[INFO] crate unicode_names2_macros 0.2.0 is already in cache
[INFO] extracting crate unicode_names2_macros 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/unicode_names2_macros/0.2.0
[INFO] extracting crate unicode_names2_macros 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unicode_names2_macros/0.2.0
[INFO] validating manifest of unicode_names2_macros-0.2.0 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 unicode_names2_macros-0.2.0 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 unicode_names2_macros-0.2.0
[INFO] finished frobbing unicode_names2_macros-0.2.0
[INFO] frobbed toml for unicode_names2_macros-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/unicode_names2_macros/0.2.0/Cargo.toml
[INFO] started frobbing unicode_names2_macros-0.2.0
[INFO] finished frobbing unicode_names2_macros-0.2.0
[INFO] frobbed toml for unicode_names2_macros-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unicode_names2_macros/0.2.0/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] 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 unicode_names2_macros-0.2.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unicode_names2_macros/0.2.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7e00613e2cfd93e6a1035c1e2e079af3ab02b4cd611af07c7e63a4a18f99ee36
[INFO] running `"docker" "start" "-a" "7e00613e2cfd93e6a1035c1e2e079af3ab02b4cd611af07c7e63a4a18f99ee36"`
[INFO] [stderr]    Compiling unicode_names2 v0.2.2
[INFO] [stderr]    Compiling unicode_names2_macros v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(quote, plugin_registrar, plugin, rustc_private)]
[INFO] [stderr]   |            ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use syntax::codemap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ no `codemap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(quote, plugin_registrar, plugin, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::build::AstBuilder`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |               tts: &[TokenTree]) -> Box<MacResult+'static> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MacResult+'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:73
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn named(cx: &mut ExtCtxt, sp: codemap::Span, tts: &[TokenTree]) -> Box<MacResult+'static> {
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MacResult+'static`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `unicode_names2_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7e00613e2cfd93e6a1035c1e2e079af3ab02b4cd611af07c7e63a4a18f99ee36"`
[INFO] running `"docker" "rm" "-f" "7e00613e2cfd93e6a1035c1e2e079af3ab02b4cd611af07c7e63a4a18f99ee36"`
[INFO] [stdout] 7e00613e2cfd93e6a1035c1e2e079af3ab02b4cd611af07c7e63a4a18f99ee36