[INFO] updating cached repository yoshuawuyts/repro-or-else
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yoshuawuyts/repro-or-else
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/repro-or-else" "work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/repro-or-else" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/repro-or-else"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/repro-or-else'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c06b2fde1d36cb16093a356beaeb9ec86cc21e85
[INFO] sha for GitHub repo yoshuawuyts/repro-or-else: c06b2fde1d36cb16093a356beaeb9ec86cc21e85
[INFO] validating manifest of yoshuawuyts/repro-or-else 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 yoshuawuyts/repro-or-else 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 yoshuawuyts/repro-or-else
[INFO] finished frobbing yoshuawuyts/repro-or-else
[INFO] frobbed toml for yoshuawuyts/repro-or-else written to work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else/Cargo.toml
[INFO] started frobbing yoshuawuyts/repro-or-else
[INFO] finished frobbing yoshuawuyts/repro-or-else
[INFO] frobbed toml for yoshuawuyts/repro-or-else written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/repro-or-else/Cargo.toml
[INFO] crate yoshuawuyts/repro-or-else 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yoshuawuyts/repro-or-else 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else:/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] dedb07d9321c64713f0cbbe4d0ab358fb97d7f4470686dea78f33678d37b3480
[INFO] running `"docker" "start" "-a" "dedb07d9321c64713f0cbbe4d0ab358fb97d7f4470686dea78f33678d37b3480"`
[INFO] [stderr]    Compiling repro-or-else v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stderr]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "dedb07d9321c64713f0cbbe4d0ab358fb97d7f4470686dea78f33678d37b3480"`
[INFO] running `"docker" "rm" "-f" "dedb07d9321c64713f0cbbe4d0ab358fb97d7f4470686dea78f33678d37b3480"`
[INFO] [stdout] dedb07d9321c64713f0cbbe4d0ab358fb97d7f4470686dea78f33678d37b3480
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else:/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] b4aaeda06cd286e7ae4399231e1b39d25aa5a185adb63691a9104ca829f9f0c4
[INFO] running `"docker" "start" "-a" "b4aaeda06cd286e7ae4399231e1b39d25aa5a185adb63691a9104ca829f9f0c4"`
[INFO] [stderr]    Compiling repro-or-else v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get1().ok_or_else(|| db_get());
[INFO] [stderr]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let res: Result<usize, Result<usize, Box<Error>>> = cache_get2().ok_or_else(|| db_get());
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn db_get() -> Result<usize, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "b4aaeda06cd286e7ae4399231e1b39d25aa5a185adb63691a9104ca829f9f0c4"`
[INFO] running `"docker" "rm" "-f" "b4aaeda06cd286e7ae4399231e1b39d25aa5a185adb63691a9104ca829f9f0c4"`
[INFO] [stdout] b4aaeda06cd286e7ae4399231e1b39d25aa5a185adb63691a9104ca829f9f0c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/repro-or-else:/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] 5b15da80e66fd6c55b3bd84332237a110b19d554032880ea2315f424a6e7a937
[INFO] running `"docker" "start" "-a" "5b15da80e66fd6c55b3bd84332237a110b19d554032880ea2315f424a6e7a937"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/repro_or_else-17a64f7daed570f1
[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" "5b15da80e66fd6c55b3bd84332237a110b19d554032880ea2315f424a6e7a937"`
[INFO] running `"docker" "rm" "-f" "5b15da80e66fd6c55b3bd84332237a110b19d554032880ea2315f424a6e7a937"`
[INFO] [stdout] 5b15da80e66fd6c55b3bd84332237a110b19d554032880ea2315f424a6e7a937