[INFO] cloning repository https://github.com/PatrickMcLennan/rust_hangman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrickMcLennan/rust_hangman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_hangman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_hangman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7f37b08876f097dd37adfa87d8ec730df1b368
[INFO] checking PatrickMcLennan/rust_hangman against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_hangman" "/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/PatrickMcLennan/rust_hangman on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PatrickMcLennan/rust_hangman
[INFO] finished tweaking git repo https://github.com/PatrickMcLennan/rust_hangman
[INFO] tweaked toml for git repo https://github.com/PatrickMcLennan/rust_hangman written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/PatrickMcLennan/rust_hangman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d939c3b8edc3291254a5fcad72535f16c2b51e4e9a0e0ca6d42bede9a58b0bb0
[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" "d939c3b8edc3291254a5fcad72535f16c2b51e4e9a0e0ca6d42bede9a58b0bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d939c3b8edc3291254a5fcad72535f16c2b51e4e9a0e0ca6d42bede9a58b0bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d939c3b8edc3291254a5fcad72535f16c2b51e4e9a0e0ca6d42bede9a58b0bb0", kill_on_drop: false }`
[INFO] [stdout] d939c3b8edc3291254a5fcad72535f16c2b51e4e9a0e0ca6d42bede9a58b0bb0
[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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] 54df1ad0c7c90c266b958542f301608489badf6446a7885aeb1fd48befad15eb
[INFO] running `Command { std: "docker" "start" "-a" "54df1ad0c7c90c266b958542f301608489badf6446a7885aeb1fd48befad15eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust_hangman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "54df1ad0c7c90c266b958542f301608489badf6446a7885aeb1fd48befad15eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54df1ad0c7c90c266b958542f301608489badf6446a7885aeb1fd48befad15eb", kill_on_drop: false }`
[INFO] [stdout] 54df1ad0c7c90c266b958542f301608489badf6446a7885aeb1fd48befad15eb