[INFO] crate terra 0.2.0 is already in cache
[INFO] extracting crate terra 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/terra/0.2.0
[INFO] extracting crate terra 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/terra/0.2.0
[INFO] validating manifest of terra-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of terra-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing terra-0.2.0
[INFO] finished frobbing terra-0.2.0
[INFO] frobbed toml for terra-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/terra/0.2.0/Cargo.toml
[INFO] started frobbing terra-0.2.0
[INFO] finished frobbing terra-0.2.0
[INFO] frobbed toml for terra-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/terra/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing terra-0.2.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/terra/0.2.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 228f7aa851c259678fd30acb339b37e19a68ec44de00f3406994c225d3a5e526
[INFO] running `"docker" "start" "-a" "228f7aa851c259678fd30acb339b37e19a68ec44de00f3406994c225d3a5e526"`
[INFO] [stderr]    Compiling safe-transmute v0.3.1
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rustfft v2.1.0
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling cgmath v0.15.0
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling gfx v0.16.3
[INFO] [stderr]    Compiling rshader v0.1.0
[INFO] [stderr]    Compiling terra v0.2.0 (/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(ord_max_min)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/terrain/file.rs:450:37
[INFO] [stderr]     |
[INFO] [stderr] 450 |                     writer.write_u8(((w * 255.0) as u8))?;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/cache/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         env::home_dir().unwrap_or(PathBuf::from(".")).join(".terra")
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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 `terra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "228f7aa851c259678fd30acb339b37e19a68ec44de00f3406994c225d3a5e526"`
[INFO] running `"docker" "rm" "-f" "228f7aa851c259678fd30acb339b37e19a68ec44de00f3406994c225d3a5e526"`
[INFO] [stdout] 228f7aa851c259678fd30acb339b37e19a68ec44de00f3406994c225d3a5e526