[INFO] updating cached repository domoritz/gameoflife-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/domoritz/gameoflife-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/domoritz/gameoflife-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/domoritz/gameoflife-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/domoritz/gameoflife-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/domoritz/gameoflife-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/domoritz/gameoflife-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/domoritz/gameoflife-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eab8a58e4a4daa0c13cc453b9bba8598822c014b
[INFO] sha for GitHub repo domoritz/gameoflife-rust: eab8a58e4a4daa0c13cc453b9bba8598822c014b
[INFO] validating manifest of domoritz/gameoflife-rust 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 domoritz/gameoflife-rust 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 domoritz/gameoflife-rust
[INFO] finished frobbing domoritz/gameoflife-rust
[INFO] frobbed toml for domoritz/gameoflife-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/domoritz/gameoflife-rust/Cargo.toml
[INFO] started frobbing domoritz/gameoflife-rust
[INFO] finished frobbing domoritz/gameoflife-rust
[INFO] frobbed toml for domoritz/gameoflife-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/domoritz/gameoflife-rust/Cargo.toml
[INFO] crate domoritz/gameoflife-rust 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 domoritz/gameoflife-rust 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-3/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/domoritz/gameoflife-rust:/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] 1d50f16ba414b752b700482f11131d81db4a63ea7c677a391e7cd44979fdc2b6
[INFO] running `"docker" "start" "-a" "1d50f16ba414b752b700482f11131d81db4a63ea7c677a391e7cd44979fdc2b6"`
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:33
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn to_string(&self, f: &mut fmt::Write, padding: i64) -> fmt::Result {
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Write`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "1d50f16ba414b752b700482f11131d81db4a63ea7c677a391e7cd44979fdc2b6"`
[INFO] running `"docker" "rm" "-f" "1d50f16ba414b752b700482f11131d81db4a63ea7c677a391e7cd44979fdc2b6"`
[INFO] [stdout] 1d50f16ba414b752b700482f11131d81db4a63ea7c677a391e7cd44979fdc2b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/domoritz/gameoflife-rust:/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] 12bd286de62dc42d969f96e7333ad382c40e3a1c49ec8f49456a088d6c033b26
[INFO] running `"docker" "start" "-a" "12bd286de62dc42d969f96e7333ad382c40e3a1c49ec8f49456a088d6c033b26"`
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:33
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn to_string(&self, f: &mut fmt::Write, padding: i64) -> fmt::Result {
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Write`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "12bd286de62dc42d969f96e7333ad382c40e3a1c49ec8f49456a088d6c033b26"`
[INFO] running `"docker" "rm" "-f" "12bd286de62dc42d969f96e7333ad382c40e3a1c49ec8f49456a088d6c033b26"`
[INFO] [stdout] 12bd286de62dc42d969f96e7333ad382c40e3a1c49ec8f49456a088d6c033b26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/domoritz/gameoflife-rust:/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] 83c6f802d778414eab409672fcb516a53da878d760a182005a69949c0312cadd
[INFO] running `"docker" "start" "-a" "83c6f802d778414eab409672fcb516a53da878d760a182005a69949c0312cadd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gollib-1dfcabb76c3c3613
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::create_cell ... ok
[INFO] [stdout] test tests::empty_string ... ok
[INFO] [stdout] test tests::neighbor_counts_work ... ok
[INFO] [stdout] test tests::glider ... ok
[INFO] [stdout] test tests::neighbors_works ... ok
[INFO] [stdout] test tests::generate_board ... ok
[INFO] [stdout] test tests::simple_step ... ok
[INFO] [stdout] test tests::simple_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/game-dff1038e83319345
[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]    Doc-tests gollib
[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" "83c6f802d778414eab409672fcb516a53da878d760a182005a69949c0312cadd"`
[INFO] running `"docker" "rm" "-f" "83c6f802d778414eab409672fcb516a53da878d760a182005a69949c0312cadd"`
[INFO] [stdout] 83c6f802d778414eab409672fcb516a53da878d760a182005a69949c0312cadd