[INFO] updating cached repository https://github.com/johnpmayer/canvas-demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a907172571c52f6d172c2a954b61a18195b350ee
[INFO] testing johnpmayer/canvas-demo against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fcanvas-demo" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnpmayer/canvas-demo on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnpmayer/canvas-demo
[INFO] finished tweaking git repo https://github.com/johnpmayer/canvas-demo
[INFO] tweaked toml for git repo https://github.com/johnpmayer/canvas-demo written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johnpmayer/canvas-demo already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] f72417b092b67e99c4b5a83e5a90c7c63b69a0aaa945b9613bc27f6eb27d20f0
[INFO] running `"docker" "start" "-a" "f72417b092b67e99c4b5a83e5a90c7c63b69a0aaa945b9613bc27f6eb27d20f0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling stdweb v0.3.0
[INFO] [stderr]    Compiling glsl v0.7.2
[INFO] [stderr]    Compiling canvas-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `vert_source`
[INFO] [stderr]   --> build.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let (vert_source, vert_declarations) = parse_file(vert_filename.as_str())?;
[INFO] [stderr]    |              ^^^^^^^^^^^ help: consider prefixing with an underscore: `_vert_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vert_declarations`
[INFO] [stderr]   --> build.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let (vert_source, vert_declarations) = parse_file(vert_filename.as_str())?;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_vert_declarations`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frag_source`
[INFO] [stderr]   --> build.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (frag_source, frag_declarations) = parse_file(frag_filename.as_str())?;
[INFO] [stderr]    |              ^^^^^^^^^^^ help: consider prefixing with an underscore: `_frag_source`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frag_declarations`
[INFO] [stderr]   --> build.rs:58:27
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let (frag_source, frag_declarations) = parse_file(frag_filename.as_str())?;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_frag_declarations`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rust_filename`
[INFO] [stderr]   --> build.rs:56:71
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn process_file(vert_filename: String, frag_filename: String, rust_filename: String) -> Result<(), CompilerError> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_rust_filename`
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `canvas-demo v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/canvas-demo-c482529e219d9068/build-script-build` (exit code: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] Compiling src/shaders/purple_vert.glsl & src/shaders/purple_frag.glsl to src/shaders/purple.rs
[INFO] [stderr] Success parsing src/shaders/purple_vert.glsl
[INFO] [stderr] Success parsing src/shaders/purple_frag.glsl
[INFO] [stderr] All good! Faking a bad exit code for debugging.
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f72417b092b67e99c4b5a83e5a90c7c63b69a0aaa945b9613bc27f6eb27d20f0"`
[INFO] running `"docker" "rm" "-f" "f72417b092b67e99c4b5a83e5a90c7c63b69a0aaa945b9613bc27f6eb27d20f0"`
[INFO] [stdout] f72417b092b67e99c4b5a83e5a90c7c63b69a0aaa945b9613bc27f6eb27d20f0