[INFO] fetching crate amethyst_assets 0.15.3...
[INFO] testing amethyst_assets-0.15.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate amethyst_assets 0.15.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate amethyst_assets 0.15.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-6-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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.4.1
[INFO] [stderr]   Downloaded inventory v0.1.8
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded inventory-impl v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c649b2fc2c3851df57be60c3e07064427b1d07659ffdd9cb296ba6f329bc06df
[INFO] running `Command { std: "docker" "start" "-a" "c649b2fc2c3851df57be60c3e07064427b1d07659ffdd9cb296ba6f329bc06df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c649b2fc2c3851df57be60c3e07064427b1d07659ffdd9cb296ba6f329bc06df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c649b2fc2c3851df57be60c3e07064427b1d07659ffdd9cb296ba6f329bc06df", kill_on_drop: false }`
[INFO] [stdout] c649b2fc2c3851df57be60c3e07064427b1d07659ffdd9cb296ba6f329bc06df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c246c5289401fb3898962aa1d7fe8c3b997b76fd29e45ae5811d1f35321fb749
[INFO] running `Command { std: "docker" "start" "-a" "c246c5289401fb3898962aa1d7fe8c3b997b76fd29e45ae5811d1f35321fb749", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rustversion v1.0.3
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[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling amethyst_error v0.15.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling shred v0.10.2
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling specs v0.16.1
[INFO] [stderr]    Compiling specs-hierarchy v0.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling amethyst_derive v0.15.3
[INFO] [stderr]    Compiling amethyst_core v0.15.3
[INFO] [stderr]    Compiling amethyst_assets v0.15.3 (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c246c5289401fb3898962aa1d7fe8c3b997b76fd29e45ae5811d1f35321fb749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c246c5289401fb3898962aa1d7fe8c3b997b76fd29e45ae5811d1f35321fb749", kill_on_drop: false }`
[INFO] [stdout] c246c5289401fb3898962aa1d7fe8c3b997b76fd29e45ae5811d1f35321fb749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eaf8fcf831c89107441b0bad69a64d076935627f9b1bfd435799573a2700d57
[INFO] running `Command { std: "docker" "start" "-a" "9eaf8fcf831c89107441b0bad69a64d076935627f9b1bfd435799573a2700d57", kill_on_drop: false }`
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                          ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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" "9eaf8fcf831c89107441b0bad69a64d076935627f9b1bfd435799573a2700d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eaf8fcf831c89107441b0bad69a64d076935627f9b1bfd435799573a2700d57", kill_on_drop: false }`
[INFO] [stdout] 9eaf8fcf831c89107441b0bad69a64d076935627f9b1bfd435799573a2700d57
