[INFO] updating cached repository toddWannaCode/io-project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/toddWannaCode/io-project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/toddWannaCode/io-project" "work/ex/beta-1.37-6/sources/1.36.0/gh/toddWannaCode/io-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/toddWannaCode/io-project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/toddWannaCode/io-project" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/toddWannaCode/io-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/toddWannaCode/io-project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fcb0dc38864ccfad578d2e259bddb8fe5758186
[INFO] sha for GitHub repo toddWannaCode/io-project: 2fcb0dc38864ccfad578d2e259bddb8fe5758186
[INFO] validating manifest of toddWannaCode/io-project 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 toddWannaCode/io-project 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 toddWannaCode/io-project
[INFO] finished frobbing toddWannaCode/io-project
[INFO] frobbed toml for toddWannaCode/io-project written to work/ex/beta-1.37-6/sources/1.36.0/gh/toddWannaCode/io-project/Cargo.toml
[INFO] started frobbing toddWannaCode/io-project
[INFO] finished frobbing toddWannaCode/io-project
[INFO] frobbed toml for toddWannaCode/io-project written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/toddWannaCode/io-project/Cargo.toml
[INFO] crate toddWannaCode/io-project 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 toddWannaCode/io-project 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-4/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/toddWannaCode/io-project:/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] 528616092d087ea9f9307ee1ea586ba9b8e188e39ac7da3cc8819b2f0abc61cf
[INFO] running `"docker" "start" "-a" "528616092d087ea9f9307ee1ea586ba9b8e188e39ac7da3cc8819b2f0abc61cf"`
[INFO] [stderr]    Compiling io_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn run<T>(config: Config<T>) -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "528616092d087ea9f9307ee1ea586ba9b8e188e39ac7da3cc8819b2f0abc61cf"`
[INFO] running `"docker" "rm" "-f" "528616092d087ea9f9307ee1ea586ba9b8e188e39ac7da3cc8819b2f0abc61cf"`
[INFO] [stdout] 528616092d087ea9f9307ee1ea586ba9b8e188e39ac7da3cc8819b2f0abc61cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/toddWannaCode/io-project:/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] 6bd471983fdcc20a24dd4c45d10df71d011c2b01e9f70bff6c238fd2f12b78c4
[INFO] running `"docker" "start" "-a" "6bd471983fdcc20a24dd4c45d10df71d011c2b01e9f70bff6c238fd2f12b78c4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn run<T>(config: Config<T>) -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "6bd471983fdcc20a24dd4c45d10df71d011c2b01e9f70bff6c238fd2f12b78c4"`
[INFO] running `"docker" "rm" "-f" "6bd471983fdcc20a24dd4c45d10df71d011c2b01e9f70bff6c238fd2f12b78c4"`
[INFO] [stdout] 6bd471983fdcc20a24dd4c45d10df71d011c2b01e9f70bff6c238fd2f12b78c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/toddWannaCode/io-project:/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] 211ca4e41279b4820994ff42fccc164316b197994ddf81abe5c80273520166a7
[INFO] running `"docker" "start" "-a" "211ca4e41279b4820994ff42fccc164316b197994ddf81abe5c80273520166a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/io_project-bd014d8ce5f0a1c1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::one_result ... ok
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] test test::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/io_project-dac783508da1d286
[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 io_project
[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" "211ca4e41279b4820994ff42fccc164316b197994ddf81abe5c80273520166a7"`
[INFO] running `"docker" "rm" "-f" "211ca4e41279b4820994ff42fccc164316b197994ddf81abe5c80273520166a7"`
[INFO] [stdout] 211ca4e41279b4820994ff42fccc164316b197994ddf81abe5c80273520166a7