[INFO] fetching crate kairoi 0.2.3...
[INFO] checking kairoi-0.2.3 against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] extracting crate kairoi 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate kairoi 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kairoi 0.2.3
[INFO] tweaked toml for crates.io crate kairoi 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kairoi 0.2.3 on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kairoi 0.2.3 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `kairoi` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e
[INFO] running `Command { std: "docker" "start" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `kairoi` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling kairoi-macros v0.2.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking kairoi v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `begin` is never read
[INFO] [stdout]    --> src/handler.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 | /                     #[allow(unused_assignments)]
[INFO] [stdout] 102 | |                     begin = i;
[INFO] [stdout]     | |_____________________________^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 107 |               begin = handlers.len();
[INFO] [stdout]     |               ---------------------- `begin` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `async_fn_traits` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `begin` is never read
[INFO] [stdout]    --> src/handler.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 | /                     #[allow(unused_assignments)]
[INFO] [stdout] 102 | |                     begin = i;
[INFO] [stdout]     | |_____________________________^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 107 |               begin = handlers.len();
[INFO] [stdout]     |               ---------------------- `begin` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `async_fn_traits` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e", kill_on_drop: false }`
[INFO] [stdout] 86f9b28eec75949ba2e3207a1aacbd547e26f1925087b6edc6b45c387f50759e