[INFO] updating cached repository luki446/light-lisp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luki446/light-lisp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luki446/light-lisp" "work/ex/beta-1.38-1/sources/1.37.0/gh/luki446/light-lisp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luki446/light-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luki446/light-lisp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luki446/light-lisp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luki446/light-lisp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 570c6f83e881da1ef5773b33acc2cee5a20d1289
[INFO] sha for GitHub repo luki446/light-lisp: 570c6f83e881da1ef5773b33acc2cee5a20d1289
[INFO] validating manifest of luki446/light-lisp 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 luki446/light-lisp 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 luki446/light-lisp
[INFO] finished frobbing luki446/light-lisp
[INFO] frobbed toml for luki446/light-lisp written to work/ex/beta-1.38-1/sources/1.37.0/gh/luki446/light-lisp/Cargo.toml
[INFO] started frobbing luki446/light-lisp
[INFO] finished frobbing luki446/light-lisp
[INFO] frobbed toml for luki446/light-lisp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luki446/light-lisp/Cargo.toml
[INFO] crate luki446/light-lisp 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 luki446/light-lisp 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/luki446/light-lisp:/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] 197343c06a3b921f9b90a304b542d35493900f528a20b626583f7f56666d8c72
[INFO] running `"docker" "start" "-a" "197343c06a3b921f9b90a304b542d35493900f528a20b626583f7f56666d8c72"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling rustyline v5.0.0
[INFO] [stderr]    Compiling llisp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(bind_by_move_pattern_guards)]
[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 `llisp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "197343c06a3b921f9b90a304b542d35493900f528a20b626583f7f56666d8c72"`
[INFO] running `"docker" "rm" "-f" "197343c06a3b921f9b90a304b542d35493900f528a20b626583f7f56666d8c72"`
[INFO] [stdout] 197343c06a3b921f9b90a304b542d35493900f528a20b626583f7f56666d8c72