[INFO] updating cached repository https://github.com/Xaeroxe/specs-bench
[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] b74b156bd8cc57474565f7ed184605656c7be8fa
[INFO] checking Xaeroxe/specs-bench against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXaeroxe%2Fspecs-bench" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xaeroxe/specs-bench on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Xaeroxe/specs-bench
[INFO] finished tweaking git repo https://github.com/Xaeroxe/specs-bench
[INFO] tweaked toml for git repo https://github.com/Xaeroxe/specs-bench written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Xaeroxe/specs-bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] e6fea472f145d9a47da9a6036c9bd874b853217947a080a0fdb5381955139a72
[INFO] running `"docker" "start" "-a" "e6fea472f145d9a47da9a6036c9bd874b853217947a080a0fdb5381955139a72"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking shred v0.7.1
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]     Checking shrev v1.0.1
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]     Checking specs-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         for j in 0..CAPACITY {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         for j in (world.read_storage::<NullStorageComponent>()).join() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     world.delete_entity(e);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         for j in 0..CAPACITY {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         for j in (world.read_storage::<NullStorageComponent>()).join() {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     world.delete_entity(e);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.92s
[INFO] running `"docker" "inspect" "e6fea472f145d9a47da9a6036c9bd874b853217947a080a0fdb5381955139a72"`
[INFO] running `"docker" "rm" "-f" "e6fea472f145d9a47da9a6036c9bd874b853217947a080a0fdb5381955139a72"`
[INFO] [stdout] e6fea472f145d9a47da9a6036c9bd874b853217947a080a0fdb5381955139a72