[INFO] updating cached repository https://github.com/rutrum/wumpus
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0789ff2e260d15e8e58f3fe956c1d0cc555dba77
[INFO] checking rutrum/wumpus against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fwumpus" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutrum/wumpus on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rutrum/wumpus
[INFO] finished tweaking git repo https://github.com/rutrum/wumpus
[INFO] tweaked toml for git repo https://github.com/rutrum/wumpus written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rutrum/wumpus already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b5b111080253c3501711aa3bbb9a810203998a1ad8476011197be8a8ec9be20
[INFO] running `"docker" "start" "-a" "5b5b111080253c3501711aa3bbb9a810203998a1ad8476011197be8a8ec9be20"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking wumpus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `chad_from`
[INFO] [stderr]  --> src/prompt.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn chad_from(s: String) -> Result<Action, ActionError> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EmptyCommand`
[INFO] [stderr]   --> src/prompt.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     EmptyCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidNumber`
[INFO] [stderr]   --> src/prompt.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     InvalidNumber,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]   --> src/prompt.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     InvalidCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoNumber`
[INFO] [stderr]   --> src/prompt.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     NoNumber,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `chad_from`
[INFO] [stderr]  --> src/prompt.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn chad_from(s: String) -> Result<Action, ActionError> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EmptyCommand`
[INFO] [stderr]   --> src/prompt.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     EmptyCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidNumber`
[INFO] [stderr]   --> src/prompt.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     InvalidNumber,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]   --> src/prompt.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     InvalidCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoNumber`
[INFO] [stderr]   --> src/prompt.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     NoNumber,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `"docker" "inspect" "5b5b111080253c3501711aa3bbb9a810203998a1ad8476011197be8a8ec9be20"`
[INFO] running `"docker" "rm" "-f" "5b5b111080253c3501711aa3bbb9a810203998a1ad8476011197be8a8ec9be20"`
[INFO] [stdout] 5b5b111080253c3501711aa3bbb9a810203998a1ad8476011197be8a8ec9be20