[INFO] updating cached repository pbzweihander/discord-irc-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pbzweihander/discord-irc-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pbzweihander/discord-irc-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/discord-irc-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/discord-irc-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pbzweihander/discord-irc-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/discord-irc-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/discord-irc-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2563d9ee308979656bc060ceaa7b46d592da369f [INFO] sha for GitHub repo pbzweihander/discord-irc-rs: 2563d9ee308979656bc060ceaa7b46d592da369f [INFO] validating manifest of pbzweihander/discord-irc-rs 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 pbzweihander/discord-irc-rs 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 pbzweihander/discord-irc-rs [INFO] finished frobbing pbzweihander/discord-irc-rs [INFO] frobbed toml for pbzweihander/discord-irc-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/discord-irc-rs/Cargo.toml [INFO] started frobbing pbzweihander/discord-irc-rs [INFO] finished frobbing pbzweihander/discord-irc-rs [INFO] frobbed toml for pbzweihander/discord-irc-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/discord-irc-rs/Cargo.toml [INFO] crate pbzweihander/discord-irc-rs 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 pbzweihander/discord-irc-rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/discord-irc-rs:/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] 3275c85a0d12e442cff8e301cd5b103098be54884bad2f0be65ccca84f112326 [INFO] running `"docker" "start" "-a" "3275c85a0d12e442cff8e301cd5b103098be54884bad2f0be65ccca84f112326"` [INFO] [stderr] Compiling serenity v0.6.0-rc.2 [INFO] [stderr] Compiling yaircc v0.0.0 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling flate2 v1.0.7 [INFO] [stderr] Compiling sha-1 v0.8.1 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling h2 v0.1.23 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling tungstenite v0.6.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling webpki v0.19.1 [INFO] [stderr] Compiling sct v0.5.0 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling ct-logs v0.5.1 [INFO] [stderr] Compiling config v0.9.3 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling rustls v0.15.2 [INFO] [stderr] Compiling webpki-roots v0.16.0 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.16 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaircc-0.0.0/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling tokio v0.1.21 [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 `yaircc`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "3275c85a0d12e442cff8e301cd5b103098be54884bad2f0be65ccca84f112326"` [INFO] running `"docker" "rm" "-f" "3275c85a0d12e442cff8e301cd5b103098be54884bad2f0be65ccca84f112326"` [INFO] [stdout] 3275c85a0d12e442cff8e301cd5b103098be54884bad2f0be65ccca84f112326