c187e
[INFO] running `Command { std: "docker" "start" "-a" "70e65780c461ccdbb4cdee42e1d8442f7b390d28ee14d2aa70565f2bad4c187e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking dark-std v0.2.16
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking fastdate v0.3.32
[INFO] [stderr]     Checking fast_log v1.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `bench_black_box` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> benches/log.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(bench_black_box)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bench_black_box` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> benches/log_file.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(bench_black_box)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "70e65780c461ccdbb4cdee42e1d8442f7b390d28ee14d2aa70565f2bad4c187e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e65780c461ccdbb4cdee42e1d8442f7b390d28ee14d2aa70565f2bad4c187e", kill_on_drop: false }`
[INFO] [stdout] 70e65780c461ccdbb4cdee42e1d8442f7b390d28ee14d2aa70565f2bad4c187e