[INFO] updating cached repository dannyow/reMarkable-fractals [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dannyow/reMarkable-fractals [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dannyow/reMarkable-fractals" "work/ex/beta-1.38-1/sources/1.37.0/gh/dannyow/reMarkable-fractals"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dannyow/reMarkable-fractals'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dannyow/reMarkable-fractals" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dannyow/reMarkable-fractals"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dannyow/reMarkable-fractals'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7931882c15dc16c68736d0261999ee7cadbb4322 [INFO] sha for GitHub repo dannyow/reMarkable-fractals: 7931882c15dc16c68736d0261999ee7cadbb4322 [INFO] validating manifest of dannyow/reMarkable-fractals 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 dannyow/reMarkable-fractals 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 dannyow/reMarkable-fractals [INFO] finished frobbing dannyow/reMarkable-fractals [INFO] frobbed toml for dannyow/reMarkable-fractals written to work/ex/beta-1.38-1/sources/1.37.0/gh/dannyow/reMarkable-fractals/Cargo.toml [INFO] started frobbing dannyow/reMarkable-fractals [INFO] finished frobbing dannyow/reMarkable-fractals [INFO] frobbed toml for dannyow/reMarkable-fractals written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dannyow/reMarkable-fractals/Cargo.toml [INFO] crate dannyow/reMarkable-fractals 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 dannyow/reMarkable-fractals 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dannyow/reMarkable-fractals:/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] c8102445ed96fa7ea23b8c4286cd48b9b74c9d06f038778ddf784c974334f0fd [INFO] running `"docker" "start" "-a" "c8102445ed96fa7ea23b8c4286cd48b9b74c9d06f038778ddf784c974334f0fd"` [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling ioctl-gen v0.1.1 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Compiling lua52-sys v0.1.1 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling stb_truetype v0.2.2 [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling epoll v3.1.1 [INFO] [stderr] Compiling aabb-quadtree v0.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling mmap v0.1.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling ordered-float v0.5.0 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling rusttype v0.4.3 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling hlua v0.4.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling evdev v0.10.1 [INFO] [stderr] Compiling env_logger v0.5.9 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling libremarkable v0.1.25 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libremarkable-0.1.25/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(integer_atomics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libremarkable-0.1.25/src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(const_size_of)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `libremarkable`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c8102445ed96fa7ea23b8c4286cd48b9b74c9d06f038778ddf784c974334f0fd"` [INFO] running `"docker" "rm" "-f" "c8102445ed96fa7ea23b8c4286cd48b9b74c9d06f038778ddf784c974334f0fd"` [INFO] [stdout] c8102445ed96fa7ea23b8c4286cd48b9b74c9d06f038778ddf784c974334f0fd