[INFO] fetching crate crossflow 0.0.4...
[INFO] checking crossflow-0.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate crossflow 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate crossflow 0.0.4
[INFO] finished tweaking crates.io crate crossflow 0.0.4
[INFO] tweaked toml for crates.io crate crossflow 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crossflow 0.0.4 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 crates.io crate crossflow 0.0.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9d1b8fac61b14b685cd9ea9b7cb073be5ef9024d2f3103ec715d3c3be8b9e786
[INFO] running `Command { std: "docker" "start" "-a" "9d1b8fac61b14b685cd9ea9b7cb073be5ef9024d2f3103ec715d3c3be8b9e786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1b8fac61b14b685cd9ea9b7cb073be5ef9024d2f3103ec715d3c3be8b9e786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1b8fac61b14b685cd9ea9b7cb073be5ef9024d2f3103ec715d3c3be8b9e786", kill_on_drop: false }`
[INFO] [stdout] 9d1b8fac61b14b685cd9ea9b7cb073be5ef9024d2f3103ec715d3c3be8b9e786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e639a81a68c3b344cef5bb0bccb7fd1ea5b47301b7880314c33241dad65e702e
[INFO] running `Command { std: "docker" "start" "-a" "e639a81a68c3b344cef5bb0bccb7fd1ea5b47301b7880314c33241dad65e702e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking disqualified v1.0.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking nonmax v0.5.5
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking nix v0.30.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]     Checking regex-syntax v0.8.7
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crossflow v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking ctrlc v3.5.0
[INFO] [stderr]     Checking bevy_platform v0.16.1
[INFO] [stderr]     Checking bevy_utils v0.16.1
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling bevy_macro_utils v0.16.1
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling bevy_reflect_derive v0.16.1
[INFO] [stderr]    Compiling assert_type_match v0.1.1
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling bevy_ecs_macros v0.16.1
[INFO] [stderr]    Compiling bevy_derive v0.16.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling test-log-macros v0.2.18
[INFO] [stderr]    Compiling crossflow_derive v0.0.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking test-log v0.2.18
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking bevy_tasks v0.16.1
[INFO] [stderr]     Checking bevy_reflect v0.16.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking bevy_ecs v0.16.1
[INFO] [stderr]     Checking bevy_app v0.16.1
[INFO] [stderr]     Checking bevy_time v0.16.1
[INFO] [stderr]     Checking bevy_diagnostic v0.16.1
[INFO] [stdout] warning: enum `Never` is never used
[INFO] [stdout]   --> src/utils.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub(crate) enum Never {}
[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 `TestDeriveWithConfig` is never constructed
[INFO] [stdout]    --> src/buffer/buffer_map.rs:970:12
[INFO] [stdout]     |
[INFO] [stdout] 970 |     struct TestDeriveWithConfig {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Never` is never used
[INFO] [stdout]   --> src/utils.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub(crate) enum Never {}
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<StreamMapOutcome, std::convert::Infallible>
[INFO] [stdout]     --> src/stream.rs:1169:41
[INFO] [stdout]      |
[INFO] [stdout] 1169 |         let outcome: StreamMapOutcome = recipient.try_into().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 `crossflow` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e639a81a68c3b344cef5bb0bccb7fd1ea5b47301b7880314c33241dad65e702e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e639a81a68c3b344cef5bb0bccb7fd1ea5b47301b7880314c33241dad65e702e", kill_on_drop: false }`
[INFO] [stdout] e639a81a68c3b344cef5bb0bccb7fd1ea5b47301b7880314c33241dad65e702e