[INFO] crate peg-syntax-ext 0.5.7 is already in cache [INFO] extracting crate peg-syntax-ext 0.5.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/peg-syntax-ext/0.5.7 [INFO] extracting crate peg-syntax-ext 0.5.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/peg-syntax-ext/0.5.7 [INFO] validating manifest of peg-syntax-ext-0.5.7 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of peg-syntax-ext-0.5.7 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing peg-syntax-ext-0.5.7 [INFO] finished frobbing peg-syntax-ext-0.5.7 [INFO] frobbed toml for peg-syntax-ext-0.5.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/peg-syntax-ext/0.5.7/Cargo.toml [INFO] started frobbing peg-syntax-ext-0.5.7 [INFO] finished frobbing peg-syntax-ext-0.5.7 [INFO] frobbed toml for peg-syntax-ext-0.5.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/peg-syntax-ext/0.5.7/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing peg-syntax-ext-0.5.7 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/peg-syntax-ext/0.5.7:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 4777baf45cd431d5a6e389912eddfc343573577ef44f595d613a624aab82be4f [INFO] running `"docker" "start" "-a" "4777baf45cd431d5a6e389912eddfc343573577ef44f595d613a624aab82be4f"` [INFO] [stderr] Compiling peg v0.5.7 [INFO] [stderr] Compiling peg-syntax-ext v0.5.7 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `syntax::fold` [INFO] [stderr] --> lib.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | use syntax::fold::Folder; [INFO] [stderr] | ^^^^ could not find `fold` in `syntax` [INFO] [stderr] [INFO] [stderr] error: cannot find macro `panictry!` in this scope [INFO] [stderr] --> lib.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | while let Some(item) = panictry!(p.parse_item()) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find macro `panictry!` in this scope [INFO] [stderr] --> lib.rs:93:39 [INFO] [stderr] | [INFO] [stderr] 93 | let arg = cx.expander().fold_expr(panictry!(parser.parse_expr())); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0423]: expected function, found struct variant `syntax::ext::base::IdentTT` [INFO] [stderr] --> lib.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | syntax::ext::base::IdentTT(Box::new(expand_peg_str), None, false)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ did you mean `syntax::ext::base::IdentTT { /* fields */ }`? [INFO] [stderr] [INFO] [stderr] error[E0423]: expected function, found struct variant `syntax::ext::base::IdentTT` [INFO] [stderr] --> lib.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | syntax::ext::base::IdentTT(Box::new(expand_peg_file), None, false)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ did you mean `syntax::ext::base::IdentTT { /* fields */ }`? [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(plugin_registrar, rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] pub extern crate syntax; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `fold_expr` found for type `syntax::ext::expand::MacroExpander<'_, '_>` in the current scope [INFO] [stderr] --> lib.rs:93:29 [INFO] [stderr] | [INFO] [stderr] 93 | let arg = cx.expander().fold_expr(panictry!(parser.parse_expr())); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0423, E0432, E0554, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0423`. [INFO] [stderr] error: Could not compile `peg-syntax-ext`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4777baf45cd431d5a6e389912eddfc343573577ef44f595d613a624aab82be4f"` [INFO] running `"docker" "rm" "-f" "4777baf45cd431d5a6e389912eddfc343573577ef44f595d613a624aab82be4f"` [INFO] [stdout] 4777baf45cd431d5a6e389912eddfc343573577ef44f595d613a624aab82be4f