[INFO] crate gc_plugin 0.1.1 is already in cache [INFO] extracting crate gc_plugin 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/gc_plugin/0.1.1 [INFO] extracting crate gc_plugin 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gc_plugin/0.1.1 [INFO] validating manifest of gc_plugin-0.1.1 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 gc_plugin-0.1.1 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 gc_plugin-0.1.1 [INFO] finished frobbing gc_plugin-0.1.1 [INFO] frobbed toml for gc_plugin-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gc_plugin/0.1.1/Cargo.toml [INFO] started frobbing gc_plugin-0.1.1 [INFO] finished frobbing gc_plugin-0.1.1 [INFO] frobbed toml for gc_plugin-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gc_plugin/0.1.1/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 gc_plugin-0.1.1 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/gc_plugin/0.1.1:/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] 56b88217ea8b0cdeeb28c4a5bac1ef126887e1c057b5961d151ab42d7670e82b [INFO] running `"docker" "start" "-a" "56b88217ea8b0cdeeb28c4a5bac1ef126887e1c057b5961d151ab42d7670e82b"` [INFO] [stderr] Compiling gc_plugin v0.1.1 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::intern` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use syntax::parse::token::intern; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `intern` in `parse::token` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `syntax::ext::base::MultiDecorator` [INFO] [stderr] --> src/lib.rs:15:47 [INFO] [stderr] | [INFO] [stderr] 15 | use syntax::ext::base::{Annotatable, ExtCtxt, MultiDecorator}; [INFO] [stderr] | ^^^^^^^^^^^^^^ no `MultiDecorator` in `ext::base` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `syntax::codemap` [INFO] [stderr] --> src/lib.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | use syntax::codemap::Span; [INFO] [stderr] | ^^^^^^^ could not find `codemap` in `syntax` [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(plugin_registrar, box_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:28:100 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Annotatable)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] error[E0023]: this pattern has 3 fields, but the corresponding tuple variant has 4 fields [INFO] [stderr] --> src/lib.rs:98:29 [INFO] [stderr] | [INFO] [stderr] 98 | Struct(_, ref fs) | EnumMatching(_, _, ref fs) => fs, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 4 fields, found 3 [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/lib.rs:103:51 [INFO] [stderr] | [INFO] [stderr] 103 | if attrs.iter().all(|ref a| !a.check_name("unsafe_ignore_trace")) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::ast::Name`, found reference [INFO] [stderr] | [INFO] [stderr] = note: expected type `syntax::ast::Name` [INFO] [stderr] found type `&'static str` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0023, E0308, E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0023`. [INFO] [stderr] error: Could not compile `gc_plugin`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "56b88217ea8b0cdeeb28c4a5bac1ef126887e1c057b5961d151ab42d7670e82b"` [INFO] running `"docker" "rm" "-f" "56b88217ea8b0cdeeb28c4a5bac1ef126887e1c057b5961d151ab42d7670e82b"` [INFO] [stdout] 56b88217ea8b0cdeeb28c4a5bac1ef126887e1c057b5961d151ab42d7670e82b