[INFO] cloning repository https://github.com/azdcf/tcrt2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azdcf/tcrt2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazdcf%2Ftcrt2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazdcf%2Ftcrt2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa15dcebf4fe046fbf4bd3881df909330a4b39da
[INFO] checking azdcf/tcrt2020 against try#4e3d7541a523df82cea75064e44e60ae9a008bcb for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazdcf%2Ftcrt2020" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azdcf/tcrt2020 on toolchain 4e3d7541a523df82cea75064e44e60ae9a008bcb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/azdcf/tcrt2020
[INFO] finished tweaking git repo https://github.com/azdcf/tcrt2020
[INFO] tweaked toml for git repo https://github.com/azdcf/tcrt2020 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/azdcf/tcrt2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f1f026bb41c42130b3cbc342a477a8607527d19faf6c67105cd0dbe81b9596
[INFO] running `Command { std: "docker" "start" "-a" "28f1f026bb41c42130b3cbc342a477a8607527d19faf6c67105cd0dbe81b9596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f1f026bb41c42130b3cbc342a477a8607527d19faf6c67105cd0dbe81b9596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f1f026bb41c42130b3cbc342a477a8607527d19faf6c67105cd0dbe81b9596", kill_on_drop: false }`
[INFO] [stdout] 28f1f026bb41c42130b3cbc342a477a8607527d19faf6c67105cd0dbe81b9596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d548b3f7fb6512496b6f96b72e5a0bea58d3b5094a6221c5c569f1630a40fb0e
[INFO] running `Command { std: "docker" "start" "-a" "d548b3f7fb6512496b6f96b72e5a0bea58d3b5094a6221c5c569f1630a40fb0e", kill_on_drop: false }`
[INFO] [stderr]     Checking torchbearer v0.5.3
[INFO] [stderr]     Checking bear-lib-terminal-sys v1.3.0
[INFO] [stderr]     Checking bear-lib-terminal v2.0.0
[INFO] [stderr]     Checking txgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PathMap`, `astar_path_fourwaygrid`
[INFO] [stdout]  --> src/map.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use torchbearer::path::{astar_path_fourwaygrid, PathMap};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathMap`, `astar_path_fourwaygrid`
[INFO] [stdout]  --> src/map.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use torchbearer::path::{astar_path_fourwaygrid, PathMap};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     for i in 0..6 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_floor`
[INFO] [stdout]    --> src/main.rs:385:35
[INFO] [stdout]     |
[INFO] [stdout] 385 |                     let (glyph,fg,is_floor) = ROOM_LUT[mask];
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_floor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `free_index`
[INFO] [stdout]    --> src/main.rs:340:25
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn create_room_entities(free_index: usize, r: &Room, empty: bool) -> Vec<entity::Entity> {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/main.rs:443:23
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn new_floor(id: u32, from: u32) -> Floor {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/map.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_mem_map(&self, x: i32, y: i32, c: char) -> Option<&char> {
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity`
[INFO] [stdout]    --> src/systems.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn walk_stairs(entity: &mut Entity, gs: &mut GameState) {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut map = Map::new(80, 40);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mem_map`
[INFO] [stdout]   --> src/map.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_mem_map(&self, x: i32, y: i32, c: char) -> Option<&char> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `erase_mem`
[INFO] [stdout]   --> src/map.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn erase_mem(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Item`
[INFO] [stdout]    --> src/entity.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Item(usize),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `EntityID` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/entity.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Clone, Copy)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     for i in 0..6 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_floor`
[INFO] [stdout]    --> src/main.rs:385:35
[INFO] [stdout]     |
[INFO] [stdout] 385 |                     let (glyph,fg,is_floor) = ROOM_LUT[mask];
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_floor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `free_index`
[INFO] [stdout]    --> src/main.rs:340:25
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn create_room_entities(free_index: usize, r: &Room, empty: bool) -> Vec<entity::Entity> {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_free_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/main.rs:443:23
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn new_floor(id: u32, from: u32) -> Floor {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/map.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_mem_map(&self, x: i32, y: i32, c: char) -> Option<&char> {
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity`
[INFO] [stdout]    --> src/systems.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn walk_stairs(entity: &mut Entity, gs: &mut GameState) {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut map = Map::new(80, 40);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mem_map`
[INFO] [stdout]   --> src/map.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_mem_map(&self, x: i32, y: i32, c: char) -> Option<&char> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `erase_mem`
[INFO] [stdout]   --> src/map.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn erase_mem(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Item`
[INFO] [stdout]    --> src/entity.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Item(usize),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `EntityID` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/entity.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Clone, Copy)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "d548b3f7fb6512496b6f96b72e5a0bea58d3b5094a6221c5c569f1630a40fb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d548b3f7fb6512496b6f96b72e5a0bea58d3b5094a6221c5c569f1630a40fb0e", kill_on_drop: false }`
[INFO] [stdout] d548b3f7fb6512496b6f96b72e5a0bea58d3b5094a6221c5c569f1630a40fb0e