[INFO] fetching crate dotrix_ecs 0.1.0...
[INFO] testing dotrix_ecs-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate dotrix_ecs 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dotrix_ecs 0.1.0
[INFO] finished tweaking crates.io crate dotrix_ecs 0.1.0
[INFO] tweaked toml for crates.io crate dotrix_ecs 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotrix_ecs 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cd32adbf20a4c15e9b52596831ac36febbd45c8c49f53b7d7a34bffc91cf06d
[INFO] running `Command { std: "docker" "start" "-a" "0cd32adbf20a4c15e9b52596831ac36febbd45c8c49f53b7d7a34bffc91cf06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd32adbf20a4c15e9b52596831ac36febbd45c8c49f53b7d7a34bffc91cf06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd32adbf20a4c15e9b52596831ac36febbd45c8c49f53b7d7a34bffc91cf06d", kill_on_drop: false }`
[INFO] [stdout] 0cd32adbf20a4c15e9b52596831ac36febbd45c8c49f53b7d7a34bffc91cf06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f828c82dce5bb1afe838b9261723583367411d1ad89188ac45f9639d36f43
[INFO] running `Command { std: "docker" "start" "-a" "e05f828c82dce5bb1afe838b9261723583367411d1ad89188ac45f9639d36f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotrix_ecs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ecs.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Entity(u64);
[INFO] [stdout]   |            ------ ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/container.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     let mut_ptr = vec_ptr as *mut Vec<T>;
[INFO] [stdout]    |                                   ---------------------- casting happened here
[INFO] [stdout] 48 |                     &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] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/world.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn query<'w, Q>(&'w self) -> impl Iterator<Item = <<Q as Query>::Iter as Iterator>::Item> + 'w
[INFO] [stdout]    |                          --                                ^^^^^^^^^^^^^^^^^^                       -- the same lifetime is named here
[INFO] [stdout]    |                          |                                 |
[INFO] [stdout]    |                          the lifetime is named here        the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'w`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn query<'w, Q>(&'w self) -> impl Iterator<Item = <<Q as Query<'w>>::Iter as Iterator>::Item> + 'w
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotrix_ecs` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e05f828c82dce5bb1afe838b9261723583367411d1ad89188ac45f9639d36f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f828c82dce5bb1afe838b9261723583367411d1ad89188ac45f9639d36f43", kill_on_drop: false }`
[INFO] [stdout] e05f828c82dce5bb1afe838b9261723583367411d1ad89188ac45f9639d36f43