[INFO] fetching crate ecsilarant 0.1.0...
[INFO] checking ecsilarant-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate ecsilarant 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ecsilarant 0.1.0
[INFO] finished tweaking crates.io crate ecsilarant 0.1.0
[INFO] tweaked toml for crates.io crate ecsilarant 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ecsilarant 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ecsilarant 0.1.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f937e808d061661b3b71b73d357cde447717f1af562c823da38267361a024e20
[INFO] running `Command { std: "docker" "start" "-a" "f937e808d061661b3b71b73d357cde447717f1af562c823da38267361a024e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f937e808d061661b3b71b73d357cde447717f1af562c823da38267361a024e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f937e808d061661b3b71b73d357cde447717f1af562c823da38267361a024e20", kill_on_drop: false }`
[INFO] [stdout] f937e808d061661b3b71b73d357cde447717f1af562c823da38267361a024e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec06f65276c5931ccff4665cfa31b1e4aae08a872277f1f12e4aae1142a14675
[INFO] running `Command { std: "docker" "start" "-a" "ec06f65276c5931ccff4665cfa31b1e4aae08a872277f1f12e4aae1142a14675", kill_on_drop: false }`
[INFO] [stderr]     Checking ecsilarant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IterSeq`
[INFO] [stdout]  --> src/storage/world_storage.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use archetype_storage::{ArchetypeStorage, IterSeq};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/storage/world_storage/archetype_storage.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/type_equality.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IterSeq`
[INFO] [stdout]  --> src/storage/world_storage.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use archetype_storage::{ArchetypeStorage, IterSeq};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/storage/world_storage/archetype_storage.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn join(self, other: Empty) -> Self::JoinResult {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecsilarant` (lib test) due to 1 previous error; 11 warnings emitted
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/storage/world_storage.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn create(value: &'a mut Empty) -> Self {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/world_storage.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let mut archetype_storage_a = create_storage::<A>();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/world_storage.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut archetype_storage_b = create_storage::<B>();
[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/storage/world_storage.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let mut result = next_world.query::<Cons<&u8, Empty>>();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `archetype_storage_a`
[INFO] [stdout]    --> src/storage/world_storage.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let mut archetype_storage_a = create_storage::<A>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_archetype_storage_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `archetype_storage_b`
[INFO] [stdout]    --> src/storage/world_storage.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut archetype_storage_b = create_storage::<B>();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_archetype_storage_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ecsilarant` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/type_equality.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/storage/world_storage/archetype_storage.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn join(self, other: Empty) -> Self::JoinResult {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/storage/world_storage.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn create(value: &'a mut Empty) -> Self {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec06f65276c5931ccff4665cfa31b1e4aae08a872277f1f12e4aae1142a14675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec06f65276c5931ccff4665cfa31b1e4aae08a872277f1f12e4aae1142a14675", kill_on_drop: false }`
[INFO] [stdout] ec06f65276c5931ccff4665cfa31b1e4aae08a872277f1f12e4aae1142a14675
