[INFO] updating cached repository https://github.com/domoritz/gameoflife-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eab8a58e4a4daa0c13cc453b9bba8598822c014b
[INFO] testing domoritz/gameoflife-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomoritz%2Fgameoflife-rust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domoritz/gameoflife-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/domoritz/gameoflife-rust
[INFO] finished tweaking git repo https://github.com/domoritz/gameoflife-rust
[INFO] tweaked toml for git repo https://github.com/domoritz/gameoflife-rust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/domoritz/gameoflife-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6af9b89d75c73ad28440125ce7c7e4fb7295da8d82e37efda34a308d6c8e9ff7
[INFO] running `"docker" "start" "-a" "6af9b89d75c73ad28440125ce7c7e4fb7295da8d82e37efda34a308d6c8e9ff7"`
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/rustwide/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 1.60s
[INFO] running `"docker" "inspect" "6af9b89d75c73ad28440125ce7c7e4fb7295da8d82e37efda34a308d6c8e9ff7"`
[INFO] running `"docker" "rm" "-f" "6af9b89d75c73ad28440125ce7c7e4fb7295da8d82e37efda34a308d6c8e9ff7"`
[INFO] [stdout] 6af9b89d75c73ad28440125ce7c7e4fb7295da8d82e37efda34a308d6c8e9ff7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a61a40074839e6493d0952de812523de6929f1b7fe58e756386a92682c8ac8e
[INFO] running `"docker" "start" "-a" "7a61a40074839e6493d0952de812523de6929f1b7fe58e756386a92682c8ac8e"`
[INFO] [stderr]    Compiling game-of-life v0.1.0 (/opt/rustwide/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 1.37s
[INFO] running `"docker" "inspect" "7a61a40074839e6493d0952de812523de6929f1b7fe58e756386a92682c8ac8e"`
[INFO] running `"docker" "rm" "-f" "7a61a40074839e6493d0952de812523de6929f1b7fe58e756386a92682c8ac8e"`
[INFO] [stdout] 7a61a40074839e6493d0952de812523de6929f1b7fe58e756386a92682c8ac8e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e3bd28f5089056a4f950819f9062b592d748131d76ef62296fe639036fb64771
[INFO] running `"docker" "start" "-a" "e3bd28f5089056a4f950819f9062b592d748131d76ef62296fe639036fb64771"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gollib-cf933ac282751666
[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::generate_board ... ok
[INFO] [stdout] test tests::neighbors_works ... ok
[INFO] [stdout] test tests::simple_field ... ok
[INFO] [stdout] test tests::neighbor_counts_work ... ok
[INFO] [stdout] test tests::simple_step ... ok
[INFO] [stdout] test tests::glider ... 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/rustwide/target/debug/deps/game-6113e34ca1cee169
[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" "e3bd28f5089056a4f950819f9062b592d748131d76ef62296fe639036fb64771"`
[INFO] running `"docker" "rm" "-f" "e3bd28f5089056a4f950819f9062b592d748131d76ef62296fe639036fb64771"`
[INFO] [stdout] e3bd28f5089056a4f950819f9062b592d748131d76ef62296fe639036fb64771