[INFO] crate ama 0.1.4 is already in cache
[INFO] extracting crate ama 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ama/0.1.4
[INFO] extracting crate ama 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ama/0.1.4
[INFO] validating manifest of ama-0.1.4 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 ama-0.1.4 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 ama-0.1.4
[INFO] finished frobbing ama-0.1.4
[INFO] frobbed toml for ama-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ama/0.1.4/Cargo.toml
[INFO] started frobbing ama-0.1.4
[INFO] finished frobbing ama-0.1.4
[INFO] frobbed toml for ama-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ama/0.1.4/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 ama-0.1.4 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-4/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/ama/0.1.4:/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] ecda8606471d06efa0b777944c05318ac1a8574b35d255b40887f873be3309b7
[INFO] running `"docker" "start" "-a" "ecda8606471d06efa0b777944c05318ac1a8574b35d255b40887f873be3309b7"`
[INFO] [stderr]    Compiling ama v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]   --> src/libama/lib.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(rustc_private, quote)]
[INFO] [stderr]    |                           ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::util::small_vector`
[INFO] [stderr]   --> src/libama/rust.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub use syntax::util::small_vector::SmallVector;
[INFO] [stderr]    |                       ^^^^^^^^^^^^ could not find `small_vector` in `util`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/libama/rust.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub use syntax::ext::quote::rt::ToTokens;
[INFO] [stderr]    |                      ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> src/libama/rust.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub use syntax::codemap::{DUMMY_SP, Span, MultiSpan, Spanned, spanned, mk_sp, respan, BytePos};
[INFO] [stderr]    |                 ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::str_lit`
[INFO] [stderr]   --> src/libama/rust.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub use syntax::parse::str_lit;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ no `str_lit` in `parse`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::str_to_ident`
[INFO] [stderr]   --> src/libama/rust.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub use syntax::parse::token::str_to_ident;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `str_to_ident` in `parse::token`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::lexer::TokenAndSpan`
[INFO] [stderr]   --> src/libama/rust.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub use syntax::parse::lexer::TokenAndSpan;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenAndSpan` in `parse::lexer`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::keywords`
[INFO] [stderr]   --> src/libama/rust.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub use syntax::parse::token::keywords::Keyword;
[INFO] [stderr]    |                               ^^^^^^^^ could not find `keywords` in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::gensym_ident`
[INFO] [stderr]   --> src/libama/rust.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub use syntax::parse::token::gensym_ident;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `gensym_ident` in `parse::token`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/libama/compiler.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |   pub span: Span
[INFO] [stderr]    |             ^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/libama/code_gen.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |   fn current_span(&self) -> Span {
[INFO] [stderr]    |                             ^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Reader` in module `rust::lexer`
[INFO] [stderr]   --> src/libama/code_gen.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl<'a> rust::lexer::Reader for TokenAndSpanArray<'a> {
[INFO] [stderr]    |                       ^^^^^^ not found in `rust::lexer`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/libama/quasiquote.rs:166:44
[INFO] [stderr]     |
[INFO] [stderr] 166 |   fn span_from(&self, start_idx: usize) -> Span {
[INFO] [stderr]     |                                            ^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/libama/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(rustc_private, quote)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Span`
[INFO] [stderr]   --> src/libama/compiler.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rust::{Ident, Span};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Span`
[INFO] [stderr]   --> src/libama/code_gen.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rust::{TokenAndSpan, Span};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/libama/code_gen.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |  -> Box<rust::MacResult + 'a>
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rust::MacResult + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Span`
[INFO] [stderr]   --> src/libama/quasiquote.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rust::{TokenAndSpan, Span, token_to_string};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/libama/lib.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |   compiler: &mut C) -> Box<rust::MacResult + 'a> where
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rust::MacResult + 'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0432, E0433, E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `ama`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ecda8606471d06efa0b777944c05318ac1a8574b35d255b40887f873be3309b7"`
[INFO] running `"docker" "rm" "-f" "ecda8606471d06efa0b777944c05318ac1a8574b35d255b40887f873be3309b7"`
[INFO] [stdout] ecda8606471d06efa0b777944c05318ac1a8574b35d255b40887f873be3309b7