[INFO] crate stainless2 0.1.14 is already in cache
[INFO] extracting crate stainless2 0.1.14 into work/ex/beta-1.38-1/sources/1.37.0/reg/stainless2/0.1.14
[INFO] extracting crate stainless2 0.1.14 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stainless2/0.1.14
[INFO] validating manifest of stainless2-0.1.14 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 stainless2-0.1.14 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 stainless2-0.1.14
[INFO] finished frobbing stainless2-0.1.14
[INFO] frobbed toml for stainless2-0.1.14 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stainless2/0.1.14/Cargo.toml
[INFO] started frobbing stainless2-0.1.14
[INFO] finished frobbing stainless2-0.1.14
[INFO] frobbed toml for stainless2-0.1.14 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stainless2/0.1.14/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 stainless2-0.1.14 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/stainless2/0.1.14:/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] dec3294f99b0fab56efc90ea3dc8a4b38c67b3a4687ea1b7f0611f3069188e29
[INFO] running `"docker" "start" "-a" "dec3294f99b0fab56efc90ea3dc8a4b38c67b3a4687ea1b7f0611f3069188e29"`
[INFO] [stderr]    Compiling stainless2 v0.1.14 (/opt/crater/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stderr]   |                              ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc_data_structures::small_vec`
[INFO] [stderr]   --> src/describe.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 | use rustc_data_structures::small_vec::OneVector;
[INFO] [stderr]    |                            ^^^^^^^^^ could not find `small_vec` in `rustc_data_structures`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `quote_ty!` in this scope
[INFO] [stderr]    --> src/generate.rs:159:29
[INFO] [stderr]     |
[INFO] [stderr] 159 |                         ty: quote_ty!(cx, &mut ::test::Bencher),
[INFO] [stderr]     |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `quote_pat!` in this scope
[INFO] [stderr]    --> src/generate.rs:160:30
[INFO] [stderr]     |
[INFO] [stderr] 160 |                         pat: quote_pat!(cx, $bench),
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `NestedMetaItemKind` in `ast`
[INFO] [stderr]   --> src/generate.rs:98:30
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         ast::NestedMetaItemKind::MetaItem(expected_name_value));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^ could not find `NestedMetaItemKind` in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `IdentTT` in module `syntax::ext::base`
[INFO] [stderr]    --> src/lib.rs:192:28
[INFO] [stderr]     |
[INFO] [stderr] 192 |         syntax::ext::base::IdentTT(Box::new(describe), None, false)
[INFO] [stderr]     |                            ^^^^^^^ not found in `syntax::ext::base`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/describe.rs:64:79
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 name: ast::Ident, tokens: Vec<tokenstream::TokenTree>) -> Box<base::MacResult + 'a> {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn base::MacResult + 'a`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:8:23
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(missing_docs, warnings)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::build::AstBuilder`
[INFO] [stderr]   --> src/generate.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:8:23
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(missing_docs, warnings)]
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/describe.rs:66:50
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let state: DescribeState = Parse::parse(&mut parse::stream_to_parser(cx.parse_sess(), tokens.into_iter().collect()), (sp, &mut*cx, Some(name)));
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/parse.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let name = match (open_delim, bench_ident, close_delim) {
[INFO] [stderr]    |                          -------------------------------------- this match expression has type `syntax::parse::token::Token`
[INFO] [stderr] 60 |             (token::OpenDelim(token::Paren), ident, token::CloseDelim(token::Paren)) => { ident },
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]               found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/parse.rs:60:53
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let name = match (open_delim, bench_ident, close_delim) {
[INFO] [stderr]    |                          -------------------------------------- this match expression has type `syntax::parse::token::Token`
[INFO] [stderr] 60 |             (token::OpenDelim(token::Paren), ident, token::CloseDelim(token::Paren)) => { ident },
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]               found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/parse.rs:105:37
[INFO] [stderr]     |
[INFO] [stderr] 105 |                         try(parser, token::OpenDelim(token::Brace), "{ after the name of a describe! block");
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]                found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/parse.rs:163:37
[INFO] [stderr]     |
[INFO] [stderr] 163 |                         try(parser, token::CloseDelim(token::Paren), "unclosed failing condition paren");
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]                found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/parse.rs:177:33
[INFO] [stderr]     |
[INFO] [stderr] 177 |                     try(parser, token::Not, "!");
[INFO] [stderr]     |                                 ^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]                found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/parse.rs:185:33
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     try(parser, token::CloseDelim(token::Brace), "}} to close `describe!`")
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]                found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `span` on type `&mut syntax::parse::parser::Parser<'_>`
[INFO] [stderr]    --> src/parse.rs:206:23
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let span = parser.span;
[INFO] [stderr]     |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/generate.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let test_attribute = cx.attribute(sp, cx.meta_word(sp, Symbol::intern("test")));
[INFO] [stderr]    |                                 ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/generate.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let should_panic = cx.attribute(sp, cx.meta_word(sp, Symbol::intern("should_panic")));
[INFO] [stderr]    |                               ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/generate.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let ignore = cx.attribute(sp, cx.meta_word(sp, Symbol::intern("ignore")));
[INFO] [stderr]    |                         ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/generate.rs:43:39
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let allow_non_snake_case = cx.attribute(sp, allow_non_snake_case);
[INFO] [stderr]    |                                       ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> src/generate.rs:99:35
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     attrs.push(cx.attribute(sp, cx.meta_list(
[INFO] [stderr]    |                                   ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/generate.rs:102:30
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         vec![nested_expected_name_value]
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `syntax::ast::NestedMetaItem`, found struct `syntax::source_map::Spanned`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `syntax::ast::NestedMetaItem`
[INFO] [stderr]                found type `syntax::source_map::Spanned<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `syntax::ast::FnDecl` has no field named `variadic`
[INFO] [stderr]    --> src/generate.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     variadic: false
[INFO] [stderr]     |                     ^^^^^^^^ help: a field with a similar name exists: `c_variadic`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]    --> src/generate.rs:145:34
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let bench_attribute = cx.attribute(sp, cx.meta_word(sp, Symbol::intern("bench")));
[INFO] [stderr]     |                                  ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing fields `attrs`, `span` in initializer of `syntax::ast::Arg`
[INFO] [stderr]    --> src/generate.rs:158:34
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     inputs: vec![ast::Arg {
[INFO] [stderr]     |                                  ^^^^^^^^ missing `attrs`, `span`
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `syntax::ast::FnDecl` has no field named `variadic`
[INFO] [stderr]    --> src/generate.rs:164:21
[INFO] [stderr]     |
[INFO] [stderr] 164 |                     variadic: false
[INFO] [stderr]     |                     ^^^^^^^^ help: a field with a similar name exists: `c_variadic`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 25 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0063, E0308, E0425, E0432, E0433, E0554, E0557, E0560...
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `stainless2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dec3294f99b0fab56efc90ea3dc8a4b38c67b3a4687ea1b7f0611f3069188e29"`
[INFO] running `"docker" "rm" "-f" "dec3294f99b0fab56efc90ea3dc8a4b38c67b3a4687ea1b7f0611f3069188e29"`
[INFO] [stdout] dec3294f99b0fab56efc90ea3dc8a4b38c67b3a4687ea1b7f0611f3069188e29