[INFO] updating cached repository gazzu/rustchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gazzu/rustchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gazzu/rustchain" "work/ex/beta-1.38-1/sources/1.37.0/gh/gazzu/rustchain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gazzu/rustchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gazzu/rustchain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a22f9269dea5819a2fe4c1dc924f06280831c7b2
[INFO] sha for GitHub repo gazzu/rustchain: a22f9269dea5819a2fe4c1dc924f06280831c7b2
[INFO] validating manifest of gazzu/rustchain 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 gazzu/rustchain 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 gazzu/rustchain
[INFO] finished frobbing gazzu/rustchain
[INFO] frobbed toml for gazzu/rustchain written to work/ex/beta-1.38-1/sources/1.37.0/gh/gazzu/rustchain/Cargo.toml
[INFO] started frobbing gazzu/rustchain
[INFO] finished frobbing gazzu/rustchain
[INFO] frobbed toml for gazzu/rustchain written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain/Cargo.toml
[INFO] crate gazzu/rustchain 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 gazzu/rustchain against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1c6310022e71ee6644e6f7135822a484ac7e707a23dd207df5282c48a51a58a1
[INFO] running `"docker" "start" "-a" "1c6310022e71ee6644e6f7135822a484ac7e707a23dd207df5282c48a51a58a1"`
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rustchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rustchain/error.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     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 27.05s
[INFO] running `"docker" "inspect" "1c6310022e71ee6644e6f7135822a484ac7e707a23dd207df5282c48a51a58a1"`
[INFO] running `"docker" "rm" "-f" "1c6310022e71ee6644e6f7135822a484ac7e707a23dd207df5282c48a51a58a1"`
[INFO] [stdout] 1c6310022e71ee6644e6f7135822a484ac7e707a23dd207df5282c48a51a58a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9bc5a75bdd4453a92a0e84f516cdb8cb8c3fe8b9d2614480cafc6fd8247860d9
[INFO] running `"docker" "start" "-a" "9bc5a75bdd4453a92a0e84f516cdb8cb8c3fe8b9d2614480cafc6fd8247860d9"`
[INFO] [stderr]    Compiling rustchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rustchain/error.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     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 1.66s
[INFO] running `"docker" "inspect" "9bc5a75bdd4453a92a0e84f516cdb8cb8c3fe8b9d2614480cafc6fd8247860d9"`
[INFO] running `"docker" "rm" "-f" "9bc5a75bdd4453a92a0e84f516cdb8cb8c3fe8b9d2614480cafc6fd8247860d9"`
[INFO] [stdout] 9bc5a75bdd4453a92a0e84f516cdb8cb8c3fe8b9d2614480cafc6fd8247860d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gazzu/rustchain:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4557baef5ec95279480ebf21b134facc999c73db0f6244e4b583bf423dfa260a
[INFO] running `"docker" "start" "-a" "4557baef5ec95279480ebf21b134facc999c73db0f6244e4b583bf423dfa260a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustchain-8aa707d0fe98bfee
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustchain-7ea609d301b3e76c
[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] [stderr]    Doc-tests rustchain
[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 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" "4557baef5ec95279480ebf21b134facc999c73db0f6244e4b583bf423dfa260a"`
[INFO] running `"docker" "rm" "-f" "4557baef5ec95279480ebf21b134facc999c73db0f6244e4b583bf423dfa260a"`
[INFO] [stdout] 4557baef5ec95279480ebf21b134facc999c73db0f6244e4b583bf423dfa260a