[INFO] fetching crate entheogen 0.1.0...
[INFO] checking entheogen-0.1.0 against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164
[INFO] extracting crate entheogen 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate entheogen 0.1.0 on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate entheogen 0.1.0
[INFO] finished tweaking crates.io crate entheogen 0.1.0
[INFO] tweaked toml for crates.io crate entheogen 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded palette v0.4.1
[INFO] [stderr]   Downloaded palette_derive v0.4.1
[INFO] [stderr]   Downloaded alga v0.8.2
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded glib v0.7.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.8.0
[INFO] [stderr]   Downloaded gobject-sys v0.8.0
[INFO] [stderr]   Downloaded cairo-rs v0.6.0
[INFO] [stderr]   Downloaded glib-sys v0.8.0
[INFO] [stderr]   Downloaded nalgebra v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bdc7489f3ba88fa419c095dd736becb63613f8d0c33dade417331b5c977b399
[INFO] running `Command { std: "docker" "start" "-a" "3bdc7489f3ba88fa419c095dd736becb63613f8d0c33dade417331b5c977b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdc7489f3ba88fa419c095dd736becb63613f8d0c33dade417331b5c977b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdc7489f3ba88fa419c095dd736becb63613f8d0c33dade417331b5c977b399", kill_on_drop: false }`
[INFO] [stdout] 3bdc7489f3ba88fa419c095dd736becb63613f8d0c33dade417331b5c977b399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a3c40e3e5d62473597210641b4c2fe2433152cae787ecaa69133e43f24603e2
[INFO] running `Command { std: "docker" "start" "-a" "8a3c40e3e5d62473597210641b4c2fe2433152cae787ecaa69133e43f24603e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking glib v0.7.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]     Checking entheogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `context`, `width`, and `height` are never read
[INFO] [stdout]   --> src/rendering/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Renderer<T> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     surface: ImageSurface,
[INFO] [stdout] 14 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     height: T,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Renderer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `context`, `width`, and `height` are never read
[INFO] [stdout]   --> src/rendering/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Renderer<T> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     surface: ImageSurface,
[INFO] [stdout] 14 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     width: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     height: T,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Renderer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8a3c40e3e5d62473597210641b4c2fe2433152cae787ecaa69133e43f24603e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3c40e3e5d62473597210641b4c2fe2433152cae787ecaa69133e43f24603e2", kill_on_drop: false }`
[INFO] [stdout] 8a3c40e3e5d62473597210641b4c2fe2433152cae787ecaa69133e43f24603e2