[INFO] updating cached repository Carreau/dessert
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Carreau/dessert
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Carreau/dessert" "work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Carreau/dessert" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Carreau/dessert"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Carreau/dessert'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea2ec78aeddeb275dfd822ccab9808b554414df5
[INFO] sha for GitHub repo Carreau/dessert: ea2ec78aeddeb275dfd822ccab9808b554414df5
[INFO] validating manifest of Carreau/dessert 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 Carreau/dessert 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 Carreau/dessert
[INFO] removed path dependency dessert-derive from Carreau/dessert
[INFO] finished frobbing Carreau/dessert
[INFO] frobbed toml for Carreau/dessert written to work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert/Cargo.toml
[INFO] started frobbing Carreau/dessert
[INFO] removed path dependency dessert-derive from Carreau/dessert
[INFO] finished frobbing Carreau/dessert
[INFO] frobbed toml for Carreau/dessert written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Carreau/dessert/Cargo.toml
[INFO] crate Carreau/dessert already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 Carreau/dessert 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert:/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] 28bbad3c99882d8d9505d8d31c2f13dc9f1cfa41b518d76231543beaa5173be8
[INFO] running `"docker" "start" "-a" "28bbad3c99882d8d9505d8d31c2f13dc9f1cfa41b518d76231543beaa5173be8"`
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling dessert-derive v0.1.2
[INFO] [stderr]    Compiling dessert v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.22s
[INFO] running `"docker" "inspect" "28bbad3c99882d8d9505d8d31c2f13dc9f1cfa41b518d76231543beaa5173be8"`
[INFO] running `"docker" "rm" "-f" "28bbad3c99882d8d9505d8d31c2f13dc9f1cfa41b518d76231543beaa5173be8"`
[INFO] [stdout] 28bbad3c99882d8d9505d8d31c2f13dc9f1cfa41b518d76231543beaa5173be8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert:/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] 9e448822ffcf3b0e6ca7aca0d6277d7e8688c5872adf77a59c88df4a40faccd0
[INFO] running `"docker" "start" "-a" "9e448822ffcf3b0e6ca7aca0d6277d7e8688c5872adf77a59c88df4a40faccd0"`
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling dessert v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `"docker" "inspect" "9e448822ffcf3b0e6ca7aca0d6277d7e8688c5872adf77a59c88df4a40faccd0"`
[INFO] running `"docker" "rm" "-f" "9e448822ffcf3b0e6ca7aca0d6277d7e8688c5872adf77a59c88df4a40faccd0"`
[INFO] [stdout] 9e448822ffcf3b0e6ca7aca0d6277d7e8688c5872adf77a59c88df4a40faccd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Carreau/dessert:/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] 147d5d11d553bdbfb6e8bbcb5d2f46289e8e19761e896a243e9060b588bb7dde
[INFO] running `"docker" "start" "-a" "147d5d11d553bdbfb6e8bbcb5d2f46289e8e19761e896a243e9060b588bb7dde"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dessert-c8f9e1abc7821bea
[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 dessert
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 11) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 48) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "147d5d11d553bdbfb6e8bbcb5d2f46289e8e19761e896a243e9060b588bb7dde"`
[INFO] running `"docker" "rm" "-f" "147d5d11d553bdbfb6e8bbcb5d2f46289e8e19761e896a243e9060b588bb7dde"`
[INFO] [stdout] 147d5d11d553bdbfb6e8bbcb5d2f46289e8e19761e896a243e9060b588bb7dde