[INFO] updating cached repository scottlamb/mylog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottlamb/mylog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottlamb/mylog" "work/ex/beta-1.37-6/sources/1.36.0/gh/scottlamb/mylog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scottlamb/mylog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottlamb/mylog" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottlamb/mylog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottlamb/mylog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 669e63f4d1debc0c1648a2399b14a4ac73c3a86b
[INFO] sha for GitHub repo scottlamb/mylog: 669e63f4d1debc0c1648a2399b14a4ac73c3a86b
[INFO] validating manifest of scottlamb/mylog 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 scottlamb/mylog 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 scottlamb/mylog
[INFO] finished frobbing scottlamb/mylog
[INFO] frobbed toml for scottlamb/mylog written to work/ex/beta-1.37-6/sources/1.36.0/gh/scottlamb/mylog/Cargo.toml
[INFO] started frobbing scottlamb/mylog
[INFO] finished frobbing scottlamb/mylog
[INFO] frobbed toml for scottlamb/mylog written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottlamb/mylog/Cargo.toml
[INFO] crate scottlamb/mylog 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 scottlamb/mylog 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-6/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/scottlamb/mylog:/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] 21112f7f9395fbe21e942bf88b782dc0b42890f1fe67eb2180649c944a033836
[INFO] running `"docker" "start" "-a" "21112f7f9395fbe21e942bf88b782dc0b42890f1fe67eb2180649c944a033836"`
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling mylog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:51
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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/lib.rs:176:70
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `"docker" "inspect" "21112f7f9395fbe21e942bf88b782dc0b42890f1fe67eb2180649c944a033836"`
[INFO] running `"docker" "rm" "-f" "21112f7f9395fbe21e942bf88b782dc0b42890f1fe67eb2180649c944a033836"`
[INFO] [stdout] 21112f7f9395fbe21e942bf88b782dc0b42890f1fe67eb2180649c944a033836
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/scottlamb/mylog:/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] b24309364d24347a7d0ac9d374ead2db6a0eecaaa210b1c5442168bcc7815752
[INFO] running `"docker" "start" "-a" "b24309364d24347a7d0ac9d374ead2db6a0eecaaa210b1c5442168bcc7815752"`
[INFO] [stderr]    Compiling mylog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:176:51
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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/lib.rs:176:70
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let l = unsafe { ::std::mem::transmute::<&log::Log, &'static log::Log>(&*logger) };
[INFO] [stderr]     |                                                                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "b24309364d24347a7d0ac9d374ead2db6a0eecaaa210b1c5442168bcc7815752"`
[INFO] running `"docker" "rm" "-f" "b24309364d24347a7d0ac9d374ead2db6a0eecaaa210b1c5442168bcc7815752"`
[INFO] [stdout] b24309364d24347a7d0ac9d374ead2db6a0eecaaa210b1c5442168bcc7815752
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/scottlamb/mylog:/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] 95ab07c5df09f008ed05740202ca1026928d98a7ef81c3510fe85221efc32a8e
[INFO] running `"docker" "start" "-a" "95ab07c5df09f008ed05740202ca1026928d98a7ef81c3510fe85221efc32a8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mylog-380e8abe25ad19f4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test spec::tests::default ... ok
[INFO] [stdout] test spec::tests::blah ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mylog
[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" "95ab07c5df09f008ed05740202ca1026928d98a7ef81c3510fe85221efc32a8e"`
[INFO] running `"docker" "rm" "-f" "95ab07c5df09f008ed05740202ca1026928d98a7ef81c3510fe85221efc32a8e"`
[INFO] [stdout] 95ab07c5df09f008ed05740202ca1026928d98a7ef81c3510fe85221efc32a8e