[INFO] updating cached repository sagebind/retest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sagebind/retest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sagebind/retest" "work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sagebind/retest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sagebind/retest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sagebind/retest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc2781ffcf2b9944a9b796a4d833a3eb6427c710
[INFO] sha for GitHub repo sagebind/retest: bc2781ffcf2b9944a9b796a4d833a3eb6427c710
[INFO] validating manifest of sagebind/retest 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 sagebind/retest 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 sagebind/retest
[INFO] finished frobbing sagebind/retest
[INFO] frobbed toml for sagebind/retest written to work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest/Cargo.toml
[INFO] started frobbing sagebind/retest
[INFO] finished frobbing sagebind/retest
[INFO] frobbed toml for sagebind/retest written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sagebind/retest/Cargo.toml
[INFO] crate sagebind/retest 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 sagebind/retest 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest:/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] 6660bd948588e0ae3306a99e4c19ee82fea06f354b5178fd9d3429a221a15b45
[INFO] running `"docker" "start" "-a" "6660bd948588e0ae3306a99e4c19ee82fea06f354b5178fd9d3429a221a15b45"`
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling retest v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/retest.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `"docker" "inspect" "6660bd948588e0ae3306a99e4c19ee82fea06f354b5178fd9d3429a221a15b45"`
[INFO] running `"docker" "rm" "-f" "6660bd948588e0ae3306a99e4c19ee82fea06f354b5178fd9d3429a221a15b45"`
[INFO] [stdout] 6660bd948588e0ae3306a99e4c19ee82fea06f354b5178fd9d3429a221a15b45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest:/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] 549333a50f92b8e849dbfeeff4a7b17c1e7cd555a8023b143ba8ee477c390cb1
[INFO] running `"docker" "start" "-a" "549333a50f92b8e849dbfeeff4a7b17c1e7cd555a8023b143ba8ee477c390cb1"`
[INFO] [stderr]    Compiling retest v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/retest.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "549333a50f92b8e849dbfeeff4a7b17c1e7cd555a8023b143ba8ee477c390cb1"`
[INFO] running `"docker" "rm" "-f" "549333a50f92b8e849dbfeeff4a7b17c1e7cd555a8023b143ba8ee477c390cb1"`
[INFO] [stdout] 549333a50f92b8e849dbfeeff4a7b17c1e7cd555a8023b143ba8ee477c390cb1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sagebind/retest:/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] e3d15ed0eea283edb68b000b94506454f26db0dbacefc18c900b5d59072588b1
[INFO] running `"docker" "start" "-a" "e3d15ed0eea283edb68b000b94506454f26db0dbacefc18c900b5d59072588b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/retest-c238767c756ba1e9
[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" "e3d15ed0eea283edb68b000b94506454f26db0dbacefc18c900b5d59072588b1"`
[INFO] running `"docker" "rm" "-f" "e3d15ed0eea283edb68b000b94506454f26db0dbacefc18c900b5d59072588b1"`
[INFO] [stdout] e3d15ed0eea283edb68b000b94506454f26db0dbacefc18c900b5d59072588b1