[INFO] crate wasm-bindgen-test-crate-b 0.1.0 is already in cache
[INFO] extracting crate wasm-bindgen-test-crate-b 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-bindgen-test-crate-b/0.1.0
[INFO] extracting crate wasm-bindgen-test-crate-b 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wasm-bindgen-test-crate-b/0.1.0
[INFO] validating manifest of wasm-bindgen-test-crate-b-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 wasm-bindgen-test-crate-b-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 wasm-bindgen-test-crate-b-0.1.0
[INFO] finished frobbing wasm-bindgen-test-crate-b-0.1.0
[INFO] frobbed toml for wasm-bindgen-test-crate-b-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-bindgen-test-crate-b/0.1.0/Cargo.toml
[INFO] started frobbing wasm-bindgen-test-crate-b-0.1.0
[INFO] finished frobbing wasm-bindgen-test-crate-b-0.1.0
[INFO] frobbed toml for wasm-bindgen-test-crate-b-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wasm-bindgen-test-crate-b/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 wasm-bindgen-test-crate-b-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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-bindgen-test-crate-b/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] a0da43a040905a7711693b630a63d7abb8d7720fde9548ac1d1774e5e67a8ef8
[INFO] running `"docker" "start" "-a" "a0da43a040905a7711693b630a63d7abb8d7720fde9548ac1d1774e5e67a8ef8"`
[INFO] [stderr]    Compiling wasm-bindgen-test-crate-b v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: unknown attribute
[INFO] [stderr]  --> src/lib.rs:7:57
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[wasm_bindgen(module = "tests/wasm/duplicate_deps.js", version = "*")]
[INFO] [stderr]   |                                                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `foo` in this scope
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     foo(10);
[INFO] [stderr]    |     ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(use_extern_macros)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `wasm-bindgen-test-crate-b`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a0da43a040905a7711693b630a63d7abb8d7720fde9548ac1d1774e5e67a8ef8"`
[INFO] running `"docker" "rm" "-f" "a0da43a040905a7711693b630a63d7abb8d7720fde9548ac1d1774e5e67a8ef8"`
[INFO] [stdout] a0da43a040905a7711693b630a63d7abb8d7720fde9548ac1d1774e5e67a8ef8