[INFO] crate indexmap 1.3.2 is already in cache
[INFO] checking indexmap-1.3.2 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate indexmap 1.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate indexmap 1.3.2 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate indexmap 1.3.2
[INFO] finished tweaking crates.io crate indexmap 1.3.2
[INFO] tweaked toml for crates.io crate indexmap 1.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "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" "+1a399c10897767c36d147199696c96f193034e49" "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] d3f8a15494a52bc20f04a4441b51884b8eba1b98defe77284a48c4995d17ce92
[INFO] running `"docker" "start" "-a" "d3f8a15494a52bc20f04a4441b51884b8eba1b98defe77284a48c4995d17ce92"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling indexmap v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking serde_test v1.0.111
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> benches/bench.rs:360:33
[INFO] [stderr]     |
[INFO] [stderr] 360 |     static ref KEYS: Vec<u32> = { shuffled_keys(0..LOOKUP_MAP_SIZE) };
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `"docker" "inspect" "d3f8a15494a52bc20f04a4441b51884b8eba1b98defe77284a48c4995d17ce92"`
[INFO] running `"docker" "rm" "-f" "d3f8a15494a52bc20f04a4441b51884b8eba1b98defe77284a48c4995d17ce92"`
[INFO] [stdout] d3f8a15494a52bc20f04a4441b51884b8eba1b98defe77284a48c4995d17ce92