[INFO] cloning repository https://github.com/howeih/Day-21-k-means
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-21-k-means" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-21-k-means", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-21-k-means'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d6de0552e26663c9dc9f83d4d5c4dd469a1793
[INFO] building howeih/Day-21-k-means against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-21-k-means" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-21-k-means on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-21-k-means
[INFO] finished tweaking git repo https://github.com/howeih/Day-21-k-means
[INFO] tweaked toml for git repo https://github.com/howeih/Day-21-k-means written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-21-k-means already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20492f65d2dce4933d3576f0f9030119888be424dea910ab2c5eaaece4564530
[INFO] running `Command { std: "docker" "start" "-a" "20492f65d2dce4933d3576f0f9030119888be424dea910ab2c5eaaece4564530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20492f65d2dce4933d3576f0f9030119888be424dea910ab2c5eaaece4564530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20492f65d2dce4933d3576f0f9030119888be424dea910ab2c5eaaece4564530", kill_on_drop: false }`
[INFO] [stdout] 20492f65d2dce4933d3576f0f9030119888be424dea910ab2c5eaaece4564530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82c915c8232181f7a05efa6337183047072233177c86eef41ade8ca81b70f8ef
[INFO] running `Command { std: "docker" "start" "-a" "82c915c8232181f7a05efa6337183047072233177c86eef41ade8ca81b70f8ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling gnuplot v0.0.25
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling k-means v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "82c915c8232181f7a05efa6337183047072233177c86eef41ade8ca81b70f8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c915c8232181f7a05efa6337183047072233177c86eef41ade8ca81b70f8ef", kill_on_drop: false }`
[INFO] [stdout] 82c915c8232181f7a05efa6337183047072233177c86eef41ade8ca81b70f8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c00342844a56bc0d6fe10b34840337498e4f1d9d8af13704e90d248f6f05b9
[INFO] running `Command { std: "docker" "start" "-a" "b3c00342844a56bc0d6fe10b34840337498e4f1d9d8af13704e90d248f6f05b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling k-means v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/k_means-54f4bc0a64737d65)
[INFO] running `Command { std: "docker" "inspect" "b3c00342844a56bc0d6fe10b34840337498e4f1d9d8af13704e90d248f6f05b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c00342844a56bc0d6fe10b34840337498e4f1d9d8af13704e90d248f6f05b9", kill_on_drop: false }`
[INFO] [stdout] b3c00342844a56bc0d6fe10b34840337498e4f1d9d8af13704e90d248f6f05b9