[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 master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexacs%2Frust_four" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exacs/rust_four on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] a9bbaed21480b24ae6a75a33fa6656a2bfe7cb3a01dad0d6f142797fa288fefd
[INFO] running `"docker" "start" "-a" "a9bbaed21480b24ae6a75a33fa6656a2bfe7cb3a01dad0d6f142797fa288fefd"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[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 9.51s
[INFO] running `"docker" "inspect" "a9bbaed21480b24ae6a75a33fa6656a2bfe7cb3a01dad0d6f142797fa288fefd"`
[INFO] running `"docker" "rm" "-f" "a9bbaed21480b24ae6a75a33fa6656a2bfe7cb3a01dad0d6f142797fa288fefd"`
[INFO] [stdout] a9bbaed21480b24ae6a75a33fa6656a2bfe7cb3a01dad0d6f142797fa288fefd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 54563dad98a45c758a580f6210a7ceb267dac6bcbbed356d2376c1cab398b0b6
[INFO] running `"docker" "start" "-a" "54563dad98a45c758a580f6210a7ceb267dac6bcbbed356d2376c1cab398b0b6"`
[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 1.36s
[INFO] running `"docker" "inspect" "54563dad98a45c758a580f6210a7ceb267dac6bcbbed356d2376c1cab398b0b6"`
[INFO] running `"docker" "rm" "-f" "54563dad98a45c758a580f6210a7ceb267dac6bcbbed356d2376c1cab398b0b6"`
[INFO] [stdout] 54563dad98a45c758a580f6210a7ceb267dac6bcbbed356d2376c1cab398b0b6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 2e6641974df738ce40cfd4ede1aace208cbd06c17e697534c6623d94127cbb08
[INFO] running `"docker" "start" "-a" "2e6641974df738ce40cfd4ede1aace208cbd06c17e697534c6623d94127cbb08"`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_four-c4cb337db0083beb
[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" "2e6641974df738ce40cfd4ede1aace208cbd06c17e697534c6623d94127cbb08"`
[INFO] running `"docker" "rm" "-f" "2e6641974df738ce40cfd4ede1aace208cbd06c17e697534c6623d94127cbb08"`
[INFO] [stdout] 2e6641974df738ce40cfd4ede1aace208cbd06c17e697534c6623d94127cbb08