[INFO] crate mouscache_derive 0.4.0 is already in cache
[INFO] extracting crate mouscache_derive 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mouscache_derive/0.4.0
[INFO] extracting crate mouscache_derive 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mouscache_derive/0.4.0
[INFO] validating manifest of mouscache_derive-0.4.0 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 mouscache_derive-0.4.0 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 mouscache_derive-0.4.0
[INFO] finished frobbing mouscache_derive-0.4.0
[INFO] frobbed toml for mouscache_derive-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mouscache_derive/0.4.0/Cargo.toml
[INFO] started frobbing mouscache_derive-0.4.0
[INFO] finished frobbing mouscache_derive-0.4.0
[INFO] frobbed toml for mouscache_derive-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mouscache_derive/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache
[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 mouscache_derive-0.4.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mouscache_derive/0.4.0:/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] e3ec522435a5c20a50fd2924ce125ffb898c04b8a2252a7b382cf56139f58fa0
[INFO] running `"docker" "start" "-a" "e3ec522435a5c20a50fd2924ce125ffb898c04b8a2252a7b382cf56139f58fa0"`
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling mouscache_derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `"docker" "inspect" "e3ec522435a5c20a50fd2924ce125ffb898c04b8a2252a7b382cf56139f58fa0"`
[INFO] running `"docker" "rm" "-f" "e3ec522435a5c20a50fd2924ce125ffb898c04b8a2252a7b382cf56139f58fa0"`
[INFO] [stdout] e3ec522435a5c20a50fd2924ce125ffb898c04b8a2252a7b382cf56139f58fa0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mouscache_derive/0.4.0:/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] 1daf30923a35125332909d54557c1c85897a8ab8e4c02fee0d080ff9edafb63f
[INFO] running `"docker" "start" "-a" "1daf30923a35125332909d54557c1c85897a8ab8e4c02fee0d080ff9edafb63f"`
[INFO] [stderr]    Compiling mouscache_derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "1daf30923a35125332909d54557c1c85897a8ab8e4c02fee0d080ff9edafb63f"`
[INFO] running `"docker" "rm" "-f" "1daf30923a35125332909d54557c1c85897a8ab8e4c02fee0d080ff9edafb63f"`
[INFO] [stdout] 1daf30923a35125332909d54557c1c85897a8ab8e4c02fee0d080ff9edafb63f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mouscache_derive/0.4.0:/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"`
[INFO] [stdout] 3e789c7c7f2cb570314e3de2d9db1b788be512ec045d2287d1ce01bb658accec
[INFO] running `"docker" "start" "-a" "3e789c7c7f2cb570314e3de2d9db1b788be512ec045d2287d1ce01bb658accec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mouscache_derive-bd189e8c360c9ab0
[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]    Doc-tests mouscache_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 3) stdout ----
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Cacheable)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: Unit fields are not implemented at this time -> #[derive(Cacheable)] only apply to structs with named fields
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 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" "3e789c7c7f2cb570314e3de2d9db1b788be512ec045d2287d1ce01bb658accec"`
[INFO] running `"docker" "rm" "-f" "3e789c7c7f2cb570314e3de2d9db1b788be512ec045d2287d1ce01bb658accec"`
[INFO] [stdout] 3e789c7c7f2cb570314e3de2d9db1b788be512ec045d2287d1ce01bb658accec