[INFO] updating cached repository sebnow/playlie
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sebnow/playlie
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sebnow/playlie" "work/ex/beta-1.38-1/sources/1.37.0/gh/sebnow/playlie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sebnow/playlie'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sebnow/playlie" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebnow/playlie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebnow/playlie'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e66eb433965773616668bb5d900a4e84299ff5bc
[INFO] sha for GitHub repo sebnow/playlie: e66eb433965773616668bb5d900a4e84299ff5bc
[INFO] validating manifest of sebnow/playlie 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 sebnow/playlie 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 sebnow/playlie
[INFO] finished frobbing sebnow/playlie
[INFO] frobbed toml for sebnow/playlie written to work/ex/beta-1.38-1/sources/1.37.0/gh/sebnow/playlie/Cargo.toml
[INFO] started frobbing sebnow/playlie
[INFO] finished frobbing sebnow/playlie
[INFO] frobbed toml for sebnow/playlie written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sebnow/playlie/Cargo.toml
[INFO] crate sebnow/playlie 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 sebnow/playlie 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/sebnow/playlie:/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] 07fef45de0e5d9eb6c7b05fdd9e20ff940fcd19595d777d9ef071829ce003184
[INFO] running `"docker" "start" "-a" "07fef45de0e5d9eb6c7b05fdd9e20ff940fcd19595d777d9ef071829ce003184"`
[INFO] [stderr]    Compiling want v0.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling hyper v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling playlie v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[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 `playlie`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "07fef45de0e5d9eb6c7b05fdd9e20ff940fcd19595d777d9ef071829ce003184"`
[INFO] running `"docker" "rm" "-f" "07fef45de0e5d9eb6c7b05fdd9e20ff940fcd19595d777d9ef071829ce003184"`
[INFO] [stdout] 07fef45de0e5d9eb6c7b05fdd9e20ff940fcd19595d777d9ef071829ce003184