[INFO] updating cached repository da-eto/rust-graphics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/da-eto/rust-graphics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/da-eto/rust-graphics" "work/ex/beta-1.38-1/sources/1.37.0/gh/da-eto/rust-graphics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/da-eto/rust-graphics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/da-eto/rust-graphics" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/da-eto/rust-graphics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/da-eto/rust-graphics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ed5b9d6b22183204fb3b81b291d45d6ef73bf6d
[INFO] sha for GitHub repo da-eto/rust-graphics: 5ed5b9d6b22183204fb3b81b291d45d6ef73bf6d
[INFO] validating manifest of da-eto/rust-graphics 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 da-eto/rust-graphics 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 da-eto/rust-graphics
[INFO] finished frobbing da-eto/rust-graphics
[INFO] frobbed toml for da-eto/rust-graphics written to work/ex/beta-1.38-1/sources/1.37.0/gh/da-eto/rust-graphics/Cargo.toml
[INFO] started frobbing da-eto/rust-graphics
[INFO] finished frobbing da-eto/rust-graphics
[INFO] frobbed toml for da-eto/rust-graphics written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/da-eto/rust-graphics/Cargo.toml
[INFO] crate da-eto/rust-graphics 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/da-eto/rust-graphics/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 da-eto/rust-graphics against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/da-eto/rust-graphics:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 49e33ad7817806537e0c9cdaf9395ec4c04ef2e024838b902e1df8e53e304cf1
[INFO] running `"docker" "start" "-a" "49e33ad7817806537e0c9cdaf9395ec4c04ef2e024838b902e1df8e53e304cf1"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust-graphics v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(collections)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/main.rs:48:57
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let l = light * ((m.verts[f[2]] - v0).cross((m.verts[f[1]] - v0))).normalized();
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for type `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/painting.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |         vs.push_all(&[v0, v1, v2]);
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `y` on type `&_`
[INFO] [stderr]   --> src/painting.rs:69:29
[INFO] [stderr]    |
[INFO] [stderr] 69 |         vs.sort_by(|a, b| a.y.cmp(&b.y));
[INFO] [stderr]    |                             ^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `tail` found for type `std::vec::Vec<&str>` in the current scope
[INFO] [stderr]    --> src/geometry.rs:167:38
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let coords: Vec<f64> = v.tail().iter().map(|s| s.trim()).filter_map(
[INFO] [stderr]     |                                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `tail` found for type `std::vec::Vec<&str>` in the current scope
[INFO] [stderr]    --> src/geometry.rs:176:39
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let verts: Vec<usize> = v.tail().iter().map(|s| s.trim()).filter_map(
[INFO] [stderr]     |                                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rust-graphics`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "49e33ad7817806537e0c9cdaf9395ec4c04ef2e024838b902e1df8e53e304cf1"`
[INFO] running `"docker" "rm" "-f" "49e33ad7817806537e0c9cdaf9395ec4c04ef2e024838b902e1df8e53e304cf1"`
[INFO] [stdout] 49e33ad7817806537e0c9cdaf9395ec4c04ef2e024838b902e1df8e53e304cf1