[INFO] cloning repository https://github.com/masinc/nlp100-2020-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masinc/nlp100-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-2020-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-2020-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7aa942e8becba68b5300bbe5d2cebb501f4b6783 [INFO] checking masinc/nlp100-2020-rust against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasinc%2Fnlp100-2020-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/masinc/nlp100-2020-rust on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/masinc/nlp100-2020-rust [INFO] finished tweaking git repo https://github.com/masinc/nlp100-2020-rust [INFO] tweaked toml for git repo https://github.com/masinc/nlp100-2020-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/masinc/nlp100-2020-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 1ea3aa722572000e2bd9f6959e66779a933e210ea172c63061be927bbfb1a293 [INFO] running `Command { std: "docker" "start" "-a" "1ea3aa722572000e2bd9f6959e66779a933e210ea172c63061be927bbfb1a293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ea3aa722572000e2bd9f6959e66779a933e210ea172c63061be927bbfb1a293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea3aa722572000e2bd9f6959e66779a933e210ea172c63061be927bbfb1a293", kill_on_drop: false }` [INFO] [stdout] 1ea3aa722572000e2bd9f6959e66779a933e210ea172c63061be927bbfb1a293 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6dd0b82b38fbb1005d82b9e5a19b41889f8f8eefa5fabc10d927fcff0e69e0c6 [INFO] running `Command { std: "docker" "start" "-a" "6dd0b82b38fbb1005d82b9e5a19b41889f8f8eefa5fabc10d927fcff0e69e0c6", kill_on_drop: false }` [INFO] [stderr] Checking nlp100-2020-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `Command { std: "docker" "inspect" "6dd0b82b38fbb1005d82b9e5a19b41889f8f8eefa5fabc10d927fcff0e69e0c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dd0b82b38fbb1005d82b9e5a19b41889f8f8eefa5fabc10d927fcff0e69e0c6", kill_on_drop: false }` [INFO] [stdout] 6dd0b82b38fbb1005d82b9e5a19b41889f8f8eefa5fabc10d927fcff0e69e0c6