[INFO] cloning repository https://github.com/angeljreyes/minesweeper-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angeljreyes/minesweeper-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangeljreyes%2Fminesweeper-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangeljreyes%2Fminesweeper-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eafb407e5c9c49a2fe08b2b87c13ea3237b88a9
[INFO] checking angeljreyes/minesweeper-rs against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangeljreyes%2Fminesweeper-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/angeljreyes/minesweeper-rs
[INFO] finished tweaking git repo https://github.com/angeljreyes/minesweeper-rs
[INFO] tweaked toml for git repo https://github.com/angeljreyes/minesweeper-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/angeljreyes/minesweeper-rs on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/angeljreyes/minesweeper-rs 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 666467ddcc54abd87961b7eac1d0623e1d847fe6c6902218e26a16940a4dbbf1
[INFO] running `Command { std: "docker" "start" "-a" "666467ddcc54abd87961b7eac1d0623e1d847fe6c6902218e26a16940a4dbbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666467ddcc54abd87961b7eac1d0623e1d847fe6c6902218e26a16940a4dbbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666467ddcc54abd87961b7eac1d0623e1d847fe6c6902218e26a16940a4dbbf1", kill_on_drop: false }`
[INFO] [stdout] 666467ddcc54abd87961b7eac1d0623e1d847fe6c6902218e26a16940a4dbbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c039b27386ca1b2c808778975c2b983e3b52f8781d6c958d00b6f1aabbae38
[INFO] running `Command { std: "docker" "start" "-a" "b5c039b27386ca1b2c808778975c2b983e3b52f8781d6c958d00b6f1aabbae38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking minesweeper-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get` and `set_pos` are never used
[INFO] [stdout]    --> src/field.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Field {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn get(&self, index: UIdx) -> Option<&Tile> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn set_pos(&mut self, index: UIdx) -> Option<UIdx> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_up` is never used
[INFO] [stdout]   --> src/term.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn move_cursor_up(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_down` is never used
[INFO] [stdout]   --> src/term.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn move_cursor_down(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_left` is never used
[INFO] [stdout]   --> src/term.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn move_cursor_left(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/field.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn adjacent(&self, pos: UIdx) -> AdjacentTiles {
[INFO] [stdout]     |                     ^^^^^                ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn adjacent(&self, pos: UIdx) -> AdjacentTiles<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/field.rs:206:42
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn tile_mut<'a>(&'a mut self) -> &mut Tile {
[INFO] [stdout]     |                          --              ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn tile_mut<'a>(&'a mut self) -> &'a mut Tile {
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `set_pos` are never used
[INFO] [stdout]    --> src/field.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Field {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn get(&self, index: UIdx) -> Option<&Tile> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn set_pos(&mut self, index: UIdx) -> Option<UIdx> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_up` is never used
[INFO] [stdout]   --> src/term.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn move_cursor_up(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_down` is never used
[INFO] [stdout]   --> src/term.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn move_cursor_down(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cursor_left` is never used
[INFO] [stdout]   --> src/term.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn move_cursor_left(n: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/field.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn adjacent(&self, pos: UIdx) -> AdjacentTiles {
[INFO] [stdout]     |                     ^^^^^                ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn adjacent(&self, pos: UIdx) -> AdjacentTiles<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/field.rs:206:42
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn tile_mut<'a>(&'a mut self) -> &mut Tile {
[INFO] [stdout]     |                          --              ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn tile_mut<'a>(&'a mut self) -> &'a mut Tile {
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "b5c039b27386ca1b2c808778975c2b983e3b52f8781d6c958d00b6f1aabbae38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c039b27386ca1b2c808778975c2b983e3b52f8781d6c958d00b6f1aabbae38", kill_on_drop: false }`
[INFO] [stdout] b5c039b27386ca1b2c808778975c2b983e3b52f8781d6c958d00b6f1aabbae38
