[INFO] fetching crate hex-game 0.1.0...
[INFO] checking hex-game-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate hex-game 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hex-game 0.1.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hex-game 0.1.0
[INFO] finished tweaking crates.io crate hex-game 0.1.0
[INFO] tweaked toml for crates.io crate hex-game 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fcfad0ae822bede25244f10a58add03a924a61de5850f5e5832574f4060223d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fcfad0ae822bede25244f10a58add03a924a61de5850f5e5832574f4060223d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fcfad0ae822bede25244f10a58add03a924a61de5850f5e5832574f4060223d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcfad0ae822bede25244f10a58add03a924a61de5850f5e5832574f4060223d", kill_on_drop: false }`
[INFO] [stdout] 3fcfad0ae822bede25244f10a58add03a924a61de5850f5e5832574f4060223d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 380a0ce7aebf62233717e5a386f6e83791402d84aa905dc49187f6e2be907592
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "380a0ce7aebf62233717e5a386f6e83791402d84aa905dc49187f6e2be907592", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking hex-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coord.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/coord.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 | /         (Coord::abs_sub(self.x, other.x) <= 1 &&
[INFO] [stdout] 163 | |          Coord::abs_sub(self.y, other.y) <= 1 &&
[INFO] [stdout] 164 | |          Coord::abs_sub(self.x + self.y, other.x + other.y) <= 1)
[INFO] [stdout]     | |_________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Coord::abs_sub(self.x, other.x) <= 1 &&
[INFO] [stdout] 163 |          Coord::abs_sub(self.y, other.y) <= 1 &&
[INFO] [stdout] 164 |          Coord::abs_sub(self.x + self.y, other.x + other.y) <= 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HexCell`
[INFO] [stdout]  --> src/game.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::board::{Board, Color, GameStatus, HexCell};
[INFO] [stdout]   |                                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coord.rs:69:53
[INFO] [stdout]    |
[INFO] [stdout] 69 |             ParseCoordError::InvalidInt(ref e) => e.description(),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/coord.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/coord.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 | /         (Coord::abs_sub(self.x, other.x) <= 1 &&
[INFO] [stdout] 163 | |          Coord::abs_sub(self.y, other.y) <= 1 &&
[INFO] [stdout] 164 | |          Coord::abs_sub(self.x + self.y, other.x + other.y) <= 1)
[INFO] [stdout]     | |_________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Coord::abs_sub(self.x, other.x) <= 1 &&
[INFO] [stdout] 163 |          Coord::abs_sub(self.y, other.y) <= 1 &&
[INFO] [stdout] 164 |          Coord::abs_sub(self.x + self.y, other.x + other.y) <= 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HexCell`
[INFO] [stdout]  --> src/game.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::board::{Board, Color, GameStatus, HexCell};
[INFO] [stdout]   |                                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/coord.rs:69:53
[INFO] [stdout]    |
[INFO] [stdout] 69 |             ParseCoordError::InvalidInt(ref e) => e.description(),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "380a0ce7aebf62233717e5a386f6e83791402d84aa905dc49187f6e2be907592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380a0ce7aebf62233717e5a386f6e83791402d84aa905dc49187f6e2be907592", kill_on_drop: false }`
[INFO] [stdout] 380a0ce7aebf62233717e5a386f6e83791402d84aa905dc49187f6e2be907592