[INFO] cloning repository https://github.com/DOhlsson/life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DOhlsson/life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDOhlsson%2Flife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDOhlsson%2Flife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be8a85429aa1e3eccd69a77e0078dc39be6115dd
[INFO] checking DOhlsson/life against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDOhlsson%2Flife" "/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/DOhlsson/life
[INFO] finished tweaking git repo https://github.com/DOhlsson/life
[INFO] tweaked toml for git repo https://github.com/DOhlsson/life written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DOhlsson/life on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DOhlsson/life 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95e9521cbb00f900bd75a5fa343aa414f5aca0f81fbd563a5c9b30dc7a40a3d5
[INFO] running `Command { std: "docker" "start" "-a" "95e9521cbb00f900bd75a5fa343aa414f5aca0f81fbd563a5c9b30dc7a40a3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e9521cbb00f900bd75a5fa343aa414f5aca0f81fbd563a5c9b30dc7a40a3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e9521cbb00f900bd75a5fa343aa414f5aca0f81fbd563a5c9b30dc7a40a3d5", kill_on_drop: false }`
[INFO] [stdout] 95e9521cbb00f900bd75a5fa343aa414f5aca0f81fbd563a5c9b30dc7a40a3d5
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd15cbae4782ef1abbed6e9a6251fe5697933c81f33f0e28f9c29beb2c86d505
[INFO] running `Command { std: "docker" "start" "-a" "bd15cbae4782ef1abbed6e9a6251fe5697933c81f33f0e28f9c29beb2c86d505", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling sdl2 v0.34.4
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking life v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut data = LifeMatrix::new(cols, rows);
[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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/life_matrix/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut matrix = LifeMatrix::new(8, 8);
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/life_matrix/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LifeMatrix {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `context` and `scale` are never read
[INFO] [stdout]   --> src/mysdl.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct MySdl {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  7 |     pub context: sdl2::Sdl,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub scale: f32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fpos` and `set` are never used
[INFO] [stdout]   --> src/mysdl.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Camera {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn fpos(&self) -> (f32, f32) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn set(&mut self, x: f32, y: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/game.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         drop(next_data);
[INFO] [stdout]     |         ^^^^^---------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut life_matrix::LifeMatrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 290 -         drop(next_data);
[INFO] [stdout] 290 +         let _ = next_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut data = LifeMatrix::new(cols, rows);
[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] warning: field `size` is never read
[INFO] [stdout]  --> src/life_matrix/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LifeMatrix {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 4 |     size: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `context` and `scale` are never read
[INFO] [stdout]   --> src/mysdl.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct MySdl {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  7 |     pub context: sdl2::Sdl,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub scale: f32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fpos` and `set` are never used
[INFO] [stdout]   --> src/mysdl.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Camera {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn fpos(&self) -> (f32, f32) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn set(&mut self, x: f32, y: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/game.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         drop(next_data);
[INFO] [stdout]     |         ^^^^^---------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut LifeMatrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 290 -         drop(next_data);
[INFO] [stdout] 290 +         let _ = next_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "bd15cbae4782ef1abbed6e9a6251fe5697933c81f33f0e28f9c29beb2c86d505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd15cbae4782ef1abbed6e9a6251fe5697933c81f33f0e28f9c29beb2c86d505", kill_on_drop: false }`
[INFO] [stdout] bd15cbae4782ef1abbed6e9a6251fe5697933c81f33f0e28f9c29beb2c86d505
