[INFO] crate amethyst_core 0.10.0 is already in cache
[INFO] testing amethyst_core-0.10.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate amethyst_core 0.10.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate amethyst_core 0.10.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c5e73586a34bbdfea7257cd36056fa3ab6c9fb4192a89fbb9db46506ce4c4b4
[INFO] running `"docker" "start" "-a" "0c5e73586a34bbdfea7257cd36056fa3ab6c9fb4192a89fbb9db46506ce4c4b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[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 getset v0.0.9
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling shred v0.10.2
[INFO] [stderr]    Compiling specs v0.16.1
[INFO] [stderr]    Compiling specs-hierarchy v0.6.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling amethyst_core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "0c5e73586a34bbdfea7257cd36056fa3ab6c9fb4192a89fbb9db46506ce4c4b4"`
[INFO] running `"docker" "rm" "-f" "0c5e73586a34bbdfea7257cd36056fa3ab6c9fb4192a89fbb9db46506ce4c4b4"`
[INFO] [stdout] 0c5e73586a34bbdfea7257cd36056fa3ab6c9fb4192a89fbb9db46506ce4c4b4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96cebc2090706eb326bbe2fa0d88eb35f6db6bce8853da86b7dd06981995a2d5
[INFO] running `"docker" "start" "-a" "96cebc2090706eb326bbe2fa0d88eb35f6db6bce8853da86b7dd06981995a2d5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] running `"docker" "inspect" "96cebc2090706eb326bbe2fa0d88eb35f6db6bce8853da86b7dd06981995a2d5"`
[INFO] running `"docker" "rm" "-f" "96cebc2090706eb326bbe2fa0d88eb35f6db6bce8853da86b7dd06981995a2d5"`
[INFO] [stdout] 96cebc2090706eb326bbe2fa0d88eb35f6db6bce8853da86b7dd06981995a2d5