[INFO] updating cached repository bemeurer/chirp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bemeurer/chirp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bemeurer/chirp" "work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/chirp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/chirp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bemeurer/chirp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/chirp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/chirp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc75db418c6941c0d135cb26e4c412bb25c12070
[INFO] sha for GitHub repo bemeurer/chirp: fc75db418c6941c0d135cb26e4c412bb25c12070
[INFO] validating manifest of bemeurer/chirp 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 bemeurer/chirp 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 bemeurer/chirp
[INFO] finished frobbing bemeurer/chirp
[INFO] frobbed toml for bemeurer/chirp written to work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/chirp/Cargo.toml
[INFO] started frobbing bemeurer/chirp
[INFO] finished frobbing bemeurer/chirp
[INFO] frobbed toml for bemeurer/chirp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bemeurer/chirp/Cargo.toml
[INFO] crate bemeurer/chirp 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing bemeurer/chirp 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bemeurer/chirp:/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] 942ccf310550d3d9de63c109f4344100addae8dd9b701e05d39001a7e867d8a8
[INFO] running `"docker" "start" "-a" "942ccf310550d3d9de63c109f4344100addae8dd9b701e05d39001a7e867d8a8"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling app_dirs2 v2.0.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling euclid v0.17.3
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling smart-default v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx_glyph v0.10.2
[INFO] [stderr]    Compiling gfx_window_sdl v0.8.0
[INFO] [stderr]    Compiling ggez v0.4.3
[INFO] [stderr]    Compiling chirp 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(try_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:592:9
[INFO] [stderr]     |
[INFO] [stderr] 592 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[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 `chirp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "942ccf310550d3d9de63c109f4344100addae8dd9b701e05d39001a7e867d8a8"`
[INFO] running `"docker" "rm" "-f" "942ccf310550d3d9de63c109f4344100addae8dd9b701e05d39001a7e867d8a8"`
[INFO] [stdout] 942ccf310550d3d9de63c109f4344100addae8dd9b701e05d39001a7e867d8a8