[INFO] updating cached repository https://github.com/exacs/rust_four
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] b2799114ba72aa052aff634c068243a9b5c78b36
[INFO] testing exacs/rust_four against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexacs%2Frust_four" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exacs/rust_four on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/exacs/rust_four
[INFO] finished tweaking git repo https://github.com/exacs/rust_four
[INFO] tweaked toml for git repo https://github.com/exacs/rust_four written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/exacs/rust_four already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac88abdb4972fa1c59abec3793f3bbcf536d891ecb883a82629bbeef6a82caf7
[INFO] running `"docker" "start" "-a" "ac88abdb4972fa1c59abec3793f3bbcf536d891ecb883a82629bbeef6a82caf7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/game.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |     black_player: &'a Player,
[INFO] [stderr]   |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     white_player: &'a Player,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |         black_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         white_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/players/smart_player.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     dumb_player: Box<Player>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/players/smart_player.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new(dumb_player: Box<Player>) -> SmartPlayer {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "ac88abdb4972fa1c59abec3793f3bbcf536d891ecb883a82629bbeef6a82caf7"`
[INFO] running `"docker" "rm" "-f" "ac88abdb4972fa1c59abec3793f3bbcf536d891ecb883a82629bbeef6a82caf7"`
[INFO] [stdout] ac88abdb4972fa1c59abec3793f3bbcf536d891ecb883a82629bbeef6a82caf7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23249edf87acf4770d8ce74c8005952fe451064e753bfde30aad7314e2d5e22f
[INFO] running `"docker" "start" "-a" "23249edf87acf4770d8ce74c8005952fe451064e753bfde30aad7314e2d5e22f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/game.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |     black_player: &'a Player,
[INFO] [stderr]   |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     white_player: &'a Player,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |         black_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         white_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/players/smart_player.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     dumb_player: Box<Player>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/players/smart_player.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new(dumb_player: Box<Player>) -> SmartPlayer {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "23249edf87acf4770d8ce74c8005952fe451064e753bfde30aad7314e2d5e22f"`
[INFO] running `"docker" "rm" "-f" "23249edf87acf4770d8ce74c8005952fe451064e753bfde30aad7314e2d5e22f"`
[INFO] [stdout] 23249edf87acf4770d8ce74c8005952fe451064e753bfde30aad7314e2d5e22f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eaf09f994275deaa40947018b3f61aa4370d01b09ff9f1bf020eecf346aae464
[INFO] running `"docker" "start" "-a" "eaf09f994275deaa40947018b3f61aa4370d01b09ff9f1bf020eecf346aae464"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/game.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |     black_player: &'a Player,
[INFO] [stderr]   |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     white_player: &'a Player,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |         black_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         white_player: &'a Player,
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/players/smart_player.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     dumb_player: Box<Player>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/players/smart_player.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new(dumb_player: Box<Player>) -> SmartPlayer {
[INFO] [stderr]    |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_four-3f4bbb9fe6bc5f89
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test board::tests::get_row_coords ... ok
[INFO] [stdout] test board::tests::get_full_column ... ok
[INFO] [stdout] test board::tests::create_valid_size ... ok
[INFO] [stdout] test board::tests::create_invalid_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eaf09f994275deaa40947018b3f61aa4370d01b09ff9f1bf020eecf346aae464"`
[INFO] running `"docker" "rm" "-f" "eaf09f994275deaa40947018b3f61aa4370d01b09ff9f1bf020eecf346aae464"`
[INFO] [stdout] eaf09f994275deaa40947018b3f61aa4370d01b09ff9f1bf020eecf346aae464