[INFO] updating cached repository rekka/docopt_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rekka/docopt_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rekka/docopt_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/rekka/docopt_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rekka/docopt_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rekka/docopt_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rekka/docopt_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rekka/docopt_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbff8a299d83027ea65461348bb732d08229a3de
[INFO] sha for GitHub repo rekka/docopt_test: dbff8a299d83027ea65461348bb732d08229a3de
[INFO] validating manifest of rekka/docopt_test 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 rekka/docopt_test 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 rekka/docopt_test
[INFO] finished frobbing rekka/docopt_test
[INFO] frobbed toml for rekka/docopt_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/rekka/docopt_test/Cargo.toml
[INFO] started frobbing rekka/docopt_test
[INFO] finished frobbing rekka/docopt_test
[INFO] frobbed toml for rekka/docopt_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rekka/docopt_test/Cargo.toml
[INFO] crate rekka/docopt_test 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rekka/docopt_test/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rekka/docopt_test 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/gh/rekka/docopt_test:/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] c51b08e42aaa983bc2b3af3cfd3133e5e74859eb1cc55bee5eb88e04763a1bed
[INFO] running `"docker" "start" "-a" "c51b08e42aaa983bc2b3af3cfd3133e5e74859eb1cc55bee5eb88e04763a1bed"`
[INFO] [stderr]    Compiling docopt_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "c51b08e42aaa983bc2b3af3cfd3133e5e74859eb1cc55bee5eb88e04763a1bed"`
[INFO] running `"docker" "rm" "-f" "c51b08e42aaa983bc2b3af3cfd3133e5e74859eb1cc55bee5eb88e04763a1bed"`
[INFO] [stdout] c51b08e42aaa983bc2b3af3cfd3133e5e74859eb1cc55bee5eb88e04763a1bed
[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/gh/rekka/docopt_test:/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] 6fa1f0deaedec661c527a28254149238d34038403c2bec493a897f694d67d570
[INFO] running `"docker" "start" "-a" "6fa1f0deaedec661c527a28254149238d34038403c2bec493a897f694d67d570"`
[INFO] [stderr]    Compiling docopt_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "6fa1f0deaedec661c527a28254149238d34038403c2bec493a897f694d67d570"`
[INFO] running `"docker" "rm" "-f" "6fa1f0deaedec661c527a28254149238d34038403c2bec493a897f694d67d570"`
[INFO] [stdout] 6fa1f0deaedec661c527a28254149238d34038403c2bec493a897f694d67d570
[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/gh/rekka/docopt_test:/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] 071ffbac1c1ec75fade0f21837196c5c376d40fc6bb96257047366a19ea5be21
[INFO] running `"docker" "start" "-a" "071ffbac1c1ec75fade0f21837196c5c376d40fc6bb96257047366a19ea5be21"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/docopt_test-81bbb8aeda69f009
[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]      Running /opt/crater/target/debug/deps/docopt_test-b70072fa5360dc52
[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 docopt_test
[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" "071ffbac1c1ec75fade0f21837196c5c376d40fc6bb96257047366a19ea5be21"`
[INFO] running `"docker" "rm" "-f" "071ffbac1c1ec75fade0f21837196c5c376d40fc6bb96257047366a19ea5be21"`
[INFO] [stdout] 071ffbac1c1ec75fade0f21837196c5c376d40fc6bb96257047366a19ea5be21