[INFO] updating cached repository https://github.com/fiji-flo/common-voice-yotp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54e827f72f47479e7066ef5cc5ef32a47abbfc0c
[INFO] testing fiji-flo/common-voice-yotp against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiji-flo%2Fcommon-voice-yotp" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  82% (19/23)   
Checking out files:  86% (20/23)   
Checking out files:  91% (21/23)   
Checking out files:  95% (22/23)   
Checking out files: 100% (23/23)   
Checking out files: 100% (23/23), done.
[INFO] validating manifest of git repo https://github.com/fiji-flo/common-voice-yotp on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fiji-flo/common-voice-yotp
[INFO] finished tweaking git repo https://github.com/fiji-flo/common-voice-yotp
[INFO] tweaked toml for git repo https://github.com/fiji-flo/common-voice-yotp written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fiji-flo/common-voice-yotp already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 80e55b2cba4fb728578a88b6111163eeb0e70fbeb9e227fc06ef3a4b805212c5
[INFO] running `"docker" "start" "-a" "80e55b2cba4fb728578a88b6111163eeb0e70fbeb9e227fc06ef3a4b805212c5"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling rust-freqdist v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling punkt v1.0.5
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/punkt-1.0.5/src/lib.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | #![feature(proc_macro_hygiene)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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 `punkt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "80e55b2cba4fb728578a88b6111163eeb0e70fbeb9e227fc06ef3a4b805212c5"`
[INFO] running `"docker" "rm" "-f" "80e55b2cba4fb728578a88b6111163eeb0e70fbeb9e227fc06ef3a4b805212c5"`
[INFO] [stdout] 80e55b2cba4fb728578a88b6111163eeb0e70fbeb9e227fc06ef3a4b805212c5