[INFO] updating cached repository me-unsolicited/rust-chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/me-unsolicited/rust-chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/me-unsolicited/rust-chess" "work/ex/beta-1.37-6/sources/1.36.0/gh/me-unsolicited/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/me-unsolicited/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/me-unsolicited/rust-chess" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/me-unsolicited/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/me-unsolicited/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9d265c9021cac86c9d568529464cf4aa27b860a
[INFO] sha for GitHub repo me-unsolicited/rust-chess: a9d265c9021cac86c9d568529464cf4aa27b860a
[INFO] validating manifest of me-unsolicited/rust-chess 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 me-unsolicited/rust-chess 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 me-unsolicited/rust-chess
[INFO] finished frobbing me-unsolicited/rust-chess
[INFO] frobbed toml for me-unsolicited/rust-chess written to work/ex/beta-1.37-6/sources/1.36.0/gh/me-unsolicited/rust-chess/Cargo.toml
[INFO] started frobbing me-unsolicited/rust-chess
[INFO] finished frobbing me-unsolicited/rust-chess
[INFO] frobbed toml for me-unsolicited/rust-chess written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/me-unsolicited/rust-chess/Cargo.toml
[INFO] crate me-unsolicited/rust-chess 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 me-unsolicited/rust-chess 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/me-unsolicited/rust-chess:/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] 6b900a9b5ba198cdd5216f815395b4c225a3fdfaa27f97c8c14d738be286423d
[INFO] running `"docker" "start" "-a" "6b900a9b5ba198cdd5216f815395b4c225a3fdfaa27f97c8c14d738be286423d"`
[INFO] [stderr]    Compiling rust-chess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut protocol: Box<Protocol> = match protocol_command.as_ref() {
[INFO] [stderr]    |                           ^^^^^^^^ help: use `dyn`: `dyn Protocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "6b900a9b5ba198cdd5216f815395b4c225a3fdfaa27f97c8c14d738be286423d"`
[INFO] running `"docker" "rm" "-f" "6b900a9b5ba198cdd5216f815395b4c225a3fdfaa27f97c8c14d738be286423d"`
[INFO] [stdout] 6b900a9b5ba198cdd5216f815395b4c225a3fdfaa27f97c8c14d738be286423d
[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/me-unsolicited/rust-chess:/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] 3a5a47199e6a37b92e9c6739f932f8e5f5144d3e48487b393eefdae205801bbe
[INFO] running `"docker" "start" "-a" "3a5a47199e6a37b92e9c6739f932f8e5f5144d3e48487b393eefdae205801bbe"`
[INFO] [stderr]    Compiling rust-chess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut protocol: Box<Protocol> = match protocol_command.as_ref() {
[INFO] [stderr]    |                           ^^^^^^^^ help: use `dyn`: `dyn Protocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "3a5a47199e6a37b92e9c6739f932f8e5f5144d3e48487b393eefdae205801bbe"`
[INFO] running `"docker" "rm" "-f" "3a5a47199e6a37b92e9c6739f932f8e5f5144d3e48487b393eefdae205801bbe"`
[INFO] [stdout] 3a5a47199e6a37b92e9c6739f932f8e5f5144d3e48487b393eefdae205801bbe
[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/me-unsolicited/rust-chess:/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] a35deae6e6dd7f13b7b895a68257f7d976e613f2e87c690cdc9f3a84363f4398
[INFO] running `"docker" "start" "-a" "a35deae6e6dd7f13b7b895a68257f7d976e613f2e87c690cdc9f3a84363f4398"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_chess-24531bd273afeaf1
[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" "a35deae6e6dd7f13b7b895a68257f7d976e613f2e87c690cdc9f3a84363f4398"`
[INFO] running `"docker" "rm" "-f" "a35deae6e6dd7f13b7b895a68257f7d976e613f2e87c690cdc9f3a84363f4398"`
[INFO] [stdout] a35deae6e6dd7f13b7b895a68257f7d976e613f2e87c690cdc9f3a84363f4398