[INFO] crate snapshot-proc-macro 0.1.0 is already in cache
[INFO] extracting crate snapshot-proc-macro 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/snapshot-proc-macro/0.1.0
[INFO] extracting crate snapshot-proc-macro 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/snapshot-proc-macro/0.1.0
[INFO] validating manifest of snapshot-proc-macro-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 snapshot-proc-macro-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 snapshot-proc-macro-0.1.0
[INFO] finished frobbing snapshot-proc-macro-0.1.0
[INFO] frobbed toml for snapshot-proc-macro-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/snapshot-proc-macro/0.1.0/Cargo.toml
[INFO] started frobbing snapshot-proc-macro-0.1.0
[INFO] finished frobbing snapshot-proc-macro-0.1.0
[INFO] frobbed toml for snapshot-proc-macro-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/snapshot-proc-macro/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] [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 snapshot-proc-macro-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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snapshot-proc-macro/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] 374a4352b1a2e770a444dab325ae6c3df49f5642a77d8cb4de6a4c2bcb824c1f
[INFO] running `"docker" "start" "-a" "374a4352b1a2e770a444dab325ae6c3df49f5642a77d8cb4de6a4c2bcb824c1f"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling snapshot-proc-macro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `"docker" "inspect" "374a4352b1a2e770a444dab325ae6c3df49f5642a77d8cb4de6a4c2bcb824c1f"`
[INFO] running `"docker" "rm" "-f" "374a4352b1a2e770a444dab325ae6c3df49f5642a77d8cb4de6a4c2bcb824c1f"`
[INFO] [stdout] 374a4352b1a2e770a444dab325ae6c3df49f5642a77d8cb4de6a4c2bcb824c1f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snapshot-proc-macro/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] 5200cee49976d9cb394596c77c0d208a87f5615d35bc7c2f1ea302b2e3119c9f
[INFO] running `"docker" "start" "-a" "5200cee49976d9cb394596c77c0d208a87f5615d35bc7c2f1ea302b2e3119c9f"`
[INFO] [stderr]    Compiling snapshot-proc-macro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "5200cee49976d9cb394596c77c0d208a87f5615d35bc7c2f1ea302b2e3119c9f"`
[INFO] running `"docker" "rm" "-f" "5200cee49976d9cb394596c77c0d208a87f5615d35bc7c2f1ea302b2e3119c9f"`
[INFO] [stdout] 5200cee49976d9cb394596c77c0d208a87f5615d35bc7c2f1ea302b2e3119c9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/snapshot-proc-macro/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"`
[INFO] [stdout] ed6bbbdf782256ef9f738683a47c546204e0fa56bb2db0449e51259e2eb0da2e
[INFO] running `"docker" "start" "-a" "ed6bbbdf782256ef9f738683a47c546204e0fa56bb2db0449e51259e2eb0da2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snapshot_proc_macro-f40d38f5f6ecd34f
[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 snapshot-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] running `"docker" "inspect" "ed6bbbdf782256ef9f738683a47c546204e0fa56bb2db0449e51259e2eb0da2e"`
[INFO] running `"docker" "rm" "-f" "ed6bbbdf782256ef9f738683a47c546204e0fa56bb2db0449e51259e2eb0da2e"`
[INFO] [stdout] ed6bbbdf782256ef9f738683a47c546204e0fa56bb2db0449e51259e2eb0da2e