[INFO] cloning repository https://github.com/rutrum/wumpus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutrum/wumpus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fwumpus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fwumpus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0789ff2e260d15e8e58f3fe956c1d0cc555dba77
[INFO] checking rutrum/wumpus against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fwumpus" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutrum/wumpus on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rutrum/wumpus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e59c26503f56a9220c7de4c5a1b4194759a9671baa6e1f86cad921fd804878
[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" "46e59c26503f56a9220c7de4c5a1b4194759a9671baa6e1f86cad921fd804878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e59c26503f56a9220c7de4c5a1b4194759a9671baa6e1f86cad921fd804878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e59c26503f56a9220c7de4c5a1b4194759a9671baa6e1f86cad921fd804878", kill_on_drop: false }`
[INFO] [stdout] 46e59c26503f56a9220c7de4c5a1b4194759a9671baa6e1f86cad921fd804878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39814f864409ebf3e03599d384817eafb3b8735404d84524dc7a152d1147d34e
[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" "39814f864409ebf3e03599d384817eafb3b8735404d84524dc7a152d1147d34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.13
[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] [stdout] warning: associated function is never used: `chad_from`
[INFO] [stdout]  --> src/prompt.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn chad_from(s: String) -> Result<Action, ActionError> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmptyCommand`
[INFO] [stdout]   --> src/prompt.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     EmptyCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidNumber`
[INFO] [stdout]   --> src/prompt.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     InvalidNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommand`
[INFO] [stdout]   --> src/prompt.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoNumber`
[INFO] [stdout]   --> src/prompt.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     NoNumber,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chad_from`
[INFO] [stdout]  --> src/prompt.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn chad_from(s: String) -> Result<Action, ActionError> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EmptyCommand`
[INFO] [stdout]   --> src/prompt.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     EmptyCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidNumber`
[INFO] [stdout]   --> src/prompt.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     InvalidNumber,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCommand`
[INFO] [stdout]   --> src/prompt.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoNumber`
[INFO] [stdout]   --> src/prompt.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     NoNumber,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "39814f864409ebf3e03599d384817eafb3b8735404d84524dc7a152d1147d34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39814f864409ebf3e03599d384817eafb3b8735404d84524dc7a152d1147d34e", kill_on_drop: false }`
[INFO] [stdout] 39814f864409ebf3e03599d384817eafb3b8735404d84524dc7a152d1147d34e