[INFO] fetching crate amethyst_assets 0.15.3...
[INFO] checking amethyst_assets-0.15.3 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate amethyst_assets 0.15.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate amethyst_assets 0.15.3 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_assets 0.15.3
[INFO] finished tweaking crates.io crate amethyst_assets 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_assets 0.15.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate amethyst_assets 0.15.3 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4b2032f1c1b51f18efe71db854c65db7d459777f8a5af3e6ac445644c9d0ffe
[INFO] running `Command { std: "docker" "start" "-a" "c4b2032f1c1b51f18efe71db854c65db7d459777f8a5af3e6ac445644c9d0ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4b2032f1c1b51f18efe71db854c65db7d459777f8a5af3e6ac445644c9d0ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b2032f1c1b51f18efe71db854c65db7d459777f8a5af3e6ac445644c9d0ffe", kill_on_drop: false }`
[INFO] [stdout] c4b2032f1c1b51f18efe71db854c65db7d459777f8a5af3e6ac445644c9d0ffe
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65e19c473994749bd59126a8a49d332cd4cf4f7b6987b38358b795d2147dc30
[INFO] running `Command { std: "docker" "start" "-a" "d65e19c473994749bd59126a8a49d332cd4cf4f7b6987b38358b795d2147dc30", kill_on_drop: false }`
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[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde v1.0.115
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.7.1
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[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking smallvec v1.4.2
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[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rustversion v1.0.3
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[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
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[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_distr v0.2.2
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[INFO] [stderr]    Compiling regex v1.3.9
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[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking tynm v0.1.4
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking amethyst_error v0.15.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling amethyst_derive v0.15.3
[INFO] [stderr]     Checking amethyst_core v0.15.3
[INFO] [stderr]     Checking amethyst_assets v0.15.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]    --> src/dyn_format.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ no external crate `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dyn_format.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:23
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                          ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dyn_format.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:23
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                          ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_std_error_Error_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_assets` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d65e19c473994749bd59126a8a49d332cd4cf4f7b6987b38358b795d2147dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65e19c473994749bd59126a8a49d332cd4cf4f7b6987b38358b795d2147dc30", kill_on_drop: false }`
[INFO] [stdout] d65e19c473994749bd59126a8a49d332cd4cf4f7b6987b38358b795d2147dc30
[INFO] checking amethyst_assets-0.15.3 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate amethyst_assets 0.15.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate amethyst_assets 0.15.3 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_assets 0.15.3
[INFO] finished tweaking crates.io crate amethyst_assets 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_assets 0.15.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate amethyst_assets 0.15.3 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e86c69ab2bc885fb839fe37cfdeebd61972efe78cfe09c8966289bf1d1475946
[INFO] running `Command { std: "docker" "start" "-a" "e86c69ab2bc885fb839fe37cfdeebd61972efe78cfe09c8966289bf1d1475946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86c69ab2bc885fb839fe37cfdeebd61972efe78cfe09c8966289bf1d1475946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86c69ab2bc885fb839fe37cfdeebd61972efe78cfe09c8966289bf1d1475946", kill_on_drop: false }`
[INFO] [stdout] e86c69ab2bc885fb839fe37cfdeebd61972efe78cfe09c8966289bf1d1475946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd974c40cd3658d9cf8a7a0c1dfb72048e6dd06df7322328d2e8b4167c9b537a
[INFO] running `Command { std: "docker" "start" "-a" "bd974c40cd3658d9cf8a7a0c1dfb72048e6dd06df7322328d2e8b4167c9b537a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
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[INFO] [stderr]    Compiling thread_local v1.0.1
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[INFO] [stderr]    Compiling aho-corasick v0.7.13
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[INFO] [stderr]    Compiling rustversion v1.0.3
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[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.4.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]     Checking rand_distr v0.2.2
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[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking amethyst_error v0.15.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling amethyst_derive v0.15.3
[INFO] [stderr]     Checking amethyst_core v0.15.3
[INFO] [stderr]     Checking amethyst_assets v0.15.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]    --> src/dyn_format.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ no external crate `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dyn_format.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:23
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                          ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dyn_format.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:23
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                          ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_std_error_Error_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_core_fmt_Display_FOR_Error`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_assets` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bd974c40cd3658d9cf8a7a0c1dfb72048e6dd06df7322328d2e8b4167c9b537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd974c40cd3658d9cf8a7a0c1dfb72048e6dd06df7322328d2e8b4167c9b537a", kill_on_drop: false }`
[INFO] [stdout] bd974c40cd3658d9cf8a7a0c1dfb72048e6dd06df7322328d2e8b4167c9b537a
