[INFO] cloning repository https://github.com/jackgroom/Minesweeper-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackgroom/Minesweeper-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgroom%2FMinesweeper-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgroom%2FMinesweeper-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db5da0173e9bfabd4325329db0716dcdf6c05d5e
[INFO] checking jackgroom/Minesweeper-in-Rust against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgroom%2FMinesweeper-in-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackgroom/Minesweeper-in-Rust
[INFO] finished tweaking git repo https://github.com/jackgroom/Minesweeper-in-Rust
[INFO] tweaked toml for git repo https://github.com/jackgroom/Minesweeper-in-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackgroom/Minesweeper-in-Rust on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackgroom/Minesweeper-in-Rust 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jackgroom/Minesweeper-in-Rust against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackgroom%2FMinesweeper-in-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackgroom/Minesweeper-in-Rust
[INFO] finished tweaking git repo https://github.com/jackgroom/Minesweeper-in-Rust
[INFO] tweaked toml for git repo https://github.com/jackgroom/Minesweeper-in-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackgroom/Minesweeper-in-Rust on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackgroom/Minesweeper-in-Rust 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 069b102b94d79029c7790695913862ceb1720bbf0c7f73e3c8f01839562c63ad
[INFO] running `Command { std: "docker" "start" "-a" "069b102b94d79029c7790695913862ceb1720bbf0c7f73e3c8f01839562c63ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "069b102b94d79029c7790695913862ceb1720bbf0c7f73e3c8f01839562c63ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069b102b94d79029c7790695913862ceb1720bbf0c7f73e3c8f01839562c63ad", kill_on_drop: false }`
[INFO] [stdout] 069b102b94d79029c7790695913862ceb1720bbf0c7f73e3c8f01839562c63ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81d8b3e70de31f69459653bb6044fa160d9182a3215381f28f08de0c697fbe71
[INFO] running `Command { std: "docker" "start" "-a" "81d8b3e70de31f69459653bb6044fa160d9182a3215381f28f08de0c697fbe71", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.0
[INFO] [stderr]     Checking Minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/board.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/board.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Write, stdout};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cell::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `disable_raw_mode` and `enable_raw_mode`
[INFO] [stdout]   --> src/main.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/board.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/board.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Write, stdout};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cell::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `disable_raw_mode` and `enable_raw_mode`
[INFO] [stdout]   --> src/main.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_char` found for reference `&cell::Cell` in the current scope
[INFO] [stdout]   --> src/cell.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |         write!(f, "{}", self.to_char())
[INFO] [stdout]    |                              ^^^^^^^ method not found in `&cell::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 41 |         write!(f, "{}", self.cell_type.to_char())
[INFO] [stdout]    |                              ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CellType` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     print!("[{}]", type_to_print);
[INFO] [stdout]    |                              --    ^^^^^^^^^^^^^ `CellType` cannot be formatted with the default formatter
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `CellType`
[INFO] [stdout]   --> src/cell.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum CellType {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args` which comes from the expansion of the macro `print` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CellType` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     print!(" {} ", type_to_print);
[INFO] [stdout]    |                              --    ^^^^^^^^^^^^^ `CellType` cannot be formatted with the default formatter
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `CellType`
[INFO] [stdout]   --> src/cell.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum CellType {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args` which comes from the expansion of the macro `print` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         if poll(Duration::from_millis(500))? {
[INFO] [stdout] 20 | |             match read()? {
[INFO] [stdout] 21 | |                 Event::Key(event) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 39 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut current_cell: Cell = self[current_position];
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_char` found for reference `&cell::Cell` in the current scope
[INFO] [stdout]   --> src/cell.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |         write!(f, "{}", self.to_char())
[INFO] [stdout]    |                              ^^^^^^^ method not found in `&cell::Cell`
[INFO] [stdout]    |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 41 |         write!(f, "{}", self.cell_type.to_char())
[INFO] [stdout]    |                              ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CellType` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     print!("[{}]", type_to_print);
[INFO] [stdout]    |                              --    ^^^^^^^^^^^^^ `CellType` cannot be formatted with the default formatter
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `CellType`
[INFO] [stdout]   --> src/cell.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum CellType {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args` which comes from the expansion of the macro `print` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `CellType` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/board.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     print!(" {} ", type_to_print);
[INFO] [stdout]    |                              --    ^^^^^^^^^^^^^ `CellType` cannot be formatted with the default formatter
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `CellType`
[INFO] [stdout]   --> src/cell.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum CellType {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args` which comes from the expansion of the macro `print` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     loop {
[INFO] [stdout] 19 | |         if poll(Duration::from_millis(500))? {
[INFO] [stdout] 20 | |             match read()? {
[INFO] [stdout] 21 | |                 Event::Key(event) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 39 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut current_cell: Cell = self[current_position];
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Minesweeper` (bin "Minesweeper" test) due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `Minesweeper` (bin "Minesweeper") due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "81d8b3e70de31f69459653bb6044fa160d9182a3215381f28f08de0c697fbe71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d8b3e70de31f69459653bb6044fa160d9182a3215381f28f08de0c697fbe71", kill_on_drop: false }`
[INFO] [stdout] 81d8b3e70de31f69459653bb6044fa160d9182a3215381f28f08de0c697fbe71
