[INFO] crate wort 0.1.0 is already in cache
[INFO] extracting crate wort 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/wort/0.1.0
[INFO] extracting crate wort 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wort/0.1.0
[INFO] validating manifest of wort-0.1.0 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 wort-0.1.0 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 wort-0.1.0
[INFO] finished frobbing wort-0.1.0
[INFO] frobbed toml for wort-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/wort/0.1.0/Cargo.toml
[INFO] started frobbing wort-0.1.0
[INFO] finished frobbing wort-0.1.0
[INFO] frobbed toml for wort-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wort/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing wort-0.1.0 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-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wort/0.1.0:/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] 3360d27e388bc96358392c9d89266aaf16b4df3f2aff6d58406df79a87c5662e
[INFO] running `"docker" "start" "-a" "3360d27e388bc96358392c9d89266aaf16b4df3f2aff6d58406df79a87c5662e"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling wort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:57
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn viewer(db: &str, dataset_id: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         viewer(
[INFO] [stderr] 22 | |             cmd.value_of("database").unwrap(),
[INFO] [stderr] 23 | |             cmd.value_of("dataset_id").unwrap(),
[INFO] [stderr] 24 | |         );
[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 25.49s
[INFO] running `"docker" "inspect" "3360d27e388bc96358392c9d89266aaf16b4df3f2aff6d58406df79a87c5662e"`
[INFO] running `"docker" "rm" "-f" "3360d27e388bc96358392c9d89266aaf16b4df3f2aff6d58406df79a87c5662e"`
[INFO] [stdout] 3360d27e388bc96358392c9d89266aaf16b4df3f2aff6d58406df79a87c5662e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wort/0.1.0:/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] ca2c63d478bdb00570f58affdcc11631c4602ca1431377a05056af43aa866966
[INFO] running `"docker" "start" "-a" "ca2c63d478bdb00570f58affdcc11631c4602ca1431377a05056af43aa866966"`
[INFO] [stderr]    Compiling wort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:57
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn viewer(db: &str, dataset_id: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         viewer(
[INFO] [stderr] 22 | |             cmd.value_of("database").unwrap(),
[INFO] [stderr] 23 | |             cmd.value_of("dataset_id").unwrap(),
[INFO] [stderr] 24 | |         );
[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 1.83s
[INFO] running `"docker" "inspect" "ca2c63d478bdb00570f58affdcc11631c4602ca1431377a05056af43aa866966"`
[INFO] running `"docker" "rm" "-f" "ca2c63d478bdb00570f58affdcc11631c4602ca1431377a05056af43aa866966"`
[INFO] [stdout] ca2c63d478bdb00570f58affdcc11631c4602ca1431377a05056af43aa866966
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wort/0.1.0:/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] dccdb1df10675bf6b38e9d46921a500b774fda4312318e0843de567937cd1ca1
[INFO] running `"docker" "start" "-a" "dccdb1df10675bf6b38e9d46921a500b774fda4312318e0843de567937cd1ca1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wort-98ffb228f5fc7df3
[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" "dccdb1df10675bf6b38e9d46921a500b774fda4312318e0843de567937cd1ca1"`
[INFO] running `"docker" "rm" "-f" "dccdb1df10675bf6b38e9d46921a500b774fda4312318e0843de567937cd1ca1"`
[INFO] [stdout] dccdb1df10675bf6b38e9d46921a500b774fda4312318e0843de567937cd1ca1