[INFO] cloning repository https://github.com/howeih/Day-20-Linearithmic-multiplication [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-20-Linearithmic-multiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-20-Linearithmic-multiplication", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-20-Linearithmic-multiplication'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90776a95e54a5e2a3b0bb10dd1064749484f6588 [INFO] checking howeih/Day-20-Linearithmic-multiplication against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-20-Linearithmic-multiplication" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/howeih/Day-20-Linearithmic-multiplication on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/howeih/Day-20-Linearithmic-multiplication [INFO] finished tweaking git repo https://github.com/howeih/Day-20-Linearithmic-multiplication [INFO] tweaked toml for git repo https://github.com/howeih/Day-20-Linearithmic-multiplication written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/howeih/Day-20-Linearithmic-multiplication already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustfft v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 779b32c5b99c3178a49b7dd9cf7e396fffd004ec32bc881f65e9aec12f19c61d [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" "779b32c5b99c3178a49b7dd9cf7e396fffd004ec32bc881f65e9aec12f19c61d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "779b32c5b99c3178a49b7dd9cf7e396fffd004ec32bc881f65e9aec12f19c61d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "779b32c5b99c3178a49b7dd9cf7e396fffd004ec32bc881f65e9aec12f19c61d", kill_on_drop: false }` [INFO] [stdout] 779b32c5b99c3178a49b7dd9cf7e396fffd004ec32bc881f65e9aec12f19c61d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebc7b1831fa38ccbbabc0dfa6234690032a833a73114e611c70ac673c65ccb59 [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" "ebc7b1831fa38ccbbabc0dfa6234690032a833a73114e611c70ac673c65ccb59", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rustfft v2.0.0 [INFO] [stderr] Checking linearithmic_multiplication v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.45s [INFO] running `Command { std: "docker" "inspect" "ebc7b1831fa38ccbbabc0dfa6234690032a833a73114e611c70ac673c65ccb59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebc7b1831fa38ccbbabc0dfa6234690032a833a73114e611c70ac673c65ccb59", kill_on_drop: false }` [INFO] [stdout] ebc7b1831fa38ccbbabc0dfa6234690032a833a73114e611c70ac673c65ccb59