[INFO] cloning repository https://github.com/rodya-mirov/palladium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodya-mirov/palladium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fpalladium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fpalladium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c42dea4389abda714a4310ece764fd9be8621f9
[INFO] checking rodya-mirov/palladium against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodya-mirov%2Fpalladium" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodya-mirov/palladium on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodya-mirov/palladium
[INFO] finished tweaking git repo https://github.com/rodya-mirov/palladium
[INFO] tweaked toml for git repo https://github.com/rodya-mirov/palladium written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rodya-mirov/palladium 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54eef656cb6127e20f97821e859edfe8ce70e369f5fc39853b18db15537f038f
[INFO] running `Command { std: "docker" "start" "-a" "54eef656cb6127e20f97821e859edfe8ce70e369f5fc39853b18db15537f038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54eef656cb6127e20f97821e859edfe8ce70e369f5fc39853b18db15537f038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54eef656cb6127e20f97821e859edfe8ce70e369f5fc39853b18db15537f038f", kill_on_drop: false }`
[INFO] [stdout] 54eef656cb6127e20f97821e859edfe8ce70e369f5fc39853b18db15537f038f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f363590336db421917c7a92135c441f484d0572fc37e33cf837b35893c6d713c
[INFO] running `Command { std: "docker" "start" "-a" "f363590336db421917c7a92135c441f484d0572fc37e33cf837b35893c6d713c", kill_on_drop: false }`
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[INFO] [stderr]     Checking loader v0.2.0 (/opt/rustwide/workdir/loader)
[INFO] [stderr]     Checking palladium v0.2.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> main/src/systems/update/upkeep.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type SystemData = (Read<'a, Callbacks>);
[INFO] [stdout]    |                       ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -     type SystemData = (Read<'a, Callbacks>);
[INFO] [stdout] 70 +     type SystemData = Read<'a, Callbacks>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |           let airblocks = timed!("Computing air blocks", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 54 | |             (&data.has_pos, &data.blocks_airflow)
[INFO] [stdout] 55 | |                 .join()
[INFO] [stdout] 56 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 57 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 58 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |           let vacuums = timed!("Computing vacuum places", {
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 61 | |             (&data.has_pos, &data.vacuums)
[INFO] [stdout] 62 | |                 .join()
[INFO] [stdout] 63 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 64 | |                 .filter(|pos| !airblocks.contains(pos))
[INFO] [stdout] 65 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 66 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |           let containers = timed!("Computing container locations", {
[INFO] [stdout]    |  __________________________-
[INFO] [stdout] 69 | |             (&data.has_pos, &data.oxygen_cont)
[INFO] [stdout] 70 | |                 .join()
[INFO] [stdout] 71 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 72 | |                 .filter(|pos| !airblocks.contains(pos))
[INFO] [stdout] 73 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 74 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SquareType`
[INFO] [stdout]  --> main/src/world/mod.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use map::{Map, MapGenerationParams, SquareType, VisibilityType};
[INFO] [stdout]   |                                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> main/src/systems/update/upkeep.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type SystemData = (Read<'a, Callbacks>);
[INFO] [stdout]    |                       ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -     type SystemData = (Read<'a, Callbacks>);
[INFO] [stdout] 70 +     type SystemData = Read<'a, Callbacks>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |           let airblocks = timed!("Computing air blocks", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 54 | |             (&data.has_pos, &data.blocks_airflow)
[INFO] [stdout] 55 | |                 .join()
[INFO] [stdout] 56 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 57 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 58 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |           let vacuums = timed!("Computing vacuum places", {
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 61 | |             (&data.has_pos, &data.vacuums)
[INFO] [stdout] 62 | |                 .join()
[INFO] [stdout] 63 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 64 | |                 .filter(|pos| !airblocks.contains(pos))
[INFO] [stdout] 65 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 66 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> main/src/timer/mod.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           $to_run;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: main/src/systems/update/oxygen_spread.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |           let containers = timed!("Computing container locations", {
[INFO] [stdout]    |  __________________________-
[INFO] [stdout] 69 | |             (&data.has_pos, &data.oxygen_cont)
[INFO] [stdout] 70 | |                 .join()
[INFO] [stdout] 71 | |                 .map(|(hp, _)| hp.position)
[INFO] [stdout] 72 | |                 .filter(|pos| !airblocks.contains(pos))
[INFO] [stdout] 73 | |                 .collect::<HashSet<TilePos>>()
[INFO] [stdout] 74 | |         });
[INFO] [stdout]    | |__________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `timed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SquareType`
[INFO] [stdout]  --> main/src/world/mod.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use map::{Map, MapGenerationParams, SquareType, VisibilityType};
[INFO] [stdout]   |                                         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/skills/mod.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut skill = self.skills.get_mut(index).expect("indices should be valid!");
[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: variable does not need to be mutable
[INFO] [stdout]   --> main/src/systems/update/visibility.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for mut thing in stuff {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/systems/update/oxygen_spread.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |             for (mut giver_oxygen, has_pos, _) in (&mut data.oxygen_cont, &data.has_pos, !&data.vacuums)
[INFO] [stdout]    |                  ----^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/systems/update/door_update.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (mut door, has_pos, entity) in (&mut data.door, &data.has_position, &data.entities).join() {
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/skills/mod.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut skill = self.skills.get_mut(index).expect("indices should be valid!");
[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: fields `x_min`, `x_max`, `y_min`, `y_max`, `row_width`, and `col_height` are never read
[INFO] [stdout]   --> main/src/world/map/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Map {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 40 |     x_min: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     x_max: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     y_min: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     y_max: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 44 |
[INFO] [stdout] 45 |     row_width: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 46 |     col_height: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Map` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> main/src/resources/mod.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         std::mem::replace(&mut self.0, keep);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let _ = std::mem::replace(&mut self.0, keep);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> main/src/skills/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         std::mem::replace(&mut skill.parents, parents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _ = std::mem::replace(&mut skill.parents, parents);
[INFO] [stdout]    |         +++++++
[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]   --> main/src/systems/update/visibility.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         for mut thing in stuff {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/systems/update/oxygen_spread.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |             for (mut giver_oxygen, has_pos, _) in (&mut data.oxygen_cont, &data.has_pos, !&data.vacuums)
[INFO] [stdout]    |                  ----^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main/src/systems/update/door_update.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (mut door, has_pos, entity) in (&mut data.door, &data.has_position, &data.entities).join() {
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_min`, `x_max`, `y_min`, `y_max`, `row_width`, and `col_height` are never read
[INFO] [stdout]   --> main/src/world/map/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Map {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 40 |     x_min: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     x_max: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     y_min: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     y_max: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 44 |
[INFO] [stdout] 45 |     row_width: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 46 |     col_height: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Map` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> main/src/resources/mod.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         std::mem::replace(&mut self.0, keep);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let _ = std::mem::replace(&mut self.0, keep);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> main/src/skills/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         std::mem::replace(&mut skill.parents, parents);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _ = std::mem::replace(&mut skill.parents, parents);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: palladium v0.2.0 (/opt/rustwide/workdir/main), snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "f363590336db421917c7a92135c441f484d0572fc37e33cf837b35893c6d713c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f363590336db421917c7a92135c441f484d0572fc37e33cf837b35893c6d713c", kill_on_drop: false }`
[INFO] [stdout] f363590336db421917c7a92135c441f484d0572fc37e33cf837b35893c6d713c
