[INFO] cloning repository https://github.com/mhoey/wumpus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhoey/wumpus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhoey%2Fwumpus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhoey%2Fwumpus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5118591bc3555d8fc9a3e12503822f679c79158 [INFO] checking mhoey/wumpus against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhoey%2Fwumpus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mhoey/wumpus [INFO] finished tweaking git repo https://github.com/mhoey/wumpus [INFO] tweaked toml for git repo https://github.com/mhoey/wumpus written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mhoey/wumpus on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b95e46fd6c114c983f81976eb29cf919253cbf51d222853caeccb7968c0460d [INFO] running `Command { std: "docker" "start" "-a" "7b95e46fd6c114c983f81976eb29cf919253cbf51d222853caeccb7968c0460d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b95e46fd6c114c983f81976eb29cf919253cbf51d222853caeccb7968c0460d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b95e46fd6c114c983f81976eb29cf919253cbf51d222853caeccb7968c0460d", kill_on_drop: false }` [INFO] [stdout] 7b95e46fd6c114c983f81976eb29cf919253cbf51d222853caeccb7968c0460d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fb1ee4b29910b3b52d267139877741fae10bb77ca2daef1425baeca4c841843 [INFO] running `Command { std: "docker" "start" "-a" "9fb1ee4b29910b3b52d267139877741fae10bb77ca2daef1425baeca4c841843", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.105 [INFO] [stderr] Compiling bumpalo v3.19.0 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling wasm-bindgen v0.2.105 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.105 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.55 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.105 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking js-sys v0.3.82 [INFO] [stderr] Checking wumpus-take-ii v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::os_random::OsRandom` [INFO] [stdout] --> src/util/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use self::os_random::OsRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OsRandom` is never constructed [INFO] [stdout] --> src/util/os_random.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct OsRandom; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_actors` is never used [INFO] [stdout] --> src/game/game.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl Game { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn get_actors(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_game_over` and `show_instructions` are never used [INFO] [stdout] --> src/textgame/textgame.rs:239:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl TextGame { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 239 | pub fn is_game_over(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 246 | fn show_instructions(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/game/game.rs:184:44 [INFO] [stdout] | [INFO] [stdout] 184 | let room_value: Result = room.try_into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/game/game.rs:185:15 [INFO] [stdout] | [INFO] [stdout] 185 | match room_value { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/game/game.rs:300:28 [INFO] [stdout] | [INFO] [stdout] 300 | let current_room = usize::try_from(your_location).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wumpus-take-ii` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9fb1ee4b29910b3b52d267139877741fae10bb77ca2daef1425baeca4c841843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fb1ee4b29910b3b52d267139877741fae10bb77ca2daef1425baeca4c841843", kill_on_drop: false }` [INFO] [stdout] 9fb1ee4b29910b3b52d267139877741fae10bb77ca2daef1425baeca4c841843