[INFO] crate loggr 0.3.0 is already in cache [INFO] extracting crate loggr 0.3.0 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/loggr/0.3.0 [INFO] extracting crate loggr 0.3.0 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/loggr/0.3.0 [INFO] validating manifest of loggr-0.3.0 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of loggr-0.3.0 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing loggr-0.3.0 [INFO] finished frobbing loggr-0.3.0 [INFO] frobbed toml for loggr-0.3.0 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/loggr/0.3.0/Cargo.toml [INFO] started frobbing loggr-0.3.0 [INFO] finished frobbing loggr-0.3.0 [INFO] frobbed toml for loggr-0.3.0 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/loggr/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking loggr-0.3.0 against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-5/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/loggr/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7babf00078212587c1ab4da2114d587480ff1ddd586395b59475b3d62f215143 [INFO] running `"docker" "start" "-a" "7babf00078212587c1ab4da2114d587480ff1ddd586395b59475b3d62f215143"` [INFO] [stderr] Compiling ptr v0.2.1 [INFO] [stderr] Compiling hash-table v0.2.2 [INFO] [stderr] Checking slot v0.2.5 [INFO] [stderr] Compiling containers v0.9.5 [INFO] [stderr] Compiling i-o v0.4.4 [INFO] [stderr] Checking idem v0.4.0 [INFO] [stderr] Checking rel v0.2.0 [INFO] [stderr] Checking heap v0.1.0 [INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(const_fn)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(const_fn_union)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(untagged_unions)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `slot`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7babf00078212587c1ab4da2114d587480ff1ddd586395b59475b3d62f215143"` [INFO] running `"docker" "rm" "-f" "7babf00078212587c1ab4da2114d587480ff1ddd586395b59475b3d62f215143"` [INFO] [stdout] 7babf00078212587c1ab4da2114d587480ff1ddd586395b59475b3d62f215143