[INFO] updating cached repository ShotaroTsuji/broto
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ShotaroTsuji/broto
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ShotaroTsuji/broto" "work/ex/beta-1.37-6/sources/1.36.0/gh/ShotaroTsuji/broto"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ShotaroTsuji/broto'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShotaroTsuji/broto" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShotaroTsuji/broto"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShotaroTsuji/broto'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef29310b4d6171e63943ec856f6b6dd2114623cb
[INFO] sha for GitHub repo ShotaroTsuji/broto: ef29310b4d6171e63943ec856f6b6dd2114623cb
[INFO] validating manifest of ShotaroTsuji/broto 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 ShotaroTsuji/broto 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 ShotaroTsuji/broto
[INFO] finished frobbing ShotaroTsuji/broto
[INFO] frobbed toml for ShotaroTsuji/broto written to work/ex/beta-1.37-6/sources/1.36.0/gh/ShotaroTsuji/broto/Cargo.toml
[INFO] started frobbing ShotaroTsuji/broto
[INFO] finished frobbing ShotaroTsuji/broto
[INFO] frobbed toml for ShotaroTsuji/broto written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShotaroTsuji/broto/Cargo.toml
[INFO] crate ShotaroTsuji/broto 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ShotaroTsuji/broto 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/ShotaroTsuji/broto:/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] 03569d09e8a5bff46b7d10459d4c058b25d2eb7e56ab1527b4f557d0876063f4
[INFO] running `"docker" "start" "-a" "03569d09e8a5bff46b7d10459d4c058b25d2eb7e56ab1527b4f557d0876063f4"`
[INFO] [stderr]    Compiling broto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     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 0.96s
[INFO] running `"docker" "inspect" "03569d09e8a5bff46b7d10459d4c058b25d2eb7e56ab1527b4f557d0876063f4"`
[INFO] running `"docker" "rm" "-f" "03569d09e8a5bff46b7d10459d4c058b25d2eb7e56ab1527b4f557d0876063f4"`
[INFO] [stdout] 03569d09e8a5bff46b7d10459d4c058b25d2eb7e56ab1527b4f557d0876063f4
[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/ShotaroTsuji/broto:/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] c174a829e314a500b9504fa5f0159adac4221602a114c038aeee37804e5b4198
[INFO] running `"docker" "start" "-a" "c174a829e314a500b9504fa5f0159adac4221602a114c038aeee37804e5b4198"`
[INFO] [stderr]    Compiling broto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     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 1.68s
[INFO] running `"docker" "inspect" "c174a829e314a500b9504fa5f0159adac4221602a114c038aeee37804e5b4198"`
[INFO] running `"docker" "rm" "-f" "c174a829e314a500b9504fa5f0159adac4221602a114c038aeee37804e5b4198"`
[INFO] [stdout] c174a829e314a500b9504fa5f0159adac4221602a114c038aeee37804e5b4198
[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/ShotaroTsuji/broto:/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] f169b4a74f1541f6110a258f151bf1d561e8730b0a0164d8337cfb8c959f94d7
[INFO] running `"docker" "start" "-a" "f169b4a74f1541f6110a258f151bf1d561e8730b0a0164d8337cfb8c959f94d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/broto-df05033839ebb29e
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-5d45b9ba95f2e00f
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_reader_writer_3 ... ok
[INFO] [stdout] test test_reader_writer_2 ... ok
[INFO] [stdout] test test_reader_writer_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests broto
[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" "f169b4a74f1541f6110a258f151bf1d561e8730b0a0164d8337cfb8c959f94d7"`
[INFO] running `"docker" "rm" "-f" "f169b4a74f1541f6110a258f151bf1d561e8730b0a0164d8337cfb8c959f94d7"`
[INFO] [stdout] f169b4a74f1541f6110a258f151bf1d561e8730b0a0164d8337cfb8c959f94d7