[INFO] updating cached repository https://github.com/katharostech/amethyst-ecs-benchmarks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c718d53eb8e39c1c19254b64742331ed4e033ca
[INFO] checking katharostech/amethyst-ecs-benchmarks against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkatharostech%2Famethyst-ecs-benchmarks" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/katharostech/amethyst-ecs-benchmarks on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/katharostech/amethyst-ecs-benchmarks
[INFO] finished tweaking git repo https://github.com/katharostech/amethyst-ecs-benchmarks
[INFO] tweaked toml for git repo https://github.com/katharostech/amethyst-ecs-benchmarks written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/katharostech/amethyst-ecs-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 29d86df70287ef7f0164c187159c367f84d225314b4606a0104b479b7562abe7
[INFO] running `"docker" "start" "-a" "29d86df70287ef7f0164c187159c367f84d225314b4606a0104b479b7562abe7"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
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[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.8
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[INFO] [stderr]     Checking generic-array v0.12.3
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking crossbeam-queue v0.1.2
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[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling thread-id v3.3.0
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[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking amethyst_error v0.2.0 (https://github.com/amethyst/amethyst#af3bf68a)
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling shred-derive v0.6.1
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling derive-new v0.5.7
[INFO] [stderr]    Compiling alga_derive v0.9.1
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[INFO] [stderr]     Checking shred v0.9.2
[INFO] [stderr]     Checking specs v0.15.0
[INFO] [stderr]     Checking specs-hierarchy v0.5.1
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bstr v0.2.6
[INFO] [stderr]     Checking alga v0.9.1
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[INFO] [stderr]     Checking slog-async v2.3.0
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[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking flame v0.2.1-pre (https://github.com/TyOverby/flame.git#ef090438)
[INFO] [stderr]     Checking legion v0.1.1 (https://github.com/katharostech/legion.git?branch=ktech-updates#e835e97b)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]     Checking amethyst_core v0.7.0 (https://github.com/amethyst/amethyst#af3bf68a)
[INFO] [stderr]     Checking amethyst-ecs-benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> benches/specs.rs:51:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 for (i, e) in ents.iter().enumerate() {
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 36s
[INFO] running `"docker" "inspect" "29d86df70287ef7f0164c187159c367f84d225314b4606a0104b479b7562abe7"`
[INFO] running `"docker" "rm" "-f" "29d86df70287ef7f0164c187159c367f84d225314b4606a0104b479b7562abe7"`
[INFO] [stdout] 29d86df70287ef7f0164c187159c367f84d225314b4606a0104b479b7562abe7