[INFO] crate fast-logger 0.6.0 is already in cache
[INFO] checking fast-logger-0.6.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate fast-logger 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fast-logger 0.6.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fast-logger 0.6.0
[INFO] finished tweaking crates.io crate fast-logger 0.6.0
[INFO] tweaked toml for crates.io crate fast-logger 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68e3493f1a85e5f4a638ff754866fae59050742e76fb69041fd05863666aaac7
[INFO] running `"docker" "start" "-a" "68e3493f1a85e5f4a638ff754866fae59050742e76fb69041fd05863666aaac7"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking fast-logger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr] error[E0603]: static `CHANNEL_SIZE` is private
[INFO] [stderr]    --> benches/benchmark.rs:2:42
[INFO] [stderr]     |
[INFO] [stderr] 2   | use fast_logger::{info, Generic, Logger, CHANNEL_SIZE};
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ private static
[INFO] [stderr]     |
[INFO] [stderr] note: the static `CHANNEL_SIZE` is defined here
[INFO] [stderr]    --> /opt/rustwide/workdir/lib.rs:419:1
[INFO] [stderr]     |
[INFO] [stderr] 419 | static CHANNEL_SIZE: usize = 30_000;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: could not compile `fast-logger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "68e3493f1a85e5f4a638ff754866fae59050742e76fb69041fd05863666aaac7"`
[INFO] running `"docker" "rm" "-f" "68e3493f1a85e5f4a638ff754866fae59050742e76fb69041fd05863666aaac7"`
[INFO] [stdout] 68e3493f1a85e5f4a638ff754866fae59050742e76fb69041fd05863666aaac7