[INFO] cloning repository https://github.com/eGluZl/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eGluZl/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d357666a2459359e6ab9aab942dbc6f4a48fe02d
[INFO] checking eGluZl/rust-learn against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FeGluZl%2Frust-learn" "/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/eGluZl/rust-learn on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eGluZl/rust-learn
[INFO] finished tweaking git repo https://github.com/eGluZl/rust-learn
[INFO] tweaked toml for git repo https://github.com/eGluZl/rust-learn written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/eGluZl/rust-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] cb0722653918238e8a27d5362d9cc1d958a31f84b7a833fa6e384c4215abb79b
[INFO] running `Command { std: "docker" "start" "-a" "cb0722653918238e8a27d5362d9cc1d958a31f84b7a833fa6e384c4215abb79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb0722653918238e8a27d5362d9cc1d958a31f84b7a833fa6e384c4215abb79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0722653918238e8a27d5362d9cc1d958a31f84b7a833fa6e384c4215abb79b", kill_on_drop: false }`
[INFO] [stdout] cb0722653918238e8a27d5362d9cc1d958a31f84b7a833fa6e384c4215abb79b
[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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6aaa5a30b6bef5e2b7b59f4c9624403ee2c6373b04941c3cd9711eae6bf870
[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" "3b6aaa5a30b6bef5e2b7b59f4c9624403ee2c6373b04941c3cd9711eae6bf870", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3b6aaa5a30b6bef5e2b7b59f4c9624403ee2c6373b04941c3cd9711eae6bf870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6aaa5a30b6bef5e2b7b59f4c9624403ee2c6373b04941c3cd9711eae6bf870", kill_on_drop: false }`
[INFO] [stdout] 3b6aaa5a30b6bef5e2b7b59f4c9624403ee2c6373b04941c3cd9711eae6bf870