[INFO] updating cached repository https://github.com/ThomasChisholm/algorithms
[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] 7aa456a32af92369901036b86f4dffd01416df9e
[INFO] checking ThomasChisholm/algorithms against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasChisholm%2Falgorithms" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/ThomasChisholm/algorithms on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ThomasChisholm/algorithms
[INFO] finished tweaking git repo https://github.com/ThomasChisholm/algorithms
[INFO] tweaked toml for git repo https://github.com/ThomasChisholm/algorithms written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasChisholm/algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 0bab447c8539beca0745a15908a4ac9021f92ea6ad12cf487b32b3c794b50410
[INFO] running `"docker" "start" "-a" "0bab447c8539beca0745a15908a4ac9021f92ea6ad12cf487b32b3c794b50410"`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling rug v1.4.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking fmt v0.1.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking itertools v0.8.0
[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]    Compiling gmp-mpfr-sys v1.1.12
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[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]     Checking algorithms-stanford v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/strongly_connected_components_tests.rs:73:45
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn test_find_scc_thread(test: &'static (Fn() -> () + Send + Sync + 'static)) {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> () + Send + Sync + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 06s
[INFO] running `"docker" "inspect" "0bab447c8539beca0745a15908a4ac9021f92ea6ad12cf487b32b3c794b50410"`
[INFO] running `"docker" "rm" "-f" "0bab447c8539beca0745a15908a4ac9021f92ea6ad12cf487b32b3c794b50410"`
[INFO] [stdout] 0bab447c8539beca0745a15908a4ac9021f92ea6ad12cf487b32b3c794b50410