[INFO] fetching crate maplit 1.0.2...
[INFO] checking maplit-1.0.2 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate maplit 1.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate maplit 1.0.2 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate maplit 1.0.2
[INFO] finished tweaking crates.io crate maplit 1.0.2
[INFO] tweaked toml for crates.io crate maplit 1.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] 742a0eb98fc126b5e8e36e830aff126b303b533b86a9ed5b3e938dd9d06b2c10
[INFO] running `"docker" "start" "-a" "742a0eb98fc126b5e8e36e830aff126b303b533b86a9ed5b3e938dd9d06b2c10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking maplit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stderr]    |              ^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 |     hashmap!{{1 + 2} => 1, (1 + 3) => {0 + 2}};
[INFO] [stderr]    |                                       ^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]   --> tests/tests.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     hashset!{{1 + 1}, (2 + 1)};
[INFO] [stderr]    |              ^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "742a0eb98fc126b5e8e36e830aff126b303b533b86a9ed5b3e938dd9d06b2c10"`
[INFO] running `"docker" "rm" "-f" "742a0eb98fc126b5e8e36e830aff126b303b533b86a9ed5b3e938dd9d06b2c10"`
[INFO] [stdout] 742a0eb98fc126b5e8e36e830aff126b303b533b86a9ed5b3e938dd9d06b2c10