[INFO] cloning repository https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WorqHat/Roguelike-Dungeon-Game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWorqHat%2FRoguelike-Dungeon-Game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWorqHat%2FRoguelike-Dungeon-Game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7e1e28d18c2345c8f3f7898cf5655392eb30b91
[INFO] checking WorqHat/Roguelike-Dungeon-Game against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWorqHat%2FRoguelike-Dungeon-Game" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WorqHat/Roguelike-Dungeon-Game on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] finished tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] tweaked toml for git repo https://github.com/WorqHat/Roguelike-Dungeon-Game written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/WorqHat/Roguelike-Dungeon-Game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking WorqHat/Roguelike-Dungeon-Game against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWorqHat%2FRoguelike-Dungeon-Game" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WorqHat/Roguelike-Dungeon-Game on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] finished tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] tweaked toml for git repo https://github.com/WorqHat/Roguelike-Dungeon-Game written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/WorqHat/Roguelike-Dungeon-Game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking WorqHat/Roguelike-Dungeon-Game against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWorqHat%2FRoguelike-Dungeon-Game" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WorqHat/Roguelike-Dungeon-Game on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] finished tweaking git repo https://github.com/WorqHat/Roguelike-Dungeon-Game
[INFO] tweaked toml for git repo https://github.com/WorqHat/Roguelike-Dungeon-Game written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/WorqHat/Roguelike-Dungeon-Game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.1.14
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded bitflags v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.12
[INFO] [stderr]   Downloaded serde_json v1.0.20
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded tcod v0.15.0
[INFO] [stderr]   Downloaded pkg-config v0.3.7
[INFO] [stderr]   Downloaded tcod-sys v5.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fae8e6e1ed0ae93372aae488ae3c59ad75f55b360ddf3db4fb23f687afdeddb
[INFO] running `Command { std: "docker" "start" "-a" "7fae8e6e1ed0ae93372aae488ae3c59ad75f55b360ddf3db4fb23f687afdeddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fae8e6e1ed0ae93372aae488ae3c59ad75f55b360ddf3db4fb23f687afdeddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fae8e6e1ed0ae93372aae488ae3c59ad75f55b360ddf3db4fb23f687afdeddb", kill_on_drop: false }`
[INFO] [stdout] 7fae8e6e1ed0ae93372aae488ae3c59ad75f55b360ddf3db4fb23f687afdeddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eda1c701fc04b559e4ab8cbd19d7d16d668cbf2379612632ff2ad6b5f89eef8
[INFO] running `Command { std: "docker" "start" "-a" "3eda1c701fc04b559e4ab8cbd19d7d16d668cbf2379612632ff2ad6b5f89eef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking lazy_static v0.1.14
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking roguelike-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `create_v_tunnel` is never used
[INFO] [stdout]    --> src/bin/part-3a-building-blocks.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn create_v_tunnel(y1: i32, y2: i32, x: i32, map: &mut Map) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_v_tunnel` is never used
[INFO] [stdout]    --> src/bin/part-3a-building-blocks.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn create_v_tunnel(y1: i32, y2: i32, x: i32, map: &mut Map) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3eda1c701fc04b559e4ab8cbd19d7d16d668cbf2379612632ff2ad6b5f89eef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eda1c701fc04b559e4ab8cbd19d7d16d668cbf2379612632ff2ad6b5f89eef8", kill_on_drop: false }`
[INFO] [stdout] 3eda1c701fc04b559e4ab8cbd19d7d16d668cbf2379612632ff2ad6b5f89eef8