[INFO] crate stainless2 0.1.14 is already in cache
[INFO] extracting crate stainless2 0.1.14 into work/ex/beta-1.37-6/sources/1.36.0/reg/stainless2/0.1.14
[INFO] extracting crate stainless2 0.1.14 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stainless2/0.1.14
[INFO] validating manifest of stainless2-0.1.14 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 stainless2-0.1.14 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 stainless2-0.1.14
[INFO] finished frobbing stainless2-0.1.14
[INFO] frobbed toml for stainless2-0.1.14 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/stainless2/0.1.14/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stainless2-0.1.14 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 15431680dc0d33f96c5f80c2e1230205e65305eac9e45e4b5fc72dcf15786e44
[INFO] running `"docker" "start" "-a" "15431680dc0d33f96c5f80c2e1230205e65305eac9e45e4b5fc72dcf15786e44"`
[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]   |                              ^^^^^
[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[E0423]: expected function, found struct variant `syntax::ext::base::IdentTT`
[INFO] [stderr]    --> src/lib.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         syntax::ext::base::IdentTT(Box::new(describe), 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]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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[E0063]: missing field `source` 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 `source`
[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 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0308, E0423, E0432, E0433, E0554, E0557, E0560.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `stainless2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "15431680dc0d33f96c5f80c2e1230205e65305eac9e45e4b5fc72dcf15786e44"`
[INFO] running `"docker" "rm" "-f" "15431680dc0d33f96c5f80c2e1230205e65305eac9e45e4b5fc72dcf15786e44"`
[INFO] [stdout] 15431680dc0d33f96c5f80c2e1230205e65305eac9e45e4b5fc72dcf15786e44