[INFO] updating cached repository gsalaz98/chocolate_road
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gsalaz98/chocolate_road
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gsalaz98/chocolate_road" "work/ex/beta-1.38-1/sources/1.37.0/gh/gsalaz98/chocolate_road"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gsalaz98/chocolate_road'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gsalaz98/chocolate_road" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gsalaz98/chocolate_road"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gsalaz98/chocolate_road'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be6cd13359c0e8c6403e51e4c6b1ad4d656c3566
[INFO] sha for GitHub repo gsalaz98/chocolate_road: be6cd13359c0e8c6403e51e4c6b1ad4d656c3566
[INFO] validating manifest of gsalaz98/chocolate_road 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 gsalaz98/chocolate_road 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 gsalaz98/chocolate_road
[INFO] finished frobbing gsalaz98/chocolate_road
[INFO] frobbed toml for gsalaz98/chocolate_road written to work/ex/beta-1.38-1/sources/1.37.0/gh/gsalaz98/chocolate_road/Cargo.toml
[INFO] started frobbing gsalaz98/chocolate_road
[INFO] finished frobbing gsalaz98/chocolate_road
[INFO] frobbed toml for gsalaz98/chocolate_road written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gsalaz98/chocolate_road/Cargo.toml
[INFO] crate gsalaz98/chocolate_road 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 gsalaz98/chocolate_road 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/gh/gsalaz98/chocolate_road:/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] adaaaf03bbd3e9f039146608ffb5d0a31b48a24727deb16bec25d7fd4903f2d3
[INFO] running `"docker" "start" "-a" "adaaaf03bbd3e9f039146608ffb5d0a31b48a24727deb16bec25d7fd4903f2d3"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling ndarray v0.12.0
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling strum v0.10.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling lzma-sys v0.1.11
[INFO] [stderr]    Compiling futures-core-preview v0.2.3
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling futures-channel-preview v0.2.2
[INFO] [stderr]    Compiling futures-io-preview v0.2.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling futures-sink-preview v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling combine v3.5.2
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling futures-util-preview v0.2.2
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling strum_macros v0.10.0
[INFO] [stderr]    Compiling ws v0.7.8
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling futures-async-runtime-preview v0.2.3
[INFO] [stderr]    Compiling futures-preview v0.2.2
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling rusoto_credential v0.14.0
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.0
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]    Compiling rusoto_s3 v0.35.0
[INFO] [stderr]    Compiling rusty_road v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | #![feature(custom_attribute)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #![feature(vec_remove_item)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(nll)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[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 `rusty_road`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "adaaaf03bbd3e9f039146608ffb5d0a31b48a24727deb16bec25d7fd4903f2d3"`
[INFO] running `"docker" "rm" "-f" "adaaaf03bbd3e9f039146608ffb5d0a31b48a24727deb16bec25d7fd4903f2d3"`
[INFO] [stdout] adaaaf03bbd3e9f039146608ffb5d0a31b48a24727deb16bec25d7fd4903f2d3