[INFO] updating cached repository NougatRillettes/FourInARust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NougatRillettes/FourInARust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NougatRillettes/FourInARust" "work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NougatRillettes/FourInARust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NougatRillettes/FourInARust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NougatRillettes/FourInARust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40a5032bf9fdcbf0488686c2cc49edd3dd9a472b
[INFO] sha for GitHub repo NougatRillettes/FourInARust: 40a5032bf9fdcbf0488686c2cc49edd3dd9a472b
[INFO] validating manifest of NougatRillettes/FourInARust 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 NougatRillettes/FourInARust 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 NougatRillettes/FourInARust
[INFO] finished frobbing NougatRillettes/FourInARust
[INFO] frobbed toml for NougatRillettes/FourInARust written to work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust/Cargo.toml
[INFO] started frobbing NougatRillettes/FourInARust
[INFO] finished frobbing NougatRillettes/FourInARust
[INFO] frobbed toml for NougatRillettes/FourInARust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NougatRillettes/FourInARust/Cargo.toml
[INFO] crate NougatRillettes/FourInARust 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 NougatRillettes/FourInARust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 15ff31becfbfa53c7fe4d152abd026759978a603ae074e37c8f7c3aba9f98941
[INFO] running `"docker" "start" "-a" "15ff31becfbfa53c7fe4d152abd026759978a603ae074e37c8f7c3aba9f98941"`
[INFO] [stderr]    Compiling ncurses v5.87.0
[INFO] [stderr]    Compiling four_in_a_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/board.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Index};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "15ff31becfbfa53c7fe4d152abd026759978a603ae074e37c8f7c3aba9f98941"`
[INFO] running `"docker" "rm" "-f" "15ff31becfbfa53c7fe4d152abd026759978a603ae074e37c8f7c3aba9f98941"`
[INFO] [stdout] 15ff31becfbfa53c7fe4d152abd026759978a603ae074e37c8f7c3aba9f98941
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f8844edc6eb91c75fc30d8ad8a042a31cb90bdff30f17c253ea6bb59697ea188
[INFO] running `"docker" "start" "-a" "f8844edc6eb91c75fc30d8ad8a042a31cb90bdff30f17c253ea6bb59697ea188"`
[INFO] [stderr]    Compiling four_in_a_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/board.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Index};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "f8844edc6eb91c75fc30d8ad8a042a31cb90bdff30f17c253ea6bb59697ea188"`
[INFO] running `"docker" "rm" "-f" "f8844edc6eb91c75fc30d8ad8a042a31cb90bdff30f17c253ea6bb59697ea188"`
[INFO] [stdout] f8844edc6eb91c75fc30d8ad8a042a31cb90bdff30f17c253ea6bb59697ea188
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NougatRillettes/FourInARust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f50b087412d9f94d6df68e9e403ae92a2ae5a0632283e07650b8f5322e2f0676
[INFO] running `"docker" "start" "-a" "f50b087412d9f94d6df68e9e403ae92a2ae5a0632283e07650b8f5322e2f0676"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/4_in_a_rust-f2e1fa534c2e38cb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/four_in_a_rust-76377fb987f13e27
[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 4 tests
[INFO] [stdout] test board::tests::generaltest ... ok
[INFO] [stdout] test board::tests::addtokenpanic1 ... ok
[INFO] [stdout] test board::tests::addtokenpanic3 ... ok
[INFO] [stdout] test board::tests::addtokenpanic2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 4_in_a_rust
[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" "f50b087412d9f94d6df68e9e403ae92a2ae5a0632283e07650b8f5322e2f0676"`
[INFO] running `"docker" "rm" "-f" "f50b087412d9f94d6df68e9e403ae92a2ae5a0632283e07650b8f5322e2f0676"`
[INFO] [stdout] f50b087412d9f94d6df68e9e403ae92a2ae5a0632283e07650b8f5322e2f0676