[INFO] fetching crate dotrix_core 0.5.2...
[INFO] checking dotrix_core-0.5.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate dotrix_core 0.5.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate dotrix_core 0.5.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotrix_core 0.5.2
[INFO] finished tweaking crates.io crate dotrix_core 0.5.2
[INFO] tweaked toml for crates.io crate dotrix_core 0.5.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cf2d8c6b764530bb6280ad50f7b0e81de2023353e16b6e6d5abfd636aeda455
[INFO] running `Command { std: "docker" "start" "-a" "4cf2d8c6b764530bb6280ad50f7b0e81de2023353e16b6e6d5abfd636aeda455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf2d8c6b764530bb6280ad50f7b0e81de2023353e16b6e6d5abfd636aeda455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf2d8c6b764530bb6280ad50f7b0e81de2023353e16b6e6d5abfd636aeda455", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dd5e8b6a8517e6992339cab86e22b513f37e5c415384acb2995f615a2285bfcb", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/world.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/assets.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wgpu` is imported redundantly
[INFO] [stdout]  --> src/renderer/backend.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wgpu;
[INFO] [stdout]   |     ^^^^ the item `wgpu` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `winit` is imported redundantly
[INFO] [stdout]  --> src/renderer/backend.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit;
[INFO] [stdout]   |     ^^^^^ the item `winit` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/world.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     vec::Vec,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/assets.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wgpu` is imported redundantly
[INFO] [stdout]  --> src/renderer/backend.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wgpu;
[INFO] [stdout]   |     ^^^^ the item `wgpu` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `winit` is imported redundantly
[INFO] [stdout]  --> src/renderer/backend.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit;
[INFO] [stdout]   |     ^^^^^ the item `winit` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[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/assets/skin.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             for (mut joint_index, matrix) in index.iter_mut().zip(inverse_bind_matrices.iter()) {
[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] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/world/container.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(u32);
[INFO] [stdout]    |            ----- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Item2(());
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 381 |     struct Health(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/world.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(u32);
[INFO] [stdout]     |            ------ ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 384 |     struct Weight(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ecs.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(u64);
[INFO] [stdout]     |            ----------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 379 |     struct MyComponent(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]   --> src/world/container.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happend here
[INFO] [stdout] 60 |                     &mut *mut_ptr
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]    = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_core` (lib test) due to 2 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd5e8b6a8517e6992339cab86e22b513f37e5c415384acb2995f615a2285bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5e8b6a8517e6992339cab86e22b513f37e5c415384acb2995f615a2285bfcb", kill_on_drop: false }`
[INFO] [stdout] dd5e8b6a8517e6992339cab86e22b513f37e5c415384acb2995f615a2285bfcb
