[INFO] updating cached repository vishusandy/blogr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vishusandy/blogr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vishusandy/blogr" "work/ex/beta-1.37-6/sources/1.36.0/gh/vishusandy/blogr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vishusandy/blogr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vishusandy/blogr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vishusandy/blogr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vishusandy/blogr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7258f90a1854f8d026bf3f964987eda127d5fab8
[INFO] sha for GitHub repo vishusandy/blogr: 7258f90a1854f8d026bf3f964987eda127d5fab8
[INFO] validating manifest of vishusandy/blogr 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 vishusandy/blogr 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 vishusandy/blogr
[INFO] finished frobbing vishusandy/blogr
[INFO] frobbed toml for vishusandy/blogr written to work/ex/beta-1.37-6/sources/1.36.0/gh/vishusandy/blogr/Cargo.toml
[INFO] started frobbing vishusandy/blogr
[INFO] finished frobbing vishusandy/blogr
[INFO] frobbed toml for vishusandy/blogr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vishusandy/blogr/Cargo.toml
[INFO] crate vishusandy/blogr 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]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing vishusandy/blogr 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-4/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/vishusandy/blogr:/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] d131fbf5a859681cd0e3b4d5dbbc0a4a7e869770fbc0ad6615f8ae6bbfc9e0b4
[INFO] running `"docker" "start" "-a" "d131fbf5a859681cd0e3b4d5dbbc0a4a7e869770fbc0ad6615f8ae6bbfc9e0b4"`
[INFO] [stderr]    Compiling unic-char-range v0.6.0
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling fallible-iterator v0.1.5
[INFO] [stderr]    Compiling unic-ucd-core v0.6.0
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling pear v0.0.19
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.11
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling adler32 v0.2.0
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling evmap v2.0.2
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling pear_codegen v0.0.19
[INFO] [stderr]    Compiling rocket v0.3.15
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rocket_codegen v0.3.15
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling unic-utils v0.6.0
[INFO] [stderr]    Compiling brotli-decompressor v1.2.1
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[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/twoway-0.1.8/src/lib.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![cfg_attr(feature = "pcmp", feature(asm))]
[INFO] [stderr]   |                               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling log v0.3.9
[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 `twoway`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d131fbf5a859681cd0e3b4d5dbbc0a4a7e869770fbc0ad6615f8ae6bbfc9e0b4"`
[INFO] running `"docker" "rm" "-f" "d131fbf5a859681cd0e3b4d5dbbc0a4a7e869770fbc0ad6615f8ae6bbfc9e0b4"`
[INFO] [stdout] d131fbf5a859681cd0e3b4d5dbbc0a4a7e869770fbc0ad6615f8ae6bbfc9e0b4