[INFO] crate amethyst_core 0.10.0 is already in cache
[INFO] checking amethyst_core-0.10.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate amethyst_core 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate amethyst_core 0.10.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amethyst_core 0.10.0
[INFO] finished tweaking crates.io crate amethyst_core 0.10.0
[INFO] tweaked toml for crates.io crate amethyst_core 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3947ee8b8663032704d11059f0d9e837e018109ff21529654cd57d8069c83a18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3947ee8b8663032704d11059f0d9e837e018109ff21529654cd57d8069c83a18"`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[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]     Checking amethyst_error v0.5.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]     Checking tynm v0.1.4
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking amethyst_core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `ron`
[INFO] [stderr]    --> src/transform/components/transform.rs:768:13
[INFO] [stderr]     |
[INFO] [stderr] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stderr]     |             ^^^ use of undeclared type or module `ron`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `ron`
[INFO] [stderr]    --> src/transform/components/transform.rs:768:52
[INFO] [stderr]     |
[INFO] [stderr] 768 |             ron::ser::to_string_pretty(&transform, ron::ser::PrettyConfig::default()).unwrap();
[INFO] [stderr]     |                                                    ^^^ use of undeclared type or module `ron`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `ron`
[INFO] [stderr]    --> src/transform/components/transform.rs:769:37
[INFO] [stderr]     |
[INFO] [stderr] 769 |         let transform2: Transform = ron::de::from_str(&s).unwrap();
[INFO] [stderr]     |                                     ^^^ use of undeclared type or module `ron`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `ron`
[INFO] [stderr]    --> src/transform/components/transform.rs:776:36
[INFO] [stderr]     |
[INFO] [stderr] 776 |         let transform: Transform = ron::de::from_str("()").unwrap();
[INFO] [stderr]     |                                    ^^^ use of undeclared type or module `ron`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `amethyst_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3947ee8b8663032704d11059f0d9e837e018109ff21529654cd57d8069c83a18"`
[INFO] running `"docker" "rm" "-f" "3947ee8b8663032704d11059f0d9e837e018109ff21529654cd57d8069c83a18"`
[INFO] [stdout] 3947ee8b8663032704d11059f0d9e837e018109ff21529654cd57d8069c83a18
