[INFO] fetching crate fast-logger 0.6.0...
[INFO] checking fast-logger-0.6.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate fast-logger 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fast-logger 0.6.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0aa7a3b8febbd2ce2d6c26a3a739be69d9cb778298a56f89f8dd0ed05554d783
[INFO] running `Command { std: "docker" "start" "-a" "0aa7a3b8febbd2ce2d6c26a3a739be69d9cb778298a56f89f8dd0ed05554d783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa7a3b8febbd2ce2d6c26a3a739be69d9cb778298a56f89f8dd0ed05554d783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa7a3b8febbd2ce2d6c26a3a739be69d9cb778298a56f89f8dd0ed05554d783", kill_on_drop: false }`
[INFO] [stdout] 0aa7a3b8febbd2ce2d6c26a3a739be69d9cb778298a56f89f8dd0ed05554d783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a27ccd571af30acc687111280a390828a09f83afecc7b60e203ba3ff6194f24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a27ccd571af30acc687111280a390828a09f83afecc7b60e203ba3ff6194f24", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking fast-logger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0603]: static `CHANNEL_SIZE` is private
[INFO] [stdout]    --> benches/benchmark.rs:2:42
[INFO] [stdout]     |
[INFO] [stdout] 2   | use fast_logger::{info, Generic, Logger, CHANNEL_SIZE};
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ private static
[INFO] [stdout]     |
[INFO] [stdout] note: the static `CHANNEL_SIZE` is defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/lib.rs:419:1
[INFO] [stdout]     |
[INFO] [stdout] 419 | static CHANNEL_SIZE: usize = 30_000;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "1a27ccd571af30acc687111280a390828a09f83afecc7b60e203ba3ff6194f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a27ccd571af30acc687111280a390828a09f83afecc7b60e203ba3ff6194f24", kill_on_drop: false }`
[INFO] [stdout] 1a27ccd571af30acc687111280a390828a09f83afecc7b60e203ba3ff6194f24