[INFO] updating cached repository nicmr/jargo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nicmr/jargo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nicmr/jargo" "work/ex/beta-1.37-6/sources/1.36.0/gh/nicmr/jargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nicmr/jargo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicmr/jargo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 440d2db8653d28f2f33aef691ab012601f7d513e
[INFO] sha for GitHub repo nicmr/jargo: 440d2db8653d28f2f33aef691ab012601f7d513e
[INFO] validating manifest of nicmr/jargo 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 nicmr/jargo 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 nicmr/jargo
[INFO] finished frobbing nicmr/jargo
[INFO] frobbed toml for nicmr/jargo written to work/ex/beta-1.37-6/sources/1.36.0/gh/nicmr/jargo/Cargo.toml
[INFO] started frobbing nicmr/jargo
[INFO] finished frobbing nicmr/jargo
[INFO] frobbed toml for nicmr/jargo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo/Cargo.toml
[INFO] crate nicmr/jargo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nicmr/jargo 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-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo:/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] 336694d381b1d7c2481e4c09e9e8ecb7ca10c70d0569f90e33a0f86af47e137e
[INFO] running `"docker" "start" "-a" "336694d381b1d7c2481e4c09e9e8ecb7ca10c70d0569f90e33a0f86af47e137e"`
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling jargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         project.run();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.50s
[INFO] running `"docker" "inspect" "336694d381b1d7c2481e4c09e9e8ecb7ca10c70d0569f90e33a0f86af47e137e"`
[INFO] running `"docker" "rm" "-f" "336694d381b1d7c2481e4c09e9e8ecb7ca10c70d0569f90e33a0f86af47e137e"`
[INFO] [stdout] 336694d381b1d7c2481e4c09e9e8ecb7ca10c70d0569f90e33a0f86af47e137e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo:/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] d4cb4b4e50c0f1a3efe3be1349ed3d81b0719929a2567b7f53d55fbee8014d7c
[INFO] running `"docker" "start" "-a" "d4cb4b4e50c0f1a3efe3be1349ed3d81b0719929a2567b7f53d55fbee8014d7c"`
[INFO] [stderr]    Compiling jargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         project.run();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "d4cb4b4e50c0f1a3efe3be1349ed3d81b0719929a2567b7f53d55fbee8014d7c"`
[INFO] running `"docker" "rm" "-f" "d4cb4b4e50c0f1a3efe3be1349ed3d81b0719929a2567b7f53d55fbee8014d7c"`
[INFO] [stdout] d4cb4b4e50c0f1a3efe3be1349ed3d81b0719929a2567b7f53d55fbee8014d7c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicmr/jargo:/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] 45963c02399dcf0d2ede550106d8d186d6a5d39cd2bafe1c25f8318e54905fc4
[INFO] running `"docker" "start" "-a" "45963c02399dcf0d2ede550106d8d186d6a5d39cd2bafe1c25f8318e54905fc4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jargo-9a5dcdce4a541307
[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" "45963c02399dcf0d2ede550106d8d186d6a5d39cd2bafe1c25f8318e54905fc4"`
[INFO] running `"docker" "rm" "-f" "45963c02399dcf0d2ede550106d8d186d6a5d39cd2bafe1c25f8318e54905fc4"`
[INFO] [stdout] 45963c02399dcf0d2ede550106d8d186d6a5d39cd2bafe1c25f8318e54905fc4