[INFO] crate weighted-regexp 0.1.0 is already in cache
[INFO] extracting crate weighted-regexp 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/weighted-regexp/0.1.0
[INFO] extracting crate weighted-regexp 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/weighted-regexp/0.1.0
[INFO] validating manifest of weighted-regexp-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 weighted-regexp-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 weighted-regexp-0.1.0
[INFO] finished frobbing weighted-regexp-0.1.0
[INFO] frobbed toml for weighted-regexp-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/weighted-regexp/0.1.0/Cargo.toml
[INFO] started frobbing weighted-regexp-0.1.0
[INFO] finished frobbing weighted-regexp-0.1.0
[INFO] frobbed toml for weighted-regexp-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/weighted-regexp/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 weighted-regexp-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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/weighted-regexp/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] c8438a7191b7addd7e2687994ca6a5dc592578ea7eade64df5eaa8cca7edb0c2
[INFO] running `"docker" "start" "-a" "c8438a7191b7addd7e2687994ca6a5dc592578ea7eade64df5eaa8cca7edb0c2"`
[INFO] [stderr]    Compiling weighted-regexp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<T, M> Regex<T, M> for Box<Regex<T, M>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Regex<T, M>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:39
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub fn match_regex<T, M, I>(re : &mut Regex<T, M>, over : I) -> M
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: use `dyn`: `dyn Regex<T, M>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:34
[INFO] [stderr]     |
[INFO] [stderr] 175 | pub fn has_match<T, I>(re : &mut Regex<T, Match>, over : I) -> bool
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Regex<T, Match>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "c8438a7191b7addd7e2687994ca6a5dc592578ea7eade64df5eaa8cca7edb0c2"`
[INFO] running `"docker" "rm" "-f" "c8438a7191b7addd7e2687994ca6a5dc592578ea7eade64df5eaa8cca7edb0c2"`
[INFO] [stdout] c8438a7191b7addd7e2687994ca6a5dc592578ea7eade64df5eaa8cca7edb0c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/weighted-regexp/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3301fcf75e0bcffc48bec2861de3eb7063955e1f66073e08fc3b7d496ee9c06f
[INFO] running `"docker" "start" "-a" "3301fcf75e0bcffc48bec2861de3eb7063955e1f66073e08fc3b7d496ee9c06f"`
[INFO] [stderr]    Compiling quickcheck v0.3.2
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling quickcheck_macros v0.2.29
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::codemap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ no `codemap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::ext::base::MultiModifier`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 | use syntax::ext::base::{ExtCtxt, MultiModifier, Annotatable};
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  no `MultiModifier` in `ext::base`
[INFO] [stderr]    |                                  help: a similar name exists in the module: `MultiItemModifier`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `intern` in module `token`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     reg.register_syntax_extension(token::intern("quickcheck"),
[INFO] [stderr]    |                                          ^^^^^^ not found in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `str_to_ident` in module `token`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let check_ident = token::str_to_ident("quickcheck");
[INFO] [stderr]    |                              ^^^^^^^^^^^^ not found in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `intern_and_get_ident` in module `token`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:107:41
[INFO] [stderr]     |
[INFO] [stderr] 107 |         span, cx.meta_word(span, token::intern_and_get_ident("test"))));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^ not found in `token`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0023]: this pattern has 6 fields, but the corresponding tuple variant has 4 fields
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         ItemKind::Fn(ref decl, unsafety, _constness, abi, _, _) => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 4 fields, found 6
[INFO] [stderr] 
[INFO] [stderr] error[E0560]: struct `syntax::ast::BareFnTy` has no field named `lifetimes`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.2.29/src/lib.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 lifetimes: vec![],
[INFO] [stderr]    |                 ^^^^^^^^^ `syntax::ast::BareFnTy` does not have this field
[INFO] [stderr]    |
[INFO] [stderr]    = note: available fields are: `unsafety`, `abi`, `generic_params`, `decl`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0023, E0425, E0432, E0554, E0560.
[INFO] [stderr] For more information about an error, try `rustc --explain E0023`.
[INFO] [stderr] error: Could not compile `quickcheck_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3301fcf75e0bcffc48bec2861de3eb7063955e1f66073e08fc3b7d496ee9c06f"`
[INFO] running `"docker" "rm" "-f" "3301fcf75e0bcffc48bec2861de3eb7063955e1f66073e08fc3b7d496ee9c06f"`
[INFO] [stdout] 3301fcf75e0bcffc48bec2861de3eb7063955e1f66073e08fc3b7d496ee9c06f