[INFO] fetching crate piet-web 0.6.2...
[INFO] checking piet-web-0.6.2 against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] extracting crate piet-web 0.6.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate piet-web 0.6.2 on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-web 0.6.2
[INFO] finished tweaking crates.io crate piet-web 0.6.2
[INFO] tweaked toml for crates.io crate piet-web 0.6.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding kurbo v0.9.5 (latest: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a139bc6cccb54fabd9e2710973c58f71e123c9f2cb6bde51ee4b8a03ec4b17
[INFO] running `Command { std: "docker" "start" "-a" "67a139bc6cccb54fabd9e2710973c58f71e123c9f2cb6bde51ee4b8a03ec4b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a139bc6cccb54fabd9e2710973c58f71e123c9f2cb6bde51ee4b8a03ec4b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a139bc6cccb54fabd9e2710973c58f71e123c9f2cb6bde51ee4b8a03ec4b17", kill_on_drop: false }`
[INFO] [stdout] 67a139bc6cccb54fabd9e2710973c58f71e123c9f2cb6bde51ee4b8a03ec4b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80b4fffc74280cb3674421b3ec4ec2bb4905ceea210f00e3e815c108d82861d3
[INFO] running `Command { std: "docker" "start" "-a" "80b4fffc74280cb3674421b3ec4ec2bb4905ceea210f00e3e815c108d82861d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr]     Checking piet v0.6.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stderr]     Checking piet-web v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let mut canvas_state = self.canvas_states.last_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let mut canvas_state = self.canvas_states.last_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "80b4fffc74280cb3674421b3ec4ec2bb4905ceea210f00e3e815c108d82861d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b4fffc74280cb3674421b3ec4ec2bb4905ceea210f00e3e815c108d82861d3", kill_on_drop: false }`
[INFO] [stdout] 80b4fffc74280cb3674421b3ec4ec2bb4905ceea210f00e3e815c108d82861d3
[INFO] checking piet-web-0.6.2 against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] extracting crate piet-web 0.6.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate piet-web 0.6.2 on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-web 0.6.2
[INFO] finished tweaking crates.io crate piet-web 0.6.2
[INFO] tweaked toml for crates.io crate piet-web 0.6.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding kurbo v0.9.5 (latest: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b2d12c9c67642495dbbf859a5f0814159a71d0b5d0ced7dd2ced86ba10011f
[INFO] running `Command { std: "docker" "start" "-a" "e8b2d12c9c67642495dbbf859a5f0814159a71d0b5d0ced7dd2ced86ba10011f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b2d12c9c67642495dbbf859a5f0814159a71d0b5d0ced7dd2ced86ba10011f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b2d12c9c67642495dbbf859a5f0814159a71d0b5d0ced7dd2ced86ba10011f", kill_on_drop: false }`
[INFO] [stdout] e8b2d12c9c67642495dbbf859a5f0814159a71d0b5d0ced7dd2ced86ba10011f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e33bb669128a4838c343b7fcf02ce25bd9752678335487d85c7fcbdedc4fbb
[INFO] running `Command { std: "docker" "start" "-a" "b1e33bb669128a4838c343b7fcf02ce25bd9752678335487d85c7fcbdedc4fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stdout] error: expected pattern, found expression `stringify! (AL)`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unic-ucd-bidi-0.9.0/src/bidi_class.rs:16:1
[INFO] [stdout]     |
[INFO] [stdout] 16  | / char_property! {
[INFO] [stdout] 17  | |     /// Represents the Unicode character
[INFO] [stdout] 18  | |     /// [`Bidi_Class`](https://www.unicode.org/reports/tr44/#Bidi_Class) property, also known as the
[INFO] [stdout] 19  | |     /// *bidirectional character type*.
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |     pub mod long_names for long;
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_^ expected pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `char_property` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unic-ucd-bidi` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1e33bb669128a4838c343b7fcf02ce25bd9752678335487d85c7fcbdedc4fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e33bb669128a4838c343b7fcf02ce25bd9752678335487d85c7fcbdedc4fbb", kill_on_drop: false }`
[INFO] [stdout] b1e33bb669128a4838c343b7fcf02ce25bd9752678335487d85c7fcbdedc4fbb