[INFO] cloning repository https://github.com/johnpmayer/canvas-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnpmayer/canvas-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fcanvas-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fcanvas-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a907172571c52f6d172c2a954b61a18195b350ee
[INFO] checking johnpmayer/canvas-demo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fcanvas-demo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnpmayer/canvas-demo on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/johnpmayer/canvas-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glsl v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8602fa906ffc0528a02d4738315b8cf8570305f260dc002cccda058c69b58e05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8602fa906ffc0528a02d4738315b8cf8570305f260dc002cccda058c69b58e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8602fa906ffc0528a02d4738315b8cf8570305f260dc002cccda058c69b58e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8602fa906ffc0528a02d4738315b8cf8570305f260dc002cccda058c69b58e05", kill_on_drop: false }`
[INFO] [stdout] 8602fa906ffc0528a02d4738315b8cf8570305f260dc002cccda058c69b58e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36bec696b1402b19b4ed7583ddadacb7fb30705cbf21e82d6d797c788321e9b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36bec696b1402b19b4ed7583ddadacb7fb30705cbf21e82d6d797c788321e9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling glsl v0.7.2
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking stdweb v0.3.0
[INFO] [stderr]    Compiling canvas-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vert_source`
[INFO] [stdout]   --> build.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (vert_source, vert_declarations) = parse_file(vert_filename.as_str())?;
[INFO] [stdout]    |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vert_source`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vert_declarations`
[INFO] [stdout]   --> build.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (vert_source, vert_declarations) = parse_file(vert_filename.as_str())?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vert_declarations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frag_source`
[INFO] [stdout]   --> build.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let (frag_source, frag_declarations) = parse_file(frag_filename.as_str())?;
[INFO] [stdout]    |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frag_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frag_declarations`
[INFO] [stdout]   --> build.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let (frag_source, frag_declarations) = parse_file(frag_filename.as_str())?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frag_declarations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rust_filename`
[INFO] [stdout]   --> build.rs:56:71
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn process_file(vert_filename: String, frag_filename: String, rust_filename: String) -> Result<(), CompilerError> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rust_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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-3f1f440b08951eab/build-script-build` (exit status: 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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36bec696b1402b19b4ed7583ddadacb7fb30705cbf21e82d6d797c788321e9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bec696b1402b19b4ed7583ddadacb7fb30705cbf21e82d6d797c788321e9b7", kill_on_drop: false }`
[INFO] [stdout] 36bec696b1402b19b4ed7583ddadacb7fb30705cbf21e82d6d797c788321e9b7