[INFO] crate digest-writer 0.3.1 is already in cache
[INFO] extracting crate digest-writer 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/digest-writer/0.3.1
[INFO] extracting crate digest-writer 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/digest-writer/0.3.1
[INFO] validating manifest of digest-writer-0.3.1 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 digest-writer-0.3.1 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/digest-writer/0.3.1/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 digest-writer-0.3.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bb7c04ad091cebb74950809274a92610bd04aa8cb18d78e7bd3e347344cecd1a
[INFO] running `"docker" "start" "-a" "bb7c04ad091cebb74950809274a92610bd04aa8cb18d78e7bd3e347344cecd1a"`
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "bb7c04ad091cebb74950809274a92610bd04aa8cb18d78e7bd3e347344cecd1a"`
[INFO] running `"docker" "rm" "-f" "bb7c04ad091cebb74950809274a92610bd04aa8cb18d78e7bd3e347344cecd1a"`
[INFO] [stdout] bb7c04ad091cebb74950809274a92610bd04aa8cb18d78e7bd3e347344cecd1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 26935ccd5161b410a99f8bbfe7b1c7ced74ae666bdc87b2d1c2e570659f04903
[INFO] running `"docker" "start" "-a" "26935ccd5161b410a99f8bbfe7b1c7ced74ae666bdc87b2d1c2e570659f04903"`
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "26935ccd5161b410a99f8bbfe7b1c7ced74ae666bdc87b2d1c2e570659f04903"`
[INFO] running `"docker" "rm" "-f" "26935ccd5161b410a99f8bbfe7b1c7ced74ae666bdc87b2d1c2e570659f04903"`
[INFO] [stdout] 26935ccd5161b410a99f8bbfe7b1c7ced74ae666bdc87b2d1c2e570659f04903
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3a36f78c25a57213b586b57f937d44697c6d8f14278d537d074374b238c3cebf
[INFO] running `"docker" "start" "-a" "3a36f78c25a57213b586b57f937d44697c6d8f14278d537d074374b238c3cebf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/digest_writer-9f41edd004f0d72e
[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" "3a36f78c25a57213b586b57f937d44697c6d8f14278d537d074374b238c3cebf"`
[INFO] running `"docker" "rm" "-f" "3a36f78c25a57213b586b57f937d44697c6d8f14278d537d074374b238c3cebf"`
[INFO] [stdout] 3a36f78c25a57213b586b57f937d44697c6d8f14278d537d074374b238c3cebf