[INFO] updating cached repository stevebob/integer-physics-experiment [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/stevebob/integer-physics-experiment [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/integer-physics-experiment" "work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/integer-physics-experiment"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/integer-physics-experiment'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/integer-physics-experiment" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/integer-physics-experiment"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/integer-physics-experiment'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5de6dbc8ae67468e073443db63453d2c7b1a717d [INFO] sha for GitHub repo stevebob/integer-physics-experiment: 5de6dbc8ae67468e073443db63453d2c7b1a717d [INFO] validating manifest of stevebob/integer-physics-experiment 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 stevebob/integer-physics-experiment 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 stevebob/integer-physics-experiment [INFO] finished frobbing stevebob/integer-physics-experiment [INFO] frobbed toml for stevebob/integer-physics-experiment written to work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/integer-physics-experiment/Cargo.toml [INFO] started frobbing stevebob/integer-physics-experiment [INFO] finished frobbing stevebob/integer-physics-experiment [INFO] frobbed toml for stevebob/integer-physics-experiment written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/integer-physics-experiment/Cargo.toml [INFO] crate stevebob/integer-physics-experiment 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 stevebob/integer-physics-experiment 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/stevebob/integer-physics-experiment:/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] 81f251400e5b79b4d02aec68abe2ab00db7b49f6f77cd7d1d97b699d8873cc16 [INFO] running `"docker" "start" "-a" "81f251400e5b79b4d02aec68abe2ab00db7b49f6f77cd7d1d97b699d8873cc16"` [INFO] [stderr] Compiling draw_state v0.8.0 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling best v0.6.0 [INFO] [stderr] Compiling winit v0.13.1 [INFO] [stderr] Compiling gfx_core v0.8.2 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Compiling glutin v0.15.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling gfx_device_gl v0.15.3 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_window_glutin v0.23.0 [INFO] [stderr] Compiling integer-physics-experiment v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(nonzero)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/pixel_num.rs:104:32 [INFO] [stderr] | [INFO] [stderr] 104 | SubPixelI64(self.0.clamp(0, SUB_PIXELS_PER_PIXEL)) [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unstable_name_collisions)] on by default [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `physics_num::PhysicsNum::clamp(...)` to keep using the current method [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 `integer-physics-experiment`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "81f251400e5b79b4d02aec68abe2ab00db7b49f6f77cd7d1d97b699d8873cc16"` [INFO] running `"docker" "rm" "-f" "81f251400e5b79b4d02aec68abe2ab00db7b49f6f77cd7d1d97b699d8873cc16"` [INFO] [stdout] 81f251400e5b79b4d02aec68abe2ab00db7b49f6f77cd7d1d97b699d8873cc16