[INFO] updating cached repository AdrianDanis/R4
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AdrianDanis/R4
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AdrianDanis/R4" "work/ex/beta-1.37-6/sources/1.36.0/gh/AdrianDanis/R4"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AdrianDanis/R4'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AdrianDanis/R4" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AdrianDanis/R4"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AdrianDanis/R4'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79fd620f95be85d2aec60740edacada2fb7e9ac2
[INFO] sha for GitHub repo AdrianDanis/R4: 79fd620f95be85d2aec60740edacada2fb7e9ac2
[INFO] validating manifest of AdrianDanis/R4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AdrianDanis/R4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AdrianDanis/R4
[INFO] finished frobbing AdrianDanis/R4
[INFO] frobbed toml for AdrianDanis/R4 written to work/ex/beta-1.37-6/sources/1.36.0/gh/AdrianDanis/R4/Cargo.toml
[INFO] started frobbing AdrianDanis/R4
[INFO] finished frobbing AdrianDanis/R4
[INFO] frobbed toml for AdrianDanis/R4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AdrianDanis/R4/Cargo.toml
[INFO] crate AdrianDanis/R4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AdrianDanis/R4/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/gz/rust-multiboot`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/gz/rust-multiboot`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AdrianDanis/R4 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AdrianDanis/R4:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8b3bd4be65c77be2684211c4819e8509395a7dfa8d408103eddf72fc240709e0
[INFO] running `"docker" "start" "-a" "8b3bd4be65c77be2684211c4819e8509395a7dfa8d408103eddf72fc240709e0"`
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling multiboot v0.5.0 (https://github.com/gz/rust-multiboot#139e80db)
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling raw-cpuid v2.0.2
[INFO] [stderr]    Compiling serde v0.6.15
[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/raw-cpuid-2.0.2/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(prelude_import, asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[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 `raw-cpuid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8b3bd4be65c77be2684211c4819e8509395a7dfa8d408103eddf72fc240709e0"`
[INFO] running `"docker" "rm" "-f" "8b3bd4be65c77be2684211c4819e8509395a7dfa8d408103eddf72fc240709e0"`
[INFO] [stdout] 8b3bd4be65c77be2684211c4819e8509395a7dfa8d408103eddf72fc240709e0