[INFO] updating cached repository DR-BoneZ/tic-tac-toe-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DR-BoneZ/tic-tac-toe-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DR-BoneZ/tic-tac-toe-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/DR-BoneZ/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DR-BoneZ/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DR-BoneZ/tic-tac-toe-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DR-BoneZ/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DR-BoneZ/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a55a27184fcea6d7a46fa9c379887a259e70c523
[INFO] sha for GitHub repo DR-BoneZ/tic-tac-toe-rs: a55a27184fcea6d7a46fa9c379887a259e70c523
[INFO] validating manifest of DR-BoneZ/tic-tac-toe-rs 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 DR-BoneZ/tic-tac-toe-rs 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 DR-BoneZ/tic-tac-toe-rs
[INFO] finished frobbing DR-BoneZ/tic-tac-toe-rs
[INFO] frobbed toml for DR-BoneZ/tic-tac-toe-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/DR-BoneZ/tic-tac-toe-rs/Cargo.toml
[INFO] started frobbing DR-BoneZ/tic-tac-toe-rs
[INFO] finished frobbing DR-BoneZ/tic-tac-toe-rs
[INFO] frobbed toml for DR-BoneZ/tic-tac-toe-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DR-BoneZ/tic-tac-toe-rs/Cargo.toml
[INFO] crate DR-BoneZ/tic-tac-toe-rs 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 DR-BoneZ/tic-tac-toe-rs 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-6/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/DR-BoneZ/tic-tac-toe-rs:/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] e996f86846c1d2e767b287dca6d18ce37c79ff423c306b8b92985ab6f1ee8d78
[INFO] running `"docker" "start" "-a" "e996f86846c1d2e767b287dca6d18ce37c79ff423c306b8b92985ab6f1ee8d78"`
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling mio v0.6.17
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 b.set(x, y, b.turn);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |                         b.set(x, y, b.turn);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.61s
[INFO] running `"docker" "inspect" "e996f86846c1d2e767b287dca6d18ce37c79ff423c306b8b92985ab6f1ee8d78"`
[INFO] running `"docker" "rm" "-f" "e996f86846c1d2e767b287dca6d18ce37c79ff423c306b8b92985ab6f1ee8d78"`
[INFO] [stdout] e996f86846c1d2e767b287dca6d18ce37c79ff423c306b8b92985ab6f1ee8d78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/DR-BoneZ/tic-tac-toe-rs:/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] 76cf65cf95f882a309ea176f8f6abf325c01a9f36fd17bdaa824422905a97d55
[INFO] running `"docker" "start" "-a" "76cf65cf95f882a309ea176f8f6abf325c01a9f36fd17bdaa824422905a97d55"`
[INFO] [stderr]    Compiling tic-tac-toe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 b.set(x, y, b.turn);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |                         b.set(x, y, b.turn);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "76cf65cf95f882a309ea176f8f6abf325c01a9f36fd17bdaa824422905a97d55"`
[INFO] running `"docker" "rm" "-f" "76cf65cf95f882a309ea176f8f6abf325c01a9f36fd17bdaa824422905a97d55"`
[INFO] [stdout] 76cf65cf95f882a309ea176f8f6abf325c01a9f36fd17bdaa824422905a97d55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/DR-BoneZ/tic-tac-toe-rs:/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] 0a9f076b505fa9f286d7284a00e2ad87ee5aea80aede8aa8bb3696415fbf178d
[INFO] running `"docker" "start" "-a" "0a9f076b505fa9f286d7284a00e2ad87ee5aea80aede8aa8bb3696415fbf178d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_toe-ee1ce9364cf2eb17
[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" "0a9f076b505fa9f286d7284a00e2ad87ee5aea80aede8aa8bb3696415fbf178d"`
[INFO] running `"docker" "rm" "-f" "0a9f076b505fa9f286d7284a00e2ad87ee5aea80aede8aa8bb3696415fbf178d"`
[INFO] [stdout] 0a9f076b505fa9f286d7284a00e2ad87ee5aea80aede8aa8bb3696415fbf178d