[INFO] crate cluLamansh 0.1.4 is already in cache
[INFO] extracting crate cluLamansh 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/cluLamansh/0.1.4
[INFO] extracting crate cluLamansh 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluLamansh/0.1.4
[INFO] validating manifest of cluLamansh-0.1.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cluLamansh-0.1.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cluLamansh-0.1.4
[INFO] finished frobbing cluLamansh-0.1.4
[INFO] frobbed toml for cluLamansh-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cluLamansh/0.1.4/Cargo.toml
[INFO] started frobbing cluLamansh-0.1.4
[INFO] finished frobbing cluLamansh-0.1.4
[INFO] frobbed toml for cluLamansh-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluLamansh/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cluLamansh-0.1.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cluLamansh/0.1.4:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a8bf140f71524716d0cad3b17f4d316e6954ca92c3885a81b481d468cef552a0
[INFO] running `"docker" "start" "-a" "a8bf140f71524716d0cad3b17f4d316e6954ca92c3885a81b481d468cef552a0"`
[INFO] [stderr]    Compiling cluLamansh v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(exact_chunks)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `cluLamanshIntoIter` should have an upper camel case name
[INFO] [stderr]   --> src/lamansh/iter.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct cluLamanshIntoIter<'a, NC: LamanshSized + 'static, N: LamanshSized + 'static> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CluLamanshIntoIter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `cluLamanshErr` should have an upper camel case name
[INFO] [stderr]   --> src/lamansh/mod.rs:92:10
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub enum cluLamanshErr {
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CluLamanshErr`
[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 `cluLamansh`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a8bf140f71524716d0cad3b17f4d316e6954ca92c3885a81b481d468cef552a0"`
[INFO] running `"docker" "rm" "-f" "a8bf140f71524716d0cad3b17f4d316e6954ca92c3885a81b481d468cef552a0"`
[INFO] [stdout] a8bf140f71524716d0cad3b17f4d316e6954ca92c3885a81b481d468cef552a0