[INFO] crate bolero 0.4.2 is already in cache
[INFO] checking bolero-0.4.2 against try#f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f for pr-69560
[INFO] extracting crate bolero 0.4.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bolero 0.4.2 on toolchain f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bolero 0.4.2
[INFO] finished tweaking crates.io crate bolero 0.4.2
[INFO] tweaked toml for crates.io crate bolero 0.4.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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] 4c57252fc445745676d0b3b7b9a95e97e71ba76a695bb85b6e6def4bc5d27c91
[INFO] running `"docker" "start" "-a" "4c57252fc445745676d0b3b7b9a95e97e71ba76a695bb85b6e6def4bc5d27c91"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bolero-honggfuzz v0.4.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling bolero-afl v0.4.0
[INFO] [stderr]    Compiling bolero-libfuzzer v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking libtest-mimic v0.1.0
[INFO] [stderr]     Checking bolero v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/test.rs:135:35
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let testfn = unsafe { (TESTFN.as_mut().expect("uninitialized test function")) };
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/test.rs:135:35
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let testfn = unsafe { (TESTFN.as_mut().expect("uninitialized test function")) };
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `"docker" "inspect" "4c57252fc445745676d0b3b7b9a95e97e71ba76a695bb85b6e6def4bc5d27c91"`
[INFO] running `"docker" "rm" "-f" "4c57252fc445745676d0b3b7b9a95e97e71ba76a695bb85b6e6def4bc5d27c91"`
[INFO] [stdout] 4c57252fc445745676d0b3b7b9a95e97e71ba76a695bb85b6e6def4bc5d27c91