[INFO] cloning repository https://github.com/4LT/pipe-cleaner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4LT/pipe-cleaner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4LT%2Fpipe-cleaner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4LT%2Fpipe-cleaner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3883ea142e20a0a83a32944d16a5c78d457c96dd
[INFO] checking 4LT/pipe-cleaner against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4LT%2Fpipe-cleaner" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4LT/pipe-cleaner on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4LT/pipe-cleaner
[INFO] finished tweaking git repo https://github.com/4LT/pipe-cleaner
[INFO] tweaked toml for git repo https://github.com/4LT/pipe-cleaner written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/4LT/pipe-cleaner 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] a48fcb3f114202026fa080d73841e6d363ea41de818dc531441455ccd13152d0
[INFO] running `Command { std: "docker" "start" "-a" "a48fcb3f114202026fa080d73841e6d363ea41de818dc531441455ccd13152d0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::cell::Ref`
[INFO] [stdout]  --> src/visual/renderer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::Ref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/world.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Ref`
[INFO] [stdout]  --> src/visual/renderer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::Ref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/world.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/world.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut ent = self.ent_mgr.create();
[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]   --> src/world.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut ent = self.ent_mgr.create();
[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]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut countdown = bullet.borrow().countdown;
[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]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut countdown = bullet.borrow().countdown;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `HashEnt` is more private than the item `entity::Manager::entities`
[INFO] [stdout]    --> src/entity.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub entities: HashSet<HashEnt>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `entity::Manager::entities` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `HashEnt` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/entity.rs:83:1
[INFO] [stdout]     |
[INFO] [stdout] 83  | struct HashEnt(EntRef);
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> src/entity.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Entity {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 23 |     id: u64,
[INFO] [stdout] 24 |     pub parent: WeakEntRef,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `borrow_mut` and `unwrap` are never used
[INFO] [stdout]    --> src/entity.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl HashEnt {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn borrow_mut(&self) -> RefMut<Entity> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn unwrap(&self) -> EntRef {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BorrowedMesh` is never constructed
[INFO] [stdout]   --> src/visual/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BorrowedMesh<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorrowedMesh` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_instances` is never read
[INFO] [stdout]    --> src/visual/mod.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub struct Manager {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     max_instances: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_indices` is never used
[INFO] [stdout]   --> src/visual/geo.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn path_indices(vert_count: u32) -> Box<[u32]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ring_model` is never read
[INFO] [stdout]   --> src/world.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct World {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     ring_model: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `HashEnt` is more private than the item `entity::Manager::entities`
[INFO] [stdout]    --> src/entity.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub entities: HashSet<HashEnt>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `entity::Manager::entities` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `HashEnt` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/entity.rs:83:1
[INFO] [stdout]     |
[INFO] [stdout] 83  | struct HashEnt(EntRef);
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> src/entity.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Entity {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 23 |     id: u64,
[INFO] [stdout] 24 |     pub parent: WeakEntRef,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `borrow_mut` and `unwrap` are never used
[INFO] [stdout]    --> src/entity.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl HashEnt {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn borrow_mut(&self) -> RefMut<Entity> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn unwrap(&self) -> EntRef {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BorrowedMesh` is never constructed
[INFO] [stdout]   --> src/visual/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BorrowedMesh<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BorrowedMesh` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_instances` is never read
[INFO] [stdout]    --> src/visual/mod.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub struct Manager {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     max_instances: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_indices` is never used
[INFO] [stdout]   --> src/visual/geo.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn path_indices(vert_count: u32) -> Box<[u32]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ring_model` is never read
[INFO] [stdout]   --> src/world.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct World {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     ring_model: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "f444ee96fc07b8b077fea86076de6c8889c342d39bafecf5154cdd2972cec7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f444ee96fc07b8b077fea86076de6c8889c342d39bafecf5154cdd2972cec7ff", kill_on_drop: false }`
[INFO] [stdout] f444ee96fc07b8b077fea86076de6c8889c342d39bafecf5154cdd2972cec7ff
