[INFO] crate specs_camera 0.5.0 is already in cache
[INFO] testing specs_camera-0.5.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate specs_camera 0.5.0 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate specs_camera 0.5.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate specs_camera 0.5.0
[INFO] finished tweaking crates.io crate specs_camera 0.5.0
[INFO] tweaked toml for crates.io crate specs_camera 0.5.0 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 474051c61ba3189c37e4b2a9530932db362a925a8138abc4aa48739432044384
[INFO] running `"docker" "start" "-a" "474051c61ba3189c37e4b2a9530932db362a925a8138abc4aa48739432044384"`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling cast_trait v0.1.2
[INFO] [stderr]    Compiling type-name v0.1.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling shred-derive v0.6.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/type-name-0.1.0/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `type-name`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "474051c61ba3189c37e4b2a9530932db362a925a8138abc4aa48739432044384"`
[INFO] running `"docker" "rm" "-f" "474051c61ba3189c37e4b2a9530932db362a925a8138abc4aa48739432044384"`
[INFO] [stdout] 474051c61ba3189c37e4b2a9530932db362a925a8138abc4aa48739432044384