[INFO] updating cached repository brentvatne/simple-rust-push-server-example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/brentvatne/simple-rust-push-server-example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/brentvatne/simple-rust-push-server-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/brentvatne/simple-rust-push-server-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/brentvatne/simple-rust-push-server-example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/brentvatne/simple-rust-push-server-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brentvatne/simple-rust-push-server-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brentvatne/simple-rust-push-server-example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 41189c604cbe789858b03de8cd2317814dca2bcc [INFO] sha for GitHub repo brentvatne/simple-rust-push-server-example: 41189c604cbe789858b03de8cd2317814dca2bcc [INFO] validating manifest of brentvatne/simple-rust-push-server-example on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of brentvatne/simple-rust-push-server-example on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing brentvatne/simple-rust-push-server-example [INFO] finished frobbing brentvatne/simple-rust-push-server-example [INFO] frobbed toml for brentvatne/simple-rust-push-server-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/brentvatne/simple-rust-push-server-example/Cargo.toml [INFO] started frobbing brentvatne/simple-rust-push-server-example [INFO] finished frobbing brentvatne/simple-rust-push-server-example [INFO] frobbed toml for brentvatne/simple-rust-push-server-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brentvatne/simple-rust-push-server-example/Cargo.toml [INFO] crate brentvatne/simple-rust-push-server-example already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing brentvatne/simple-rust-push-server-example against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/brentvatne/simple-rust-push-server-example:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 768a4a71a04aa6c1935ba173ba180b186f170d96e8a38eb5c424ecda0393524e [INFO] running `"docker" "start" "-a" "768a4a71a04aa6c1935ba173ba180b186f170d96e8a38eb5c424ecda0393524e"` [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling gcc v0.3.52 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling futures v0.1.14 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling lazycell v0.5.1 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling openssl v0.9.17 [INFO] [stderr] Compiling unicode-normalization v0.1.5 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling foreign-types v0.2.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling take v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling percent-encoding v1.0.0 [INFO] [stderr] Compiling yansi v0.3.3 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling untrusted v0.5.0 [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] Compiling smallvec v0.2.1 [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: build failed [INFO] running `"docker" "inspect" "768a4a71a04aa6c1935ba173ba180b186f170d96e8a38eb5c424ecda0393524e"` [INFO] running `"docker" "rm" "-f" "768a4a71a04aa6c1935ba173ba180b186f170d96e8a38eb5c424ecda0393524e"` [INFO] [stdout] 768a4a71a04aa6c1935ba173ba180b186f170d96e8a38eb5c424ecda0393524e