[INFO] cloning repository https://github.com/ThomasFrans/pogo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasFrans/pogo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasFrans%2Fpogo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasFrans%2Fpogo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dc32388273ed5345d9080f3a09bfd7e8525b005
[INFO] checking ThomasFrans/pogo against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasFrans%2Fpogo" "/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/ThomasFrans/pogo
[INFO] finished tweaking git repo https://github.com/ThomasFrans/pogo
[INFO] tweaked toml for git repo https://github.com/ThomasFrans/pogo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThomasFrans/pogo on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThomasFrans/pogo 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" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32
[INFO] running `Command { std: "docker" "start" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling gio v0.15.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking mines v0.1.0 (/opt/rustwide/workdir/mines)
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> mines/src/lib.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{stdout, Write};
[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::ptr::write`
[INFO] [stdout]  --> mines/src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use std::ptr::write;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> mines/src/lib.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{stdout, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> mines/src/lib.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             for i in 0..mines {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_cell`
[INFO] [stdout]   --> mines/src/lib.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |                     let next_cell = &mut self.cells[i.1 as usize][i.0 as usize];
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cover`, `remove_mine`, `place_flag`, and `remove_flag` are never used
[INFO] [stdout]    --> mines/src/lib.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     impl Cell {
[INFO] [stdout]     |     --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |         fn cover(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |         fn remove_mine(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |         fn place_flag(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |         fn remove_flag(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mines/src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             write!(f, " 01234567\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = write!(f, " 01234567\n");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mines/src/lib.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 write!(f, "{}", m);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let _ = write!(f, "{}", m);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling system-deps v6.0.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling glib-sys v0.15.4
[INFO] [stderr]    Compiling gobject-sys v0.15.1
[INFO] [stderr]    Compiling gio-sys v0.15.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.1
[INFO] [stderr]    Compiling graphene-sys v0.15.1
[INFO] [stderr]    Compiling gdk4-sys v0.4.2
[INFO] [stderr]    Compiling gsk4-sys v0.4.2
[INFO] [stderr]    Compiling gtk4-sys v0.4.5
[INFO] [stderr]    Compiling glib-macros v0.15.3
[INFO] [stderr]    Compiling gtk4-macros v0.4.3
[INFO] [stderr]     Checking glib v0.15.4
[INFO] [stderr]     Checking pango v0.15.2
[INFO] [stderr]     Checking cairo-rs v0.15.1
[INFO] [stderr]     Checking graphene-rs v0.15.1
[INFO] [stderr]     Checking gdk-pixbuf v0.15.4
[INFO] [stderr]     Checking gdk4 v0.4.6
[INFO] [stderr]     Checking gsk4 v0.4.6
[INFO] [stderr]     Checking gtk4 v0.4.6
[INFO] [stderr]     Checking pogo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Cell, RefCell};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `board` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout]  9 |     app: gtk::Application,
[INFO] [stdout] 10 |     board: Rc<RefCell<Board>>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Cell, RefCell};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `board` is never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout]  9 |     app: gtk::Application,
[INFO] [stdout] 10 |     board: Rc<RefCell<Board>>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32", kill_on_drop: false }`
[INFO] [stdout] 6ecd9261fc7c77060e4e2639e307956928e5d76de149f167c7ccfb77f4369a32
