[INFO] updating cached repository nrc/gh-velocity [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nrc/gh-velocity [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nrc/gh-velocity" "work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/gh-velocity"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/gh-velocity'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nrc/gh-velocity" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/gh-velocity"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/gh-velocity'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2c8208b11fc48f3612ea794e4480c5861689742d [INFO] sha for GitHub repo nrc/gh-velocity: 2c8208b11fc48f3612ea794e4480c5861689742d [INFO] validating manifest of nrc/gh-velocity 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 nrc/gh-velocity 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 nrc/gh-velocity [INFO] finished frobbing nrc/gh-velocity [INFO] frobbed toml for nrc/gh-velocity written to work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/gh-velocity/Cargo.toml [INFO] started frobbing nrc/gh-velocity [INFO] finished frobbing nrc/gh-velocity [INFO] frobbed toml for nrc/gh-velocity written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/gh-velocity/Cargo.toml [INFO] crate nrc/gh-velocity 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 nrc/gh-velocity 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-7/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/nrc/gh-velocity:/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] a646561f4b1193697a271a47da5a4187343530272599c36a379ee9c3f593a599 [INFO] running `"docker" "start" "-a" "a646561f4b1193697a271a47da5a4187343530272599c36a379ee9c3f593a599"` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling openssl v0.10.22 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling openssl-sys v0.9.46 [INFO] [stderr] Compiling libsqlite3-sys v0.14.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling hyperx v0.13.2 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling h2 v0.1.18 [INFO] [stderr] Compiling rusqlite v0.18.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.19 [INFO] [stderr] Compiling hyper v0.12.28 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling hubcaps v0.5.0 [INFO] [stderr] Compiling gh-velocity 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(async_await)] [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 `gh-velocity`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a646561f4b1193697a271a47da5a4187343530272599c36a379ee9c3f593a599"` [INFO] running `"docker" "rm" "-f" "a646561f4b1193697a271a47da5a4187343530272599c36a379ee9c3f593a599"` [INFO] [stdout] a646561f4b1193697a271a47da5a4187343530272599c36a379ee9c3f593a599