[INFO] updating cached repository wycats/language-reporting [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wycats/language-reporting [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wycats/language-reporting" "work/ex/beta-1.38-1/sources/1.37.0/gh/wycats/language-reporting"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wycats/language-reporting'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wycats/language-reporting" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wycats/language-reporting"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wycats/language-reporting'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b021c87e0d4916b5f32756151bf215c220eee52d [INFO] sha for GitHub repo wycats/language-reporting: b021c87e0d4916b5f32756151bf215c220eee52d [INFO] validating manifest of wycats/language-reporting 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 wycats/language-reporting 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 wycats/language-reporting [INFO] removed workspace from wycats/language-reporting [INFO] removed path dependency render-tree from wycats/language-reporting [INFO] finished frobbing wycats/language-reporting [INFO] frobbed toml for wycats/language-reporting written to work/ex/beta-1.38-1/sources/1.37.0/gh/wycats/language-reporting/Cargo.toml [INFO] started frobbing wycats/language-reporting [INFO] removed workspace from wycats/language-reporting [INFO] removed path dependency render-tree from wycats/language-reporting [INFO] finished frobbing wycats/language-reporting [INFO] frobbed toml for wycats/language-reporting written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wycats/language-reporting/Cargo.toml [INFO] crate wycats/language-reporting 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] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wycats/language-reporting/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unindent v0.1.4 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing wycats/language-reporting 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wycats/language-reporting:/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] 66b14d7c69870a5ce258fcc2dd06d06ab4a345e6ae87d9d340ec564b53a79ed2 [INFO] running `"docker" "start" "-a" "66b14d7c69870a5ce258fcc2dd06d06ab4a345e6ae87d9d340ec564b53a79ed2"` [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling derive-new v0.5.7 [INFO] [stderr] Compiling render-tree v0.1.1 [INFO] [stderr] Compiling language-reporting v0.3.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(trace_macros, crate_visibility_modifier, in_band_lifetimes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/models.rs:116:14 [INFO] [stderr] | [INFO] [stderr] 116 | .trim_right_matches(|ch| ch == '\r' || ch == '\n') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [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 `language-reporting`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "66b14d7c69870a5ce258fcc2dd06d06ab4a345e6ae87d9d340ec564b53a79ed2"` [INFO] running `"docker" "rm" "-f" "66b14d7c69870a5ce258fcc2dd06d06ab4a345e6ae87d9d340ec564b53a79ed2"` [INFO] [stdout] 66b14d7c69870a5ce258fcc2dd06d06ab4a345e6ae87d9d340ec564b53a79ed2