[INFO] cloning repository https://github.com/anvlkv/cellular-automaton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anvlkv/cellular-automaton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvlkv%2Fcellular-automaton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvlkv%2Fcellular-automaton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a094453d22e8bfa50c5171cc6f3d909235f9057
[INFO] checking anvlkv/cellular-automaton against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvlkv%2Fcellular-automaton" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/anvlkv/cellular-automaton
[INFO] finished tweaking git repo https://github.com/anvlkv/cellular-automaton
[INFO] tweaked toml for git repo https://github.com/anvlkv/cellular-automaton written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anvlkv/cellular-automaton on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anvlkv/cellular-automaton 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 168a5f19f14ad3d350e2fa9aec2d3335ac67ceb012ea4964d9b7202ef6b69a00
[INFO] running `Command { std: "docker" "start" "-a" "168a5f19f14ad3d350e2fa9aec2d3335ac67ceb012ea4964d9b7202ef6b69a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168a5f19f14ad3d350e2fa9aec2d3335ac67ceb012ea4964d9b7202ef6b69a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168a5f19f14ad3d350e2fa9aec2d3335ac67ceb012ea4964d9b7202ef6b69a00", kill_on_drop: false }`
[INFO] [stdout] 168a5f19f14ad3d350e2fa9aec2d3335ac67ceb012ea4964d9b7202ef6b69a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ccd98c5c8e774f7adce2af6aca574e21fb7d617310445a94c7da8961ec4f9a9
[INFO] running `Command { std: "docker" "start" "-a" "0ccd98c5c8e774f7adce2af6aca574e21fb7d617310445a94c7da8961ec4f9a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
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[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.67.1
[INFO] [stderr]     Checking cellular-automaton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world_controller.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if let Some(mut cell) = self.cursor.as_mut() {
[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/world_controller.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if let Some(mut cell) = self.cursor.as_mut() {
[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: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/world.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let x: f64 = ApproxFrom::<usize>::approx_from(col).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/world.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let y: f64 = ApproxFrom::<usize>::approx_from(row).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             f64::value_from(r).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             f64::value_from(g).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             f64::value_from(b).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             f64::value_from(a).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/world.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let x: f64 = ApproxFrom::<usize>::approx_from(col).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/world.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let y: f64 = ApproxFrom::<usize>::approx_from(row).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             f64::value_from(r).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             f64::value_from(g).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             f64::value_from(b).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, conv::NoError>
[INFO] [stdout]   --> src/cell.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             f64::value_from(a).unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cellular-automaton` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cellular-automaton` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0ccd98c5c8e774f7adce2af6aca574e21fb7d617310445a94c7da8961ec4f9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccd98c5c8e774f7adce2af6aca574e21fb7d617310445a94c7da8961ec4f9a9", kill_on_drop: false }`
[INFO] [stdout] 0ccd98c5c8e774f7adce2af6aca574e21fb7d617310445a94c7da8961ec4f9a9
