[INFO] crate indoc-impl 0.3.3 is already in cache
[INFO] extracting crate indoc-impl 0.3.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/indoc-impl/0.3.3
[INFO] extracting crate indoc-impl 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/indoc-impl/0.3.3
[INFO] validating manifest of indoc-impl-0.3.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of indoc-impl-0.3.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing indoc-impl-0.3.3
[INFO] finished frobbing indoc-impl-0.3.3
[INFO] frobbed toml for indoc-impl-0.3.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/indoc-impl/0.3.3/Cargo.toml
[INFO] started frobbing indoc-impl-0.3.3
[INFO] finished frobbing indoc-impl-0.3.3
[INFO] frobbed toml for indoc-impl-0.3.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/indoc-impl/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing indoc-impl-0.3.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/indoc-impl/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6710d43b260677a58c3ebddd8a402b9849e1eee77e5ba7c8e7a56ccc359a4cbb
[INFO] running `"docker" "start" "-a" "6710d43b260677a58c3ebddd8a402b9849e1eee77e5ba7c8e7a56ccc359a4cbb"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling indoc-impl v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let source = TokenStream::from(input);
[INFO] [stderr]    |                                    ^^^^^ expected struct `proc_macro2::TokenStream`, found struct `proc_macro::TokenStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `proc_macro2::TokenStream`
[INFO] [stderr]               found type `proc_macro::TokenStream`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `proc_macro::TokenStream: std::convert::From<proc_macro2::TokenStream>` is not satisfied
[INFO] [stderr]   --> src/lib.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     proc_macro::TokenStream::from(quote!(#lit))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<proc_macro2::TokenStream>` is not implemented for `proc_macro::TokenStream`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <proc_macro::TokenStream as std::convert::From<proc_macro::TokenTree>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `indoc-impl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6710d43b260677a58c3ebddd8a402b9849e1eee77e5ba7c8e7a56ccc359a4cbb"`
[INFO] running `"docker" "rm" "-f" "6710d43b260677a58c3ebddd8a402b9849e1eee77e5ba7c8e7a56ccc359a4cbb"`
[INFO] [stdout] 6710d43b260677a58c3ebddd8a402b9849e1eee77e5ba7c8e7a56ccc359a4cbb