[INFO] crate aljabar 0.2.7 is already in cache
[INFO] extracting crate aljabar 0.2.7 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/aljabar/0.2.7
[INFO] extracting crate aljabar 0.2.7 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/aljabar/0.2.7
[INFO] validating manifest of aljabar-0.2.7 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aljabar-0.2.7 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aljabar-0.2.7
[INFO] finished frobbing aljabar-0.2.7
[INFO] frobbed toml for aljabar-0.2.7 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/aljabar/0.2.7/Cargo.toml
[INFO] started frobbing aljabar-0.2.7
[INFO] finished frobbing aljabar-0.2.7
[INFO] frobbed toml for aljabar-0.2.7 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/aljabar/0.2.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aljabar-0.2.7 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/aljabar/0.2.7:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 30e2aaf9834eab8a5bcdff9ac4d5e304744c5bd091183bc7754bd53e7b3792c1
[INFO] running `"docker" "start" "-a" "30e2aaf9834eab8a5bcdff9ac4d5e304744c5bd091183bc7754bd53e7b3792c1"`
[INFO] [stderr]     Checking aljabar v0.2.7 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `const_generics` is incomplete and may cause the compiler to crash
[INFO] [stderr]   --> src/lib.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | #![feature(const_generics)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `const_generics` is incomplete and may cause the compiler to crash
[INFO] [stderr]   --> src/lib.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | #![feature(const_generics)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `"docker" "inspect" "30e2aaf9834eab8a5bcdff9ac4d5e304744c5bd091183bc7754bd53e7b3792c1"`
[INFO] running `"docker" "rm" "-f" "30e2aaf9834eab8a5bcdff9ac4d5e304744c5bd091183bc7754bd53e7b3792c1"`
[INFO] [stdout] 30e2aaf9834eab8a5bcdff9ac4d5e304744c5bd091183bc7754bd53e7b3792c1