[INFO] updating cached repository https://github.com/gloriousfutureio/changes
[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] c719c85d958e62bfec768d1db78cd763454a468a
[INFO] testing gloriousfutureio/changes against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgloriousfutureio%2Fchanges" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gloriousfutureio/changes 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/gloriousfutureio/changes
[INFO] finished tweaking git repo https://github.com/gloriousfutureio/changes
[INFO] tweaked toml for git repo https://github.com/gloriousfutureio/changes written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gloriousfutureio/changes 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] e2e5e4d606d52a56bc6272c6b5355b8f112e7322e9679b494718064a35978c8f
[INFO] running `"docker" "start" "-a" "e2e5e4d606d52a56bc6272c6b5355b8f112e7322e9679b494718064a35978c8f"`
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.7
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/lfairy/maud.git#7c63fc13)
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling rocket v0.3.10
[INFO] [stderr]    Compiling rocket_codegen v0.3.10
[INFO] [stderr]    Compiling coco v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_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 `literalext`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e2e5e4d606d52a56bc6272c6b5355b8f112e7322e9679b494718064a35978c8f"`
[INFO] running `"docker" "rm" "-f" "e2e5e4d606d52a56bc6272c6b5355b8f112e7322e9679b494718064a35978c8f"`
[INFO] [stdout] e2e5e4d606d52a56bc6272c6b5355b8f112e7322e9679b494718064a35978c8f