[INFO] crate digest-writer 0.3.1 is already in cache
[INFO] extracting crate digest-writer 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/digest-writer/0.3.1
[INFO] extracting crate digest-writer 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/digest-writer/0.3.1
[INFO] validating manifest of digest-writer-0.3.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of digest-writer-0.3.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing digest-writer-0.3.1
[INFO] finished frobbing digest-writer-0.3.1
[INFO] frobbed toml for digest-writer-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/digest-writer/0.3.1/Cargo.toml
[INFO] started frobbing digest-writer-0.3.1
[INFO] finished frobbing digest-writer-0.3.1
[INFO] frobbed toml for digest-writer-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/digest-writer/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing digest-writer-0.3.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/digest-writer/0.3.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6ae85523624a3beb8e79b9214fa6e0bca9b15ea9d3aa3d77df4ba39cc0f84677
[INFO] running `"docker" "start" "-a" "6ae85523624a3beb8e79b9214fa6e0bca9b15ea9d3aa3d77df4ba39cc0f84677"`
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "6ae85523624a3beb8e79b9214fa6e0bca9b15ea9d3aa3d77df4ba39cc0f84677"`
[INFO] running `"docker" "rm" "-f" "6ae85523624a3beb8e79b9214fa6e0bca9b15ea9d3aa3d77df4ba39cc0f84677"`
[INFO] [stdout] 6ae85523624a3beb8e79b9214fa6e0bca9b15ea9d3aa3d77df4ba39cc0f84677
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/digest-writer/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 243d3f20fd37d938d557c4404cf653ebbab45b6e1421e8ba4ea108d9c5c1a1bd
[INFO] running `"docker" "start" "-a" "243d3f20fd37d938d557c4404cf653ebbab45b6e1421e8ba4ea108d9c5c1a1bd"`
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "243d3f20fd37d938d557c4404cf653ebbab45b6e1421e8ba4ea108d9c5c1a1bd"`
[INFO] running `"docker" "rm" "-f" "243d3f20fd37d938d557c4404cf653ebbab45b6e1421e8ba4ea108d9c5c1a1bd"`
[INFO] [stdout] 243d3f20fd37d938d557c4404cf653ebbab45b6e1421e8ba4ea108d9c5c1a1bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/digest-writer/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 94ae71e2bff16af908c9483dc4e4cf71ee8e94cf749c538433cf06a0752f34a7
[INFO] running `"docker" "start" "-a" "94ae71e2bff16af908c9483dc4e4cf71ee8e94cf749c538433cf06a0752f34a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/digest_writer-3b21c317d2177e94
[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 digest-writer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Writer (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "94ae71e2bff16af908c9483dc4e4cf71ee8e94cf749c538433cf06a0752f34a7"`
[INFO] running `"docker" "rm" "-f" "94ae71e2bff16af908c9483dc4e4cf71ee8e94cf749c538433cf06a0752f34a7"`
[INFO] [stdout] 94ae71e2bff16af908c9483dc4e4cf71ee8e94cf749c538433cf06a0752f34a7