[INFO] fetching crate hnsw 0.4.0...
[INFO] checking hnsw-0.4.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate hnsw 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hnsw 0.4.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hnsw 0.4.0
[INFO] finished tweaking crates.io crate hnsw 0.4.0
[INFO] tweaked toml for crates.io crate hnsw 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hnsw 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] c6fb0baf1efebb2e08a3c7ceb68231973f05d4b9d6fad2ce6c8680a106c54cb0
[INFO] running `"docker" "start" "-a" "c6fb0baf1efebb2e08a3c7ceb68231973f05d4b9d6fad2ce6c8680a106c54cb0"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking gnuplot v0.0.31
[INFO] [stderr]     Checking hamming-heap v0.4.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking easybench v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rand_distr v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking hnsw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.26s
[INFO] running `"docker" "inspect" "c6fb0baf1efebb2e08a3c7ceb68231973f05d4b9d6fad2ce6c8680a106c54cb0"`
[INFO] running `"docker" "rm" "-f" "c6fb0baf1efebb2e08a3c7ceb68231973f05d4b9d6fad2ce6c8680a106c54cb0"`
[INFO] [stdout] c6fb0baf1efebb2e08a3c7ceb68231973f05d4b9d6fad2ce6c8680a106c54cb0