[INFO] crate error-rules 0.2.5 is already in cache
[INFO] extracting crate error-rules 0.2.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/error-rules/0.2.5
[INFO] extracting crate error-rules 0.2.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/error-rules/0.2.5
[INFO] validating manifest of error-rules-0.2.5 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 error-rules-0.2.5 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 error-rules-0.2.5
[INFO] finished frobbing error-rules-0.2.5
[INFO] frobbed toml for error-rules-0.2.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/error-rules/0.2.5/Cargo.toml
[INFO] started frobbing error-rules-0.2.5
[INFO] finished frobbing error-rules-0.2.5
[INFO] frobbed toml for error-rules-0.2.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/error-rules/0.2.5/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing error-rules-0.2.5 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/error-rules/0.2.5:/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] d0bcb8f6df93653eb1847252c6cf218952e48db0766eae48e30060ad418570d9
[INFO] running `"docker" "start" "-a" "d0bcb8f6df93653eb1847252c6cf218952e48db0766eae48e30060ad418570d9"`
[INFO] [stderr]    Compiling error-rules v0.2.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "d0bcb8f6df93653eb1847252c6cf218952e48db0766eae48e30060ad418570d9"`
[INFO] running `"docker" "rm" "-f" "d0bcb8f6df93653eb1847252c6cf218952e48db0766eae48e30060ad418570d9"`
[INFO] [stdout] d0bcb8f6df93653eb1847252c6cf218952e48db0766eae48e30060ad418570d9
[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/error-rules/0.2.5:/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] f59adfd3aadf08309ded6ca358247498b84069c965b170a67cdf9766e9fa1e38
[INFO] running `"docker" "start" "-a" "f59adfd3aadf08309ded6ca358247498b84069c965b170a67cdf9766e9fa1e38"`
[INFO] [stderr]    Compiling error-rules v0.2.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "f59adfd3aadf08309ded6ca358247498b84069c965b170a67cdf9766e9fa1e38"`
[INFO] running `"docker" "rm" "-f" "f59adfd3aadf08309ded6ca358247498b84069c965b170a67cdf9766e9fa1e38"`
[INFO] [stdout] f59adfd3aadf08309ded6ca358247498b84069c965b170a67cdf9766e9fa1e38
[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/error-rules/0.2.5:/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"`
[INFO] [stdout] 1fdf121c06900e93823cc7c33ddfef0f95b1b97cf23d2ed6019330aec4d8acf7
[INFO] running `"docker" "start" "-a" "1fdf121c06900e93823cc7c33ddfef0f95b1b97cf23d2ed6019330aec4d8acf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/error_rules-1dd2f248fa1c48d2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/macro-6cad3b3c51807d59
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_error_kind_w2_arg ... ok
[INFO] [stdout] test test_error_kind_wo_arg ... ok
[INFO] [stdout] test test_error_kind_w1_arg ... ok
[INFO] [stdout] test test_error_prefix ... ok
[INFO] [stdout] test test_error_from ... ok
[INFO] [stdout] test test_error_from_wo_attrs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error-rules
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 86) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 43) ... ok
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] test src/lib.rs -  (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 86) stdout ----
[INFO] [stdout] error[E0658]: The attribute `error_prefx` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:90:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[error_prefx = "App"]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 86)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "1fdf121c06900e93823cc7c33ddfef0f95b1b97cf23d2ed6019330aec4d8acf7"`
[INFO] running `"docker" "rm" "-f" "1fdf121c06900e93823cc7c33ddfef0f95b1b97cf23d2ed6019330aec4d8acf7"`
[INFO] [stdout] 1fdf121c06900e93823cc7c33ddfef0f95b1b97cf23d2ed6019330aec4d8acf7