[INFO] fetching crate little_guess_game 0.1.0...
[INFO] checking little_guess_game-0.1.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate little_guess_game 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate little_guess_game 0.1.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate little_guess_game 0.1.0
[INFO] finished tweaking crates.io crate little_guess_game 0.1.0
[INFO] tweaked toml for crates.io crate little_guess_game 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate little_guess_game 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 9fa11a4e023668522b1fe137793437acbdee90b9374dce859a294f74d848d5bc
[INFO] running `Command { std: "docker" "start" "-a" "9fa11a4e023668522b1fe137793437acbdee90b9374dce859a294f74d848d5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa11a4e023668522b1fe137793437acbdee90b9374dce859a294f74d848d5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa11a4e023668522b1fe137793437acbdee90b9374dce859a294f74d848d5bc", kill_on_drop: false }`
[INFO] [stdout] 9fa11a4e023668522b1fe137793437acbdee90b9374dce859a294f74d848d5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] b354bc676e101a6b5388b3719455590b20fce9a3466a8002d0f703e81a9ca5a6
[INFO] running `Command { std: "docker" "start" "-a" "b354bc676e101a6b5388b3719455590b20fce9a3466a8002d0f703e81a9ca5a6", kill_on_drop: false }`
[INFO] [stderr]     Checking little_guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b354bc676e101a6b5388b3719455590b20fce9a3466a8002d0f703e81a9ca5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b354bc676e101a6b5388b3719455590b20fce9a3466a8002d0f703e81a9ca5a6", kill_on_drop: false }`
[INFO] [stdout] b354bc676e101a6b5388b3719455590b20fce9a3466a8002d0f703e81a9ca5a6