[INFO] cloning repository https://github.com/stereotype13/rustlings-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stereotype13/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereotype13%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereotype13%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f003f6a79b701bb72a73a336b29f051f8576252f [INFO] checking stereotype13/rustlings-solutions against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstereotype13%2Frustlings-solutions" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stereotype13/rustlings-solutions on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stereotype13/rustlings-solutions [INFO] finished tweaking git repo https://github.com/stereotype13/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/stereotype13/rustlings-solutions written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/stereotype13/rustlings-solutions already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb8bb490d2aa27ac05e4ac8c13b21bcd4bddead34f71269c3b44894354cef1ba [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" "cb8bb490d2aa27ac05e4ac8c13b21bcd4bddead34f71269c3b44894354cef1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb8bb490d2aa27ac05e4ac8c13b21bcd4bddead34f71269c3b44894354cef1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb8bb490d2aa27ac05e4ac8c13b21bcd4bddead34f71269c3b44894354cef1ba", kill_on_drop: false }` [INFO] [stdout] cb8bb490d2aa27ac05e4ac8c13b21bcd4bddead34f71269c3b44894354cef1ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 393b2df5c61a1c0d0290fe26b32582d91d8b8513bdf5e8f8f1eff5484f131658 [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" "393b2df5c61a1c0d0290fe26b32582d91d8b8513bdf5e8f8f1eff5484f131658", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking console v0.8.0 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Checking indicatif v0.10.3 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking rustlings v2.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.76s [INFO] running `Command { std: "docker" "inspect" "393b2df5c61a1c0d0290fe26b32582d91d8b8513bdf5e8f8f1eff5484f131658", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "393b2df5c61a1c0d0290fe26b32582d91d8b8513bdf5e8f8f1eff5484f131658", kill_on_drop: false }` [INFO] [stdout] 393b2df5c61a1c0d0290fe26b32582d91d8b8513bdf5e8f8f1eff5484f131658