[INFO] crate ffi-export-proc-macro 0.2.0 is already in cache
[INFO] extracting crate ffi-export-proc-macro 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ffi-export-proc-macro/0.2.0
[INFO] extracting crate ffi-export-proc-macro 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ffi-export-proc-macro/0.2.0
[INFO] validating manifest of ffi-export-proc-macro-0.2.0 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 ffi-export-proc-macro-0.2.0 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 ffi-export-proc-macro-0.2.0
[INFO] finished frobbing ffi-export-proc-macro-0.2.0
[INFO] frobbed toml for ffi-export-proc-macro-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ffi-export-proc-macro/0.2.0/Cargo.toml
[INFO] started frobbing ffi-export-proc-macro-0.2.0
[INFO] finished frobbing ffi-export-proc-macro-0.2.0
[INFO] frobbed toml for ffi-export-proc-macro-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ffi-export-proc-macro/0.2.0/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 ffi-export-proc-macro-0.2.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ffi-export-proc-macro/0.2.0:/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] 286872d5da75a951af4724e56e9a07d28953327fda4e7eba98b436dab8a3a7dd
[INFO] running `"docker" "start" "-a" "286872d5da75a951af4724e56e9a07d28953327fda4e7eba98b436dab8a3a7dd"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ffi-export-proc-macro v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `"docker" "inspect" "286872d5da75a951af4724e56e9a07d28953327fda4e7eba98b436dab8a3a7dd"`
[INFO] running `"docker" "rm" "-f" "286872d5da75a951af4724e56e9a07d28953327fda4e7eba98b436dab8a3a7dd"`
[INFO] [stdout] 286872d5da75a951af4724e56e9a07d28953327fda4e7eba98b436dab8a3a7dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ffi-export-proc-macro/0.2.0:/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] d6be2d92e32d6bbe22c9d4c597e984039c0668ca6da889c7f8b2f74fd0dd27be
[INFO] running `"docker" "start" "-a" "d6be2d92e32d6bbe22c9d4c597e984039c0668ca6da889c7f8b2f74fd0dd27be"`
[INFO] [stderr]    Compiling ffi-export-proc-macro v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "d6be2d92e32d6bbe22c9d4c597e984039c0668ca6da889c7f8b2f74fd0dd27be"`
[INFO] running `"docker" "rm" "-f" "d6be2d92e32d6bbe22c9d4c597e984039c0668ca6da889c7f8b2f74fd0dd27be"`
[INFO] [stdout] d6be2d92e32d6bbe22c9d4c597e984039c0668ca6da889c7f8b2f74fd0dd27be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ffi-export-proc-macro/0.2.0:/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] f3b2e2c524fd90caa3282a3d9d050793cb2abd35fcb60a6a91ebc32b3e5b3241
[INFO] running `"docker" "start" "-a" "f3b2e2c524fd90caa3282a3d9d050793cb2abd35fcb60a6a91ebc32b3e5b3241"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ffi_export_proc_macro-03d7c2d07cf2372d
[INFO] [stderr]    Doc-tests ffi-export-proc-macro
[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] [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] running `"docker" "inspect" "f3b2e2c524fd90caa3282a3d9d050793cb2abd35fcb60a6a91ebc32b3e5b3241"`
[INFO] running `"docker" "rm" "-f" "f3b2e2c524fd90caa3282a3d9d050793cb2abd35fcb60a6a91ebc32b3e5b3241"`
[INFO] [stdout] f3b2e2c524fd90caa3282a3d9d050793cb2abd35fcb60a6a91ebc32b3e5b3241