[INFO] updating cached repository https://github.com/hendry19901990/generator_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 489fef6027dfe0dbba551a534b07423dd3b627f7
[INFO] testing hendry19901990/generator_rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendry19901990%2Fgenerator_rust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hendry19901990/generator_rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hendry19901990/generator_rust
[INFO] finished tweaking git repo https://github.com/hendry19901990/generator_rust
[INFO] tweaked toml for git repo https://github.com/hendry19901990/generator_rust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hendry19901990/generator_rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4ff227ee1df20e71081d9501a1c1ba0bf76af8237744bb9e4b5b940ff2d71384
[INFO] running `"docker" "start" "-a" "4ff227ee1df20e71081d9501a1c1ba0bf76af8237744bb9e4b5b940ff2d71384"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling bech32 v0.5.0
[INFO] [stderr]    Compiling mysql v16.0.2
[INFO] [stderr]    Compiling secp256k1 v0.12.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling twox-hash v1.4.2
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bitcoin-bech32 v0.8.1
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling mysql_common v0.17.1
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]    Compiling bitcoin v0.17.1
[INFO] [stderr]    Compiling generator_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro_hygiene, decl_macro)]
[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 `generator_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ff227ee1df20e71081d9501a1c1ba0bf76af8237744bb9e4b5b940ff2d71384"`
[INFO] running `"docker" "rm" "-f" "4ff227ee1df20e71081d9501a1c1ba0bf76af8237744bb9e4b5b940ff2d71384"`
[INFO] [stdout] 4ff227ee1df20e71081d9501a1c1ba0bf76af8237744bb9e4b5b940ff2d71384