[INFO] cloning repository https://github.com/Miha-x64/Flag-n-Sweep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Miha-x64/Flag-n-Sweep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiha-x64%2FFlag-n-Sweep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiha-x64%2FFlag-n-Sweep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d971eee166d3d62396acd93e060d24e1c57a243
[INFO] building Miha-x64/Flag-n-Sweep against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiha-x64%2FFlag-n-Sweep" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Miha-x64/Flag-n-Sweep on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Miha-x64/Flag-n-Sweep
[INFO] finished tweaking git repo https://github.com/Miha-x64/Flag-n-Sweep
[INFO] tweaked toml for git repo https://github.com/Miha-x64/Flag-n-Sweep written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Miha-x64/Flag-n-Sweep 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-matrix v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef9f7ecb29304aae3e75965d9e8007128d11bd0682d3665be9c098caefb2b8c
[INFO] running `Command { std: "docker" "start" "-a" "1ef9f7ecb29304aae3e75965d9e8007128d11bd0682d3665be9c098caefb2b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef9f7ecb29304aae3e75965d9e8007128d11bd0682d3665be9c098caefb2b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef9f7ecb29304aae3e75965d9e8007128d11bd0682d3665be9c098caefb2b8c", kill_on_drop: false }`
[INFO] [stdout] 1ef9f7ecb29304aae3e75965d9e8007128d11bd0682d3665be9c098caefb2b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ffb4054807c4270aa8836e62663633563a96f5857aeaa606e12dc58359660f
[INFO] running `Command { std: "docker" "start" "-a" "e0ffb4054807c4270aa8836e62663633563a96f5857aeaa606e12dc58359660f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling generic-matrix v0.1.0
[INFO] [stderr]    Compiling mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]   --> src/matrix.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CellMut<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub value: &'a mut T,
[INFO] [stdout] 14 |     pub y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub x: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]  --> src/matrix.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Cell<'a, T> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     pub value: &'a T,
[INFO] [stdout] 8 |     pub y: usize,
[INFO] [stdout]   |         ^
[INFO] [stdout] 9 |     pub x: usize,
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]   --> src/matrix.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CellMut<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub value: &'a mut T,
[INFO] [stdout] 14 |     pub y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub x: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count_around_of`, `count_around_not`, and `replace_around` are never used
[INFO] [stdout]   --> src/matrix.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait MatrixExtPartEq<T: PartialEq + Copy> {
[INFO] [stdout]    |           --------------- methods in this trait
[INFO] [stdout] 31 |     fn count_around_of(&self, y: usize, x: usize, corners: bool, needle: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     fn count_around_not(&self, y: usize, x: usize, corners: bool, needle: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     fn replace_around(&mut self, y: usize, x: usize, corners: bool, what: T, with: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "e0ffb4054807c4270aa8836e62663633563a96f5857aeaa606e12dc58359660f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ffb4054807c4270aa8836e62663633563a96f5857aeaa606e12dc58359660f", kill_on_drop: false }`
[INFO] [stdout] e0ffb4054807c4270aa8836e62663633563a96f5857aeaa606e12dc58359660f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab993ccdf82b311e77650ce0dc3ae4d6caae264650a4e1ea845716808b0a439
[INFO] running `Command { std: "docker" "start" "-a" "2ab993ccdf82b311e77650ce0dc3ae4d6caae264650a4e1ea845716808b0a439", kill_on_drop: false }`
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]   --> src/matrix.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CellMut<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub value: &'a mut T,
[INFO] [stdout] 14 |     pub y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub x: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]  --> src/matrix.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Cell<'a, T> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     pub value: &'a T,
[INFO] [stdout] 8 |     pub y: usize,
[INFO] [stdout]   |         ^
[INFO] [stdout] 9 |     pub x: usize,
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]   --> src/matrix.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CellMut<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub value: &'a mut T,
[INFO] [stdout] 14 |     pub y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub x: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count_around_of`, `count_around_not`, and `replace_around` are never used
[INFO] [stdout]   --> src/matrix.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait MatrixExtPartEq<T: PartialEq + Copy> {
[INFO] [stdout]    |           --------------- methods in this trait
[INFO] [stdout] 31 |     fn count_around_of(&self, y: usize, x: usize, corners: bool, needle: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     fn count_around_not(&self, y: usize, x: usize, corners: bool, needle: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     fn replace_around(&mut self, y: usize, x: usize, corners: bool, what: T, with: T) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `x` are never read
[INFO] [stdout]   --> src/matrix.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CellMut<'a, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub value: &'a mut T,
[INFO] [stdout] 14 |     pub y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub x: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2ab993ccdf82b311e77650ce0dc3ae4d6caae264650a4e1ea845716808b0a439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab993ccdf82b311e77650ce0dc3ae4d6caae264650a4e1ea845716808b0a439", kill_on_drop: false }`
[INFO] [stdout] 2ab993ccdf82b311e77650ce0dc3ae4d6caae264650a4e1ea845716808b0a439