[INFO] cloning repository https://github.com/dop3ch3f/rust-kmeans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dop3ch3f/rust-kmeans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-kmeans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-kmeans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 275089a84cf2a66d7230ab2f9e97d11d61095bae
[INFO] checking dop3ch3f/rust-kmeans against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdop3ch3f%2Frust-kmeans" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dop3ch3f/rust-kmeans on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dop3ch3f/rust-kmeans
[INFO] finished tweaking git repo https://github.com/dop3ch3f/rust-kmeans
[INFO] tweaked toml for git repo https://github.com/dop3ch3f/rust-kmeans written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dop3ch3f/rust-kmeans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-machine v0.5.4
[INFO] [stderr]   Downloaded rulinalg v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76f4bee1ca0d4c5ff5e349d4c973be0bb8ca8d6d80429c73dfbffc8c1efdc995
[INFO] running `Command { std: "docker" "start" "-a" "76f4bee1ca0d4c5ff5e349d4c973be0bb8ca8d6d80429c73dfbffc8c1efdc995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f4bee1ca0d4c5ff5e349d4c973be0bb8ca8d6d80429c73dfbffc8c1efdc995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f4bee1ca0d4c5ff5e349d4c973be0bb8ca8d6d80429c73dfbffc8c1efdc995", kill_on_drop: false }`
[INFO] [stdout] 76f4bee1ca0d4c5ff5e349d4c973be0bb8ca8d6d80429c73dfbffc8c1efdc995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e1f1f7b87d1f090c65512d6a503386ad7f75f4570374df50f568382c66aae4
[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" "48e1f1f7b87d1f090c65512d6a503386ad7f75f4570374df50f568382c66aae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking cat-breeds-k-means v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `Command { std: "docker" "inspect" "48e1f1f7b87d1f090c65512d6a503386ad7f75f4570374df50f568382c66aae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e1f1f7b87d1f090c65512d6a503386ad7f75f4570374df50f568382c66aae4", kill_on_drop: false }`
[INFO] [stdout] 48e1f1f7b87d1f090c65512d6a503386ad7f75f4570374df50f568382c66aae4