[INFO] cloning repository https://github.com/Bishal-9/minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bishal-9/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishal-9%2Fminesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishal-9%2Fminesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bf6bb0bcd16a00a97dd8547920030a13a654d43
[INFO] building Bishal-9/minesweeper against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishal-9%2Fminesweeper" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bishal-9/minesweeper on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bishal-9/minesweeper
[INFO] finished tweaking git repo https://github.com/Bishal-9/minesweeper
[INFO] tweaked toml for git repo https://github.com/Bishal-9/minesweeper written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bishal-9/minesweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4161294b7dd7d3635075c57b5ec38b9d74dfbd08be02d51f2035665f2b03e6fe
[INFO] running `Command { std: "docker" "start" "-a" "4161294b7dd7d3635075c57b5ec38b9d74dfbd08be02d51f2035665f2b03e6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4161294b7dd7d3635075c57b5ec38b9d74dfbd08be02d51f2035665f2b03e6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4161294b7dd7d3635075c57b5ec38b9d74dfbd08be02d51f2035665f2b03e6fe", kill_on_drop: false }`
[INFO] [stdout] 4161294b7dd7d3635075c57b5ec38b9d74dfbd08be02d51f2035665f2b03e6fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef361f85ca6d07e3a75b361afd9c67e9d965bb089a892dc21afb858f613a857
[INFO] running `Command { std: "docker" "start" "-a" "9ef361f85ca6d07e3a75b361afd9c67e9d965bb089a892dc21afb858f613a857", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `minesweeper::*`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use minesweeper::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_range` is never used
[INFO] [stdout]  --> src/random.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn random_range(min: usize, max: usize) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Position` is never used
[INFO] [stdout]  --> src/minesweeper.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Position = (usize, usize);
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpenResult` is never used
[INFO] [stdout]   --> src/minesweeper.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum OpenResult {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Minesweeper` is never constructed
[INFO] [stdout]   --> src/minesweeper.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Minesweeper {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `neighbors`, `mines_nearby`, `open`, and `toggle_flag` are never used
[INFO] [stdout]    --> src/minesweeper.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 51  | impl Minesweeper {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 52  |     pub fn new(width: usize, height: usize, mine_count: usize) -> Minesweeper {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn neighbors(&self, (x, y): Position) -> impl Iterator<Item = Position> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn mines_nearby(&self, position: Position) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85  |     pub fn open(&mut self, position: Position) -> OpenResult {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn toggle_flag(&mut self, position: Position) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "9ef361f85ca6d07e3a75b361afd9c67e9d965bb089a892dc21afb858f613a857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef361f85ca6d07e3a75b361afd9c67e9d965bb089a892dc21afb858f613a857", kill_on_drop: false }`
[INFO] [stdout] 9ef361f85ca6d07e3a75b361afd9c67e9d965bb089a892dc21afb858f613a857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695e83261a47b952b05fb0af9195f158d1d9b4d74f47a9a270fa521bd03f6a70
[INFO] running `Command { std: "docker" "start" "-a" "695e83261a47b952b05fb0af9195f158d1d9b4d74f47a9a270fa521bd03f6a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `minesweeper::*`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use minesweeper::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_range` is never used
[INFO] [stdout]  --> src/random.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn random_range(min: usize, max: usize) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Position` is never used
[INFO] [stdout]  --> src/minesweeper.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Position = (usize, usize);
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpenResult` is never used
[INFO] [stdout]   --> src/minesweeper.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum OpenResult {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Minesweeper` is never constructed
[INFO] [stdout]   --> src/minesweeper.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Minesweeper {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `neighbors`, `mines_nearby`, `open`, and `toggle_flag` are never used
[INFO] [stdout]    --> src/minesweeper.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 51  | impl Minesweeper {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 52  |     pub fn new(width: usize, height: usize, mine_count: usize) -> Minesweeper {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     pub fn neighbors(&self, (x, y): Position) -> impl Iterator<Item = Position> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn mines_nearby(&self, position: Position) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85  |     pub fn open(&mut self, position: Position) -> OpenResult {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn toggle_flag(&mut self, position: Position) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minesweeper::*`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use minesweeper::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/minesweeper.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NoMine(u8),
[INFO] [stdout]    |     ------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NoMine(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "695e83261a47b952b05fb0af9195f158d1d9b4d74f47a9a270fa521bd03f6a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695e83261a47b952b05fb0af9195f158d1d9b4d74f47a9a270fa521bd03f6a70", kill_on_drop: false }`
[INFO] [stdout] 695e83261a47b952b05fb0af9195f158d1d9b4d74f47a9a270fa521bd03f6a70
