[INFO] fetching crate amethyst_core 0.15.3...
[INFO] checking amethyst_core-0.15.3 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate amethyst_core 0.15.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate amethyst_core 0.15.3 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_core 0.15.3
[INFO] finished tweaking crates.io crate amethyst_core 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_core 0.15.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_profiler v0.3.0
[INFO] [stderr]   Downloaded specs-derive v0.4.1
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[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e44a2c003ac6b9750bf455b5ee0a83150cf7e09efe78a3faf68dfb381a896c
[INFO] running `Command { std: "docker" "start" "-a" "63e44a2c003ac6b9750bf455b5ee0a83150cf7e09efe78a3faf68dfb381a896c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e44a2c003ac6b9750bf455b5ee0a83150cf7e09efe78a3faf68dfb381a896c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e44a2c003ac6b9750bf455b5ee0a83150cf7e09efe78a3faf68dfb381a896c", kill_on_drop: false }`
[INFO] [stdout] 63e44a2c003ac6b9750bf455b5ee0a83150cf7e09efe78a3faf68dfb381a896c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e45f1d0d26edb635c61280ef48322217733e27be7ccc580073d6651d89390289
[INFO] running `Command { std: "docker" "start" "-a" "e45f1d0d26edb635c61280ef48322217733e27be7ccc580073d6651d89390289", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking tynm v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking shrev v1.1.3
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking mint v0.5.9
[INFO] [stderr]    Compiling shred-derive v0.6.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking amethyst_error v0.15.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking amethyst_core v0.15.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stdout]     |             ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:768:52
[INFO] [stdout]     |
[INFO] [stdout] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stdout]     |                                                    ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:769:37
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let transform2: Transform = ron::de::from_str(&s).unwrap();
[INFO] [stdout]     |                                     ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:776:36
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let transform: Transform = ron::de::from_str("()").unwrap();
[INFO] [stdout]     |                                    ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_core` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transform/systems.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 | /                 format!(
[INFO] [stdout] 105 | |                     "Entity {:?} had a non-finite `Transform` {:?}",
[INFO] [stdout] 106 | |                     entity, local
[INFO] [stdout] 107 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `debug_assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `debug_assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 104 ~                 
[INFO] [stdout] 105 |                     "Entity {:?} had a non-finite `Transform` {:?}",
[INFO] [stdout] 106 |                     entity, local
[INFO] [stdout] 107 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e45f1d0d26edb635c61280ef48322217733e27be7ccc580073d6651d89390289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45f1d0d26edb635c61280ef48322217733e27be7ccc580073d6651d89390289", kill_on_drop: false }`
[INFO] [stdout] e45f1d0d26edb635c61280ef48322217733e27be7ccc580073d6651d89390289
[INFO] checking amethyst_core-0.15.3 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate amethyst_core 0.15.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate amethyst_core 0.15.3 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_core 0.15.3
[INFO] finished tweaking crates.io crate amethyst_core 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_core 0.15.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0677d11cb63702efaf17a9c44e8a077df3297ef47be2a73872693d9eb306bfa3
[INFO] running `Command { std: "docker" "start" "-a" "0677d11cb63702efaf17a9c44e8a077df3297ef47be2a73872693d9eb306bfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0677d11cb63702efaf17a9c44e8a077df3297ef47be2a73872693d9eb306bfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0677d11cb63702efaf17a9c44e8a077df3297ef47be2a73872693d9eb306bfa3", kill_on_drop: false }`
[INFO] [stdout] 0677d11cb63702efaf17a9c44e8a077df3297ef47be2a73872693d9eb306bfa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd411a631787ec3fd4ba278ae79ce522e440a7b86279bc9feb6ff51170056cf
[INFO] running `Command { std: "docker" "start" "-a" "fdd411a631787ec3fd4ba278ae79ce522e440a7b86279bc9feb6ff51170056cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking tynm v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking mint v0.5.9
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]    Compiling shred-derive v0.6.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking amethyst_error v0.15.3
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking serde v1.0.193
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking amethyst_core v0.15.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:768:13
[INFO] [stdout]     |
[INFO] [stdout] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stdout]     |             ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:768:52
[INFO] [stdout]     |
[INFO] [stdout] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stdout]     |                                                    ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:769:37
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let transform2: Transform = ron::de::from_str(&s).unwrap();
[INFO] [stdout]     |                                     ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ron`
[INFO] [stdout]    --> src/transform/components/transform.rs:776:36
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let transform: Transform = ron::de::from_str("()").unwrap();
[INFO] [stdout]     |                                    ^^^ use of undeclared crate or module `ron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_core` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transform/systems.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 | /                 format!(
[INFO] [stdout] 105 | |                     "Entity {:?} had a non-finite `Transform` {:?}",
[INFO] [stdout] 106 | |                     entity, local
[INFO] [stdout] 107 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `debug_assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `debug_assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 104 ~                 
[INFO] [stdout] 105 |                     "Entity {:?} had a non-finite `Transform` {:?}",
[INFO] [stdout] 106 |                     entity, local
[INFO] [stdout] 107 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdd411a631787ec3fd4ba278ae79ce522e440a7b86279bc9feb6ff51170056cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd411a631787ec3fd4ba278ae79ce522e440a7b86279bc9feb6ff51170056cf", kill_on_drop: false }`
[INFO] [stdout] fdd411a631787ec3fd4ba278ae79ce522e440a7b86279bc9feb6ff51170056cf
