[INFO] updating cached repository FaultyRAM/ng-stats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FaultyRAM/ng-stats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FaultyRAM/ng-stats" "work/ex/beta-1.38-1/sources/1.37.0/gh/FaultyRAM/ng-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FaultyRAM/ng-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FaultyRAM/ng-stats" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FaultyRAM/ng-stats"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FaultyRAM/ng-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8759deffcd56e130b605f31de4c5e4f0a56fe74a
[INFO] sha for GitHub repo FaultyRAM/ng-stats: 8759deffcd56e130b605f31de4c5e4f0a56fe74a
[INFO] validating manifest of FaultyRAM/ng-stats 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 FaultyRAM/ng-stats 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 FaultyRAM/ng-stats
[INFO] finished frobbing FaultyRAM/ng-stats
[INFO] frobbed toml for FaultyRAM/ng-stats written to work/ex/beta-1.38-1/sources/1.37.0/gh/FaultyRAM/ng-stats/Cargo.toml
[INFO] started frobbing FaultyRAM/ng-stats
[INFO] finished frobbing FaultyRAM/ng-stats
[INFO] frobbed toml for FaultyRAM/ng-stats written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FaultyRAM/ng-stats/Cargo.toml
[INFO] crate FaultyRAM/ng-stats 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/FaultyRAM/ng-stats/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[INFO] the lockfile is outdated, regenerating it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 FaultyRAM/ng-stats 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FaultyRAM/ng-stats:/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] 6e6c666c82e7d1d987e2d2785bda4e92dbb71983077a2d97f97f05d4d1dcb902
[INFO] running `"docker" "start" "-a" "6e6c666c82e7d1d987e2d2785bda4e92dbb71983077a2d97f97f05d4d1dcb902"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling ng-stats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `decode` found for type `docopt::Docopt` in the current scope
[INFO] [stderr]   --> src/main.rs:62:62
[INFO] [stderr]    |
[INFO] [stderr] 62 |         d.help(true).version(Some(String::from("ng-stats 0.1.0"))).decode()
[INFO] [stderr]    |                                                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `ng-stats`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6e6c666c82e7d1d987e2d2785bda4e92dbb71983077a2d97f97f05d4d1dcb902"`
[INFO] running `"docker" "rm" "-f" "6e6c666c82e7d1d987e2d2785bda4e92dbb71983077a2d97f97f05d4d1dcb902"`
[INFO] [stdout] 6e6c666c82e7d1d987e2d2785bda4e92dbb71983077a2d97f97f05d4d1dcb902