[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] testing johnpmayer/canvas-demo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fcanvas-demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnpmayer/canvas-demo on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c4dd511a428faeb9db8a2a3ea69214030b07130c63c71bfb60eba717a54a40
[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" "35c4dd511a428faeb9db8a2a3ea69214030b07130c63c71bfb60eba717a54a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c4dd511a428faeb9db8a2a3ea69214030b07130c63c71bfb60eba717a54a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c4dd511a428faeb9db8a2a3ea69214030b07130c63c71bfb60eba717a54a40", kill_on_drop: false }`
[INFO] [stdout] 35c4dd511a428faeb9db8a2a3ea69214030b07130c63c71bfb60eba717a54a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ddc5e58633435de069b3c582ea20da13b7820db34fea75992d96e760f52084
[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" "75ddc5e58633435de069b3c582ea20da13b7820db34fea75992d96e760f52084", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling glsl v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling 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] 
[WARN] too much data in the log, truncating it