[INFO] fetching crate relm-gen-widget 0.16.0...
[INFO] checking relm-gen-widget-0.16.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate relm-gen-widget 0.16.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate relm-gen-widget 0.16.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate relm-gen-widget 0.16.0
[INFO] finished tweaking crates.io crate relm-gen-widget 0.16.0
[INFO] tweaked toml for crates.io crate relm-gen-widget 0.16.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c5bbd32a1e25e29796ce727c64c154af72a62f5ab370e6a0056d687076d8c9
[INFO] running `Command { std: "docker" "start" "-a" "d5c5bbd32a1e25e29796ce727c64c154af72a62f5ab370e6a0056d687076d8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c5bbd32a1e25e29796ce727c64c154af72a62f5ab370e6a0056d687076d8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c5bbd32a1e25e29796ce727c64c154af72a62f5ab370e6a0056d687076d8c9", kill_on_drop: false }`
[INFO] [stdout] d5c5bbd32a1e25e29796ce727c64c154af72a62f5ab370e6a0056d687076d8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 351a8697fa632566676090b4a1f37a396dcf26233aace1306214d3b7cb0457a7
[INFO] running `Command { std: "docker" "start" "-a" "351a8697fa632566676090b4a1f37a396dcf26233aace1306214d3b7cb0457a7", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking relm-gen-widget v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::parse_expr`
[INFO] [stdout]    --> src/lib.rs:660:9
[INFO] [stdout]     |
[INFO] [stdout] 660 |     use syn::parse_expr;
[INFO] [stdout]     |         ^^^^^----------
[INFO] [stdout]     |         |    |
[INFO] [stdout]     |         |    help: a similar name exists in the module: `parse_str`
[INFO] [stdout]     |         no `parse_expr` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::ExprKind`
[INFO] [stdout]    --> src/lib.rs:661:15
[INFO] [stdout]     |
[INFO] [stdout] 661 |     use syn::{ExprKind};
[INFO] [stdout]     |               ^^^^^^^^ no `ExprKind` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relm-gen-widget` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gen.rs:659:17
[INFO] [stdout]     |
[INFO] [stdout] 659 |             let mut original_type = typ.clone();
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "351a8697fa632566676090b4a1f37a396dcf26233aace1306214d3b7cb0457a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351a8697fa632566676090b4a1f37a396dcf26233aace1306214d3b7cb0457a7", kill_on_drop: false }`
[INFO] [stdout] 351a8697fa632566676090b4a1f37a396dcf26233aace1306214d3b7cb0457a7