[INFO] crate wearte 0.0.2 is already in cache
[INFO] extracting crate wearte 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/wearte/0.0.2
[INFO] extracting crate wearte 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wearte/0.0.2
[INFO] validating manifest of wearte-0.0.2 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 wearte-0.0.2 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 wearte-0.0.2
[INFO] finished frobbing wearte-0.0.2
[INFO] frobbed toml for wearte-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/wearte/0.0.2/Cargo.toml
[INFO] started frobbing wearte-0.0.2
[INFO] finished frobbing wearte-0.0.2
[INFO] frobbed toml for wearte-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wearte/0.0.2/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wearte-0.0.2 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-3/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/wearte/0.0.2:/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] b0e353d1567eaaa0e945b50eecc2fec545a2665ca263f9693b1633ab8b71cf4a
[INFO] running `"docker" "start" "-a" "b0e353d1567eaaa0e945b50eecc2fec545a2665ca263f9693b1633ab8b71cf4a"`
[INFO] [stderr]    Compiling wearte_helpers v0.0.2
[INFO] [stderr]    Compiling wearte_config v0.0.2
[INFO] [stderr]    Compiling wearte_derive v0.0.2
[INFO] [stderr]    Compiling wearte v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[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:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `"docker" "inspect" "b0e353d1567eaaa0e945b50eecc2fec545a2665ca263f9693b1633ab8b71cf4a"`
[INFO] running `"docker" "rm" "-f" "b0e353d1567eaaa0e945b50eecc2fec545a2665ca263f9693b1633ab8b71cf4a"`
[INFO] [stdout] b0e353d1567eaaa0e945b50eecc2fec545a2665ca263f9693b1633ab8b71cf4a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/wearte/0.0.2:/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] ce13ca6d5c6f44fe62d8ffa146d816cb6259b457a0f693d255db74dd629fe459
[INFO] running `"docker" "start" "-a" "ce13ca6d5c6f44fe62d8ffa146d816cb6259b457a0f693d255db74dd629fe459"`
[INFO] [stderr]    Compiling wearte v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn call_into_fmt(&self, writer: &mut fmt::Write) -> fmt::Result {
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[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:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn call_into_io(&self, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "ce13ca6d5c6f44fe62d8ffa146d816cb6259b457a0f693d255db74dd629fe459"`
[INFO] running `"docker" "rm" "-f" "ce13ca6d5c6f44fe62d8ffa146d816cb6259b457a0f693d255db74dd629fe459"`
[INFO] [stdout] ce13ca6d5c6f44fe62d8ffa146d816cb6259b457a0f693d255db74dd629fe459
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/wearte/0.0.2:/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] de85e3d1a89c4e7726314d393b6472bbc78099161c474e9504659342de9d374b
[INFO] running `"docker" "start" "-a" "de85e3d1a89c4e7726314d393b6472bbc78099161c474e9504659342de9d374b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wearte-f34550ed4e53edfe
[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 wearte
[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" "de85e3d1a89c4e7726314d393b6472bbc78099161c474e9504659342de9d374b"`
[INFO] running `"docker" "rm" "-f" "de85e3d1a89c4e7726314d393b6472bbc78099161c474e9504659342de9d374b"`
[INFO] [stdout] de85e3d1a89c4e7726314d393b6472bbc78099161c474e9504659342de9d374b