[INFO] cloning repository https://github.com/grng3r/algorithms_mit_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grng3r/algorithms_mit_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Falgorithms_mit_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Falgorithms_mit_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8bf8d4b843bcfdf3ae9200b64836883e9eb922b [INFO] checking grng3r/algorithms_mit_practice against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Falgorithms_mit_practice" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grng3r/algorithms_mit_practice on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grng3r/algorithms_mit_practice [INFO] finished tweaking git repo https://github.com/grng3r/algorithms_mit_practice [INFO] tweaked toml for git repo https://github.com/grng3r/algorithms_mit_practice written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/grng3r/algorithms_mit_practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d18a48613d8b0e01e679400bf3cb2245effb23e99af8ba4cb340473d26fb9620 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d18a48613d8b0e01e679400bf3cb2245effb23e99af8ba4cb340473d26fb9620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d18a48613d8b0e01e679400bf3cb2245effb23e99af8ba4cb340473d26fb9620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d18a48613d8b0e01e679400bf3cb2245effb23e99af8ba4cb340473d26fb9620", kill_on_drop: false }` [INFO] [stdout] d18a48613d8b0e01e679400bf3cb2245effb23e99af8ba4cb340473d26fb9620 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3389eb96a9f6bbc0a8dfeaeae2f91a263528c3303d185064c1f482bf48786682 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3389eb96a9f6bbc0a8dfeaeae2f91a263528c3303d185064c1f482bf48786682", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking introduction_to_algorithms_3d_edition v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.20s [INFO] running `Command { std: "docker" "inspect" "3389eb96a9f6bbc0a8dfeaeae2f91a263528c3303d185064c1f482bf48786682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3389eb96a9f6bbc0a8dfeaeae2f91a263528c3303d185064c1f482bf48786682", kill_on_drop: false }` [INFO] [stdout] 3389eb96a9f6bbc0a8dfeaeae2f91a263528c3303d185064c1f482bf48786682