[INFO] updating cached repository https://github.com/krawacik3/nrtrt
[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] 18cebe27877901efff8e20f6b606f4031c431cf1
[INFO] checking krawacik3/nrtrt against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrawacik3%2Fnrtrt" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krawacik3/nrtrt on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/krawacik3/nrtrt
[INFO] finished tweaking git repo https://github.com/krawacik3/nrtrt
[INFO] tweaked toml for git repo https://github.com/krawacik3/nrtrt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/krawacik3/nrtrt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 7934d0ecab5ea148254ab18a86d274f95e0d2dd185b515ad01d592f3b6ec5a53
[INFO] running `"docker" "start" "-a" "7934d0ecab5ea148254ab18a86d274f95e0d2dd185b515ad01d592f3b6ec5a53"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking nrtrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `child_4`
[INFO] [stderr]    --> src/raytree.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let child_4 = ray_arena.add_node(child_3, &Ray::new_empty());
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_child_4`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child_5`
[INFO] [stderr]    --> src/raytree.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let child_5 = ray_arena.add_node(child_1, &Ray::new_empty());
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_child_5`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.86s
[INFO] running `"docker" "inspect" "7934d0ecab5ea148254ab18a86d274f95e0d2dd185b515ad01d592f3b6ec5a53"`
[INFO] running `"docker" "rm" "-f" "7934d0ecab5ea148254ab18a86d274f95e0d2dd185b515ad01d592f3b6ec5a53"`
[INFO] [stdout] 7934d0ecab5ea148254ab18a86d274f95e0d2dd185b515ad01d592f3b6ec5a53