[INFO] crate criterion 0.3.1 is already in cache
[INFO] checking criterion-0.3.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate criterion 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate criterion 0.3.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate criterion 0.3.1
[INFO] finished tweaking crates.io crate criterion 0.3.1
[INFO] tweaked toml for crates.io crate criterion 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 63621a3f342ed8e8038a7bd1b2d8a41b7c940eebb59e491cd23a282e070ef66b
[INFO] running `"docker" "start" "-a" "63621a3f342ed8e8038a7bd1b2d8a41b7c940eebb59e491cd23a282e070ef66b"`
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking criterion v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]    --> src/lib.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |     static ref DEBUG_ENABLED: bool = { std::env::vars().any(|(key, _)| key == "CRITERION_DEBUG") };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]    --> src/lib.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 |     static ref GNUPLOT_VERSION: Result<Version, VersionError> = { criterion_plot::version() };
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]    --> src/lib.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 |     static ref DEBUG_ENABLED: bool = { std::env::vars().any(|(key, _)| key == "CRITERION_DEBUG") };
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary braces around block return value
[INFO] [stderr]    --> src/lib.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 |     static ref GNUPLOT_VERSION: Result<Version, VersionError> = { criterion_plot::version() };
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `criterion`.
[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: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `criterion`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63621a3f342ed8e8038a7bd1b2d8a41b7c940eebb59e491cd23a282e070ef66b"`
[INFO] running `"docker" "rm" "-f" "63621a3f342ed8e8038a7bd1b2d8a41b7c940eebb59e491cd23a282e070ef66b"`
[INFO] [stdout] 63621a3f342ed8e8038a7bd1b2d8a41b7c940eebb59e491cd23a282e070ef66b
