[INFO] updating cached repository wadadli/webapp [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wadadli/webapp [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wadadli/webapp" "work/ex/beta-1.38-1/sources/1.37.0/gh/wadadli/webapp"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wadadli/webapp'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wadadli/webapp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wadadli/webapp"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wadadli/webapp'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fb78c7f18926e8734621c38863e80b7d52d8660d [INFO] sha for GitHub repo wadadli/webapp: fb78c7f18926e8734621c38863e80b7d52d8660d [INFO] validating manifest of wadadli/webapp 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 wadadli/webapp 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 wadadli/webapp [INFO] finished frobbing wadadli/webapp [INFO] frobbed toml for wadadli/webapp written to work/ex/beta-1.38-1/sources/1.37.0/gh/wadadli/webapp/Cargo.toml [INFO] started frobbing wadadli/webapp [INFO] finished frobbing wadadli/webapp [INFO] frobbed toml for wadadli/webapp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wadadli/webapp/Cargo.toml [INFO] crate wadadli/webapp 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 wadadli/webapp 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-1/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/wadadli/webapp:/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] ac38dd483528f67da6292c4672d964a8f77c5807d95e8f9930ba4049e09b26f1 [INFO] running `"docker" "start" "-a" "ac38dd483528f67da6292c4672d964a8f77c5807d95e8f9930ba4049e09b26f1"` [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] [stderr] Compiling matches v0.1.7 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling arrayref v0.3.4 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling bufstream v0.1.3 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling uuid v0.6.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling smallvec v0.6.4 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling twox-hash v1.1.1 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling atoi v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.24 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling chrono v0.4.5 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling phf_generator v0.7.22 [INFO] [stderr] Compiling phf v0.7.22 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling phf_codegen v0.7.22 [INFO] [stderr] Compiling url v1.7.1 [INFO] [stderr] Compiling mime_guess v1.8.6 [INFO] [stderr] Compiling flate2 v1.0.2 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling mysql_common v0.8.0 [INFO] [stderr] Compiling mysql v14.0.0 [INFO] [stderr] Compiling iron v0.6.0 [INFO] [stderr] Compiling webapp v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rust_2018_preview)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rust_2018_preview)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0705. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `webapp`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ac38dd483528f67da6292c4672d964a8f77c5807d95e8f9930ba4049e09b26f1"` [INFO] running `"docker" "rm" "-f" "ac38dd483528f67da6292c4672d964a8f77c5807d95e8f9930ba4049e09b26f1"` [INFO] [stdout] ac38dd483528f67da6292c4672d964a8f77c5807d95e8f9930ba4049e09b26f1