[INFO] updating cached repository vrutkovs/zlin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vrutkovs/zlin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vrutkovs/zlin" "work/ex/beta-1.38-1/sources/1.37.0/gh/vrutkovs/zlin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vrutkovs/zlin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vrutkovs/zlin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vrutkovs/zlin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vrutkovs/zlin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18fd9b658c68dcfc0ec95b76fd9e7c900acdb3df
[INFO] sha for GitHub repo vrutkovs/zlin: 18fd9b658c68dcfc0ec95b76fd9e7c900acdb3df
[INFO] validating manifest of vrutkovs/zlin 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 vrutkovs/zlin 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 vrutkovs/zlin
[INFO] finished frobbing vrutkovs/zlin
[INFO] frobbed toml for vrutkovs/zlin written to work/ex/beta-1.38-1/sources/1.37.0/gh/vrutkovs/zlin/Cargo.toml
[INFO] started frobbing vrutkovs/zlin
[INFO] finished frobbing vrutkovs/zlin
[INFO] frobbed toml for vrutkovs/zlin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vrutkovs/zlin/Cargo.toml
[INFO] crate vrutkovs/zlin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vrutkovs/zlin against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vrutkovs/zlin:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 747a377a013b9c19a88c2eb20125e5680c5f28b6eb21594208fa6a4db5e1f0f9
[INFO] running `"docker" "start" "-a" "747a377a013b9c19a88c2eb20125e5680c5f28b6eb21594208fa6a4db5e1f0f9"`
[INFO] [stderr]    Compiling futures v0.1.15
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling yansi v0.3.3
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling unidecode v0.2.0
[INFO] [stderr]    Compiling state v0.3.1
[INFO] [stderr]    Compiling humansize v1.0.1
[INFO] [stderr]    Compiling smallvec v0.4.3
[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/yansi-0.3.3/src/lib.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/state-0.3.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_fn, drop_types_in_const)]
[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 `yansi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `state`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "747a377a013b9c19a88c2eb20125e5680c5f28b6eb21594208fa6a4db5e1f0f9"`
[INFO] running `"docker" "rm" "-f" "747a377a013b9c19a88c2eb20125e5680c5f28b6eb21594208fa6a4db5e1f0f9"`
[INFO] [stdout] 747a377a013b9c19a88c2eb20125e5680c5f28b6eb21594208fa6a4db5e1f0f9