[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#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fwumpus" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutrum/wumpus on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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-6/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] bfcdfe1893c27c2b15d3304f454b1d5b3911aaab6ea112dd89c798999e661244
[INFO] running `"docker" "start" "-a" "bfcdfe1893c27c2b15d3304f454b1d5b3911aaab6ea112dd89c798999e661244"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking getrandom v0.1.13
[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: method 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: method 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]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `"docker" "inspect" "bfcdfe1893c27c2b15d3304f454b1d5b3911aaab6ea112dd89c798999e661244"`
[INFO] running `"docker" "rm" "-f" "bfcdfe1893c27c2b15d3304f454b1d5b3911aaab6ea112dd89c798999e661244"`
[INFO] [stdout] bfcdfe1893c27c2b15d3304f454b1d5b3911aaab6ea112dd89c798999e661244