[INFO] crate concat_bytes 0.1.0 is already in cache
[INFO] extracting crate concat_bytes 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/concat_bytes/0.1.0
[INFO] extracting crate concat_bytes 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concat_bytes/0.1.0
[INFO] validating manifest of concat_bytes-0.1.0 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 concat_bytes-0.1.0 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 concat_bytes-0.1.0
[INFO] finished frobbing concat_bytes-0.1.0
[INFO] frobbed toml for concat_bytes-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/concat_bytes/0.1.0/Cargo.toml
[INFO] started frobbing concat_bytes-0.1.0
[INFO] finished frobbing concat_bytes-0.1.0
[INFO] frobbed toml for concat_bytes-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concat_bytes/0.1.0/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 concat_bytes-0.1.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/concat_bytes/0.1.0:/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] 942d84cca40446b518ca8e111e1b6cddb86865029b3743a56692149d2f22a6ed
[INFO] running `"docker" "start" "-a" "942d84cca40446b518ca8e111e1b6cddb86865029b3743a56692149d2f22a6ed"`
[INFO] [stderr]    Compiling concat_bytes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]  --> src/expand.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use syntax::codemap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `codemap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::plugin`
[INFO] [stderr]  --> src/lib.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustc::plugin::Registry;
[INFO] [stderr]   |            ^^^^^^ could not find `plugin` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `TokenTree` in module `ast`
[INFO] [stderr]   --> src/expand.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |                          tts: &[ast::TokenTree])
[INFO] [stderr]    |                                      ^^^^^^^^^ not found in `ast`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::ext::tt::quoted::TokenTree;
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::tokenstream::TokenTree;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `ExprLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |             ast::ExprLit(ref lit) => {
[INFO] [stderr]    |                  ^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitStr` in module `ast`
[INFO] [stderr]   --> src/expand.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     ast::LitStr(ref s, _) |
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitFloat` in module `ast`
[INFO] [stderr]   --> src/expand.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     ast::LitFloat(ref s, _) |
[INFO] [stderr]    |                          ^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitFloatUnsuffixed` in module `ast`
[INFO] [stderr]   --> src/expand.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     ast::LitFloatUnsuffixed(ref s) => {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitChar` in module `ast`
[INFO] [stderr]   --> src/expand.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     ast::LitChar(c) => {
[INFO] [stderr]    |                          ^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitInt` in module `ast`
[INFO] [stderr]   --> src/expand.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |                     ast::LitInt(i, ast::UnsignedIntLit(_)) |
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `UnsignedIntLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:30:41
[INFO] [stderr]    |
[INFO] [stderr] 30 |                     ast::LitInt(i, ast::UnsignedIntLit(_)) |
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitInt` in module `ast`
[INFO] [stderr]   --> src/expand.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Plus)) |
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `SignedIntLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Plus)) |
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find unit struct/variant or constant `Plus` in module `ast`
[INFO] [stderr]   --> src/expand.rs:31:62
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Plus)) |
[INFO] [stderr]    |                                                              ^^^^ not found in `ast`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::BinOpToken::Plus;
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::Plus;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitInt` in module `ast`
[INFO] [stderr]   --> src/expand.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Plus)) => {
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `UnsuffixedIntLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Plus)) => {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find unit struct/variant or constant `Plus` in module `ast`
[INFO] [stderr]   --> src/expand.rs:32:63
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Plus)) => {
[INFO] [stderr]    |                                                               ^^^^ not found in `ast`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::BinOpToken::Plus;
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::Plus;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitInt` in module `ast`
[INFO] [stderr]   --> src/expand.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Minus)) |
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `SignedIntLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Minus)) |
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find unit struct/variant or constant `Minus` in module `ast`
[INFO] [stderr]   --> src/expand.rs:35:62
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     ast::LitInt(i, ast::SignedIntLit(_, ast::Minus)) |
[INFO] [stderr]    |                                                              ^^^^^ not found in `ast`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::BinOpToken::Minus;
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::Minus;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitInt` in module `ast`
[INFO] [stderr]   --> src/expand.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Minus)) => {
[INFO] [stderr]    |                          ^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `UnsuffixedIntLit` in module `ast`
[INFO] [stderr]   --> src/expand.rs:36:41
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Minus)) => {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find unit struct/variant or constant `Minus` in module `ast`
[INFO] [stderr]   --> src/expand.rs:36:63
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     ast::LitInt(i, ast::UnsuffixedIntLit(ast::Minus)) => {
[INFO] [stderr]    |                                                               ^^^^^ not found in `ast`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::BinOpToken::Minus;
[INFO] [stderr]    |
[INFO] [stderr] 2  | use syntax::parse::token::Minus;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitBool` in module `ast`
[INFO] [stderr]   --> src/expand.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     ast::LitBool(b) => {
[INFO] [stderr]    |                          ^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitByte` in module `ast`
[INFO] [stderr]   --> src/expand.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     ast::LitByte(b) => {
[INFO] [stderr]    |                          ^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find tuple struct/variant `LitBinary` in module `ast`
[INFO] [stderr]   --> src/expand.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     ast::LitBinary(ref bytes) => {
[INFO] [stderr]    |                          ^^^^^^^^^ not found in `ast`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `LitBinary` in module `ast`
[INFO] [stderr]   --> src/expand.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |         ast::LitBinary(Rc::new(accumulator))
[INFO] [stderr]    |              ^^^^^^^^^ not found in `ast`
[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(plugin_registrar, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expand.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 |                          -> Box<base::MacResult+'static> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn base::MacResult+'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 27 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `concat_bytes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "942d84cca40446b518ca8e111e1b6cddb86865029b3743a56692149d2f22a6ed"`
[INFO] running `"docker" "rm" "-f" "942d84cca40446b518ca8e111e1b6cddb86865029b3743a56692149d2f22a6ed"`
[INFO] [stdout] 942d84cca40446b518ca8e111e1b6cddb86865029b3743a56692149d2f22a6ed