[INFO] updating cached repository domfoy/connect-four
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/domfoy/connect-four
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/domfoy/connect-four" "work/ex/beta-1.37-6/sources/1.36.0/gh/domfoy/connect-four"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/domfoy/connect-four'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/domfoy/connect-four" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domfoy/connect-four"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domfoy/connect-four'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba4ab33c45d7f0f36bb395251d3975f9e60a12f9
[INFO] sha for GitHub repo domfoy/connect-four: ba4ab33c45d7f0f36bb395251d3975f9e60a12f9
[INFO] validating manifest of domfoy/connect-four 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 domfoy/connect-four 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 domfoy/connect-four
[INFO] finished frobbing domfoy/connect-four
[INFO] frobbed toml for domfoy/connect-four written to work/ex/beta-1.37-6/sources/1.36.0/gh/domfoy/connect-four/Cargo.toml
[INFO] started frobbing domfoy/connect-four
[INFO] finished frobbing domfoy/connect-four
[INFO] frobbed toml for domfoy/connect-four written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/domfoy/connect-four/Cargo.toml
[INFO] crate domfoy/connect-four 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing domfoy/connect-four 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-2/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/domfoy/connect-four:/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] f431d24d8b406ec97e2b6cfa29e84e8af45df6e23904fe771bf4934f222f1c24
[INFO] running `"docker" "start" "-a" "f431d24d8b406ec97e2b6cfa29e84e8af45df6e23904fe771bf4934f222f1c24"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/board/inner.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let get_cell: Box<Fn(usize) -> &'a Cell> = match line_type {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> &'a Cell`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "f431d24d8b406ec97e2b6cfa29e84e8af45df6e23904fe771bf4934f222f1c24"`
[INFO] running `"docker" "rm" "-f" "f431d24d8b406ec97e2b6cfa29e84e8af45df6e23904fe771bf4934f222f1c24"`
[INFO] [stdout] f431d24d8b406ec97e2b6cfa29e84e8af45df6e23904fe771bf4934f222f1c24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/domfoy/connect-four:/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] 15d64f72d3226c19c59eb867b430e4c976ac8d04e6b1cc5014eb45de5141afa1
[INFO] running `"docker" "start" "-a" "15d64f72d3226c19c59eb867b430e4c976ac8d04e6b1cc5014eb45de5141afa1"`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/board/inner.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let get_cell: Box<Fn(usize) -> &'a Cell> = match line_type {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> &'a Cell`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "15d64f72d3226c19c59eb867b430e4c976ac8d04e6b1cc5014eb45de5141afa1"`
[INFO] running `"docker" "rm" "-f" "15d64f72d3226c19c59eb867b430e4c976ac8d04e6b1cc5014eb45de5141afa1"`
[INFO] [stdout] 15d64f72d3226c19c59eb867b430e4c976ac8d04e6b1cc5014eb45de5141afa1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/domfoy/connect-four:/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] 4c9b63a5bc69bba94812bae88f2a79af5ef142812ffacec17f1cae591011234f
[INFO] running `"docker" "start" "-a" "4c9b63a5bc69bba94812bae88f2a79af5ef142812ffacec17f1cae591011234f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connect_four-ad64aa820a042e1f
[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]      Running /opt/crater/target/debug/deps/run-ea68abb9be8c59d9
[INFO] [stderr]    Doc-tests connect_four
[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 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" "4c9b63a5bc69bba94812bae88f2a79af5ef142812ffacec17f1cae591011234f"`
[INFO] running `"docker" "rm" "-f" "4c9b63a5bc69bba94812bae88f2a79af5ef142812ffacec17f1cae591011234f"`
[INFO] [stdout] 4c9b63a5bc69bba94812bae88f2a79af5ef142812ffacec17f1cae591011234f