[INFO] cloning repository https://github.com/asuyou/selfmine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asuyou/selfmine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasuyou%2Fselfmine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasuyou%2Fselfmine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46a9dcbf6a9c4d2d52c27caa0a0676a6fe09d7ff
[INFO] checking asuyou/selfmine against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasuyou%2Fselfmine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asuyou/selfmine
[INFO] finished tweaking git repo https://github.com/asuyou/selfmine
[INFO] tweaked toml for git repo https://github.com/asuyou/selfmine written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asuyou/selfmine on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asuyou/selfmine 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5141a4caa42d3b5ea96d2a3b53c552bf7c42de7bad1664a236b1d778a001c35a
[INFO] running `Command { std: "docker" "start" "-a" "5141a4caa42d3b5ea96d2a3b53c552bf7c42de7bad1664a236b1d778a001c35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5141a4caa42d3b5ea96d2a3b53c552bf7c42de7bad1664a236b1d778a001c35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5141a4caa42d3b5ea96d2a3b53c552bf7c42de7bad1664a236b1d778a001c35a", kill_on_drop: false }`
[INFO] [stdout] 5141a4caa42d3b5ea96d2a3b53c552bf7c42de7bad1664a236b1d778a001c35a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980b79d7412e5649b090d3f51d0aa365f8146803006d54b129487bf50bf4ad81
[INFO] running `Command { std: "docker" "start" "-a" "980b79d7412e5649b090d3f51d0aa365f8146803006d54b129487bf50bf4ad81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking selfmine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `total_mines` is never read
[INFO] [stdout]   --> src/game.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub total_mines: usize,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_neighbors_open` is never used
[INFO] [stdout]    --> src/game.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |   pub fn iter_neighbors_open(&mut self, pos: Position) -> impl Iterator<Item = Position> + '_ {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_mines` is never read
[INFO] [stdout]   --> src/game.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub total_mines: usize,
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_neighbors_open` is never used
[INFO] [stdout]    --> src/game.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |   pub fn iter_neighbors_open(&mut self, pos: Position) -> impl Iterator<Item = Position> + '_ {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "980b79d7412e5649b090d3f51d0aa365f8146803006d54b129487bf50bf4ad81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980b79d7412e5649b090d3f51d0aa365f8146803006d54b129487bf50bf4ad81", kill_on_drop: false }`
[INFO] [stdout] 980b79d7412e5649b090d3f51d0aa365f8146803006d54b129487bf50bf4ad81