[INFO] crate relm-gen-widget 0.16.0 is already in cache
[INFO] testing relm-gen-widget-0.16.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate relm-gen-widget 0.16.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate relm-gen-widget 0.16.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 19da476484b8980d62b300e42d408132e16dc65e9f1c33893b40aefec81b3973
[INFO] running `"docker" "start" "-a" "19da476484b8980d62b300e42d408132e16dc65e9f1c33893b40aefec81b3973"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gen.rs:659:17
[INFO] [stderr]     |
[INFO] [stderr] 659 |             let mut original_type = typ.clone();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.21s
[INFO] running `"docker" "inspect" "19da476484b8980d62b300e42d408132e16dc65e9f1c33893b40aefec81b3973"`
[INFO] running `"docker" "rm" "-f" "19da476484b8980d62b300e42d408132e16dc65e9f1c33893b40aefec81b3973"`
[INFO] [stdout] 19da476484b8980d62b300e42d408132e16dc65e9f1c33893b40aefec81b3973
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3ef2bf1a259a90c46780db782942c5f25ce5fa52cc52fec04cfb638ace500a91
[INFO] running `"docker" "start" "-a" "3ef2bf1a259a90c46780db782942c5f25ce5fa52cc52fec04cfb638ace500a91"`
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syn::parse_expr`
[INFO] [stderr]    --> src/lib.rs:660:9
[INFO] [stderr]     |
[INFO] [stderr] 660 |     use syn::parse_expr;
[INFO] [stderr]     |         ^^^^^----------
[INFO] [stderr]     |         |    |
[INFO] [stderr]     |         |    help: a similar name exists in the module: `parse_str`
[INFO] [stderr]     |         no `parse_expr` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syn::ExprKind`
[INFO] [stderr]    --> src/lib.rs:661:15
[INFO] [stderr]     |
[INFO] [stderr] 661 |     use syn::{ExprKind};
[INFO] [stderr]     |               ^^^^^^^^ no `ExprKind` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `relm-gen-widget`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3ef2bf1a259a90c46780db782942c5f25ce5fa52cc52fec04cfb638ace500a91"`
[INFO] running `"docker" "rm" "-f" "3ef2bf1a259a90c46780db782942c5f25ce5fa52cc52fec04cfb638ace500a91"`
[INFO] [stdout] 3ef2bf1a259a90c46780db782942c5f25ce5fa52cc52fec04cfb638ace500a91