[INFO] cloning repository https://github.com/Niedzwiedzw/betrayal_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/betrayal_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fbetrayal_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fbetrayal_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b311cc2d55ac65230b8e3ec96e80c1e80fe21af
[INFO] checking Niedzwiedzw/betrayal_engine 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%2FNiedzwiedzw%2Fbetrayal_engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Niedzwiedzw/betrayal_engine
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/betrayal_engine
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/betrayal_engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Niedzwiedzw/betrayal_engine 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/Niedzwiedzw/betrayal_engine 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6a5937f55646492f3f93eae5b9d4e6a5ca3f0e44c6a368137178fb9fcadab911
[INFO] running `Command { std: "docker" "start" "-a" "6a5937f55646492f3f93eae5b9d4e6a5ca3f0e44c6a368137178fb9fcadab911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5937f55646492f3f93eae5b9d4e6a5ca3f0e44c6a368137178fb9fcadab911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5937f55646492f3f93eae5b9d4e6a5ca3f0e44c6a368137178fb9fcadab911", kill_on_drop: false }`
[INFO] [stdout] 6a5937f55646492f3f93eae5b9d4e6a5ca3f0e44c6a368137178fb9fcadab911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ec490a9fe5ce83e2a8c6032f8aa0e0b241f430395b240778e10b0e240926760f
[INFO] running `Command { std: "docker" "start" "-a" "ec490a9fe5ce83e2a8c6032f8aa0e0b241f430395b240778e10b0e240926760f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking thin-vec v0.2.14
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[INFO] [stderr]     Checking flate2 v1.1.1
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[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking procmaps v0.4.1
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling ext-trait-proc_macros v2.0.0
[INFO] [stderr]     Checking ext-trait v2.0.0
[INFO] [stderr]     Checking extension-traits v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling rhai_codegen v2.2.0
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rhai v1.21.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking petgraph v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking betrayal_engine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> examples/test-program.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         take_input::<String>("").unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `betrayal_engine` (example "test-program") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `windowed` is never used
[INFO] [stdout]  --> src/helpers.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn windowed<'b, 'a: 'b, T>(collection: &'a [T], size: usize) -> impl Iterator<Item = &'a [T]> + 'b {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IteratorChunkWhileExt` is never used
[INFO] [stdout]  --> src/helpers/chunk_while.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[extension_traits::extension(pub trait IteratorChunkWhileExt)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChunkWhile` is never constructed
[INFO] [stdout]   --> src/helpers/chunk_while.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ChunkWhile<I: Iterator, F> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/helpers/chunk_while.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<I, F> ChunkWhile<I, F>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     I: Iterator,
[INFO] [stdout] 24 | |     F: FnMut(&[I::Item]) -> bool,
[INFO] [stdout]    | |_________________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |       pub fn new(iter: I, chunk_while: F) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeighbourValuesQuery` is never constructed
[INFO] [stdout]  --> src/neighbour_values.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NeighbourValuesQuery<T: ReadFromBytes> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeighbourValues` is never constructed
[INFO] [stdout]   --> src/neighbour_values.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct NeighbourValues<T: ReadFromBytes> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeighbourValuesQuery` is never constructed
[INFO] [stdout]  --> src/neighbour_values.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NeighbourValuesQuery<T: ReadFromBytes> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NeighbourValues` is never constructed
[INFO] [stdout]   --> src/neighbour_values.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct NeighbourValues<T: ReadFromBytes> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec490a9fe5ce83e2a8c6032f8aa0e0b241f430395b240778e10b0e240926760f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec490a9fe5ce83e2a8c6032f8aa0e0b241f430395b240778e10b0e240926760f", kill_on_drop: false }`
[INFO] [stdout] ec490a9fe5ce83e2a8c6032f8aa0e0b241f430395b240778e10b0e240926760f
