[INFO] cloning repository https://github.com/krakotay/flib_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krakotay/flib_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakotay%2Fflib_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakotay%2Fflib_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d6ea39f332ebf28bdc7434b893dcfc02469839c
[INFO] checking krakotay/flib_rs 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%2Fkrakotay%2Fflib_rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krakotay/flib_rs
[INFO] finished tweaking git repo https://github.com/krakotay/flib_rs
[INFO] tweaked toml for git repo https://github.com/krakotay/flib_rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krakotay/flib_rs 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/krakotay/flib_rs 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] warning: `[project]` is deprecated in favor of `[package]`
[INFO] [stderr] warning: unused manifest key: build-system
[INFO] [stderr] warning: unused manifest key: project.classifiers
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9c09fad884e9b3eaaf08168fc7950995dc161b6bcaad0e8eec2e043c3b998a84
[INFO] running `Command { std: "docker" "start" "-a" "9c09fad884e9b3eaaf08168fc7950995dc161b6bcaad0e8eec2e043c3b998a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c09fad884e9b3eaaf08168fc7950995dc161b6bcaad0e8eec2e043c3b998a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c09fad884e9b3eaaf08168fc7950995dc161b6bcaad0e8eec2e043c3b998a84", kill_on_drop: false }`
[INFO] [stdout] 9c09fad884e9b3eaaf08168fc7950995dc161b6bcaad0e8eec2e043c3b998a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9676ac447b9ee476dd4d2d9c9e99c13360691a141c664fa8e5c1cbfb8f8c71c7
[INFO] running `Command { std: "docker" "start" "-a" "9676ac447b9ee476dd4d2d9c9e99c13360691a141c664fa8e5c1cbfb8f8c71c7", kill_on_drop: false }`
[INFO] [stderr] warning: `[project]` is deprecated in favor of `[package]`
[INFO] [stderr] warning: unused manifest key: build-system
[INFO] [stderr] warning: unused manifest key: project.classifiers
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.5
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling portable-atomic v1.8.0
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[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking ownedbytes v0.4.0
[INFO] [stderr]    Compiling toml_edit v0.22.21
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[INFO] [stderr]     Checking linux-raw-sys v0.4.14
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[INFO] [stderr]    Compiling pyo3-ffi v0.22.3
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[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.76+curl-8.10.1
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.3
[INFO] [stderr]    Compiling pyo3 v0.22.3
[INFO] [stderr]    Compiling anyhow v1.0.89
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[INFO] [stderr]     Checking combine v4.6.7
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[INFO] [stderr]     Checking env_filter v0.1.2
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[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
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[INFO] [stderr]     Checking lz4_flex v0.9.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking tantivy-query-grammar v0.19.0
[INFO] [stderr]    Compiling async-trait v0.1.82
[INFO] [stderr]    Compiling pyo3-macros v0.22.3
[INFO] [stderr]     Checking fail v0.5.1
[INFO] [stderr]     Checking zstd v0.13.2
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking partialzip v5.0.0
[INFO] [stderr]     Checking tantivy v0.19.2
[INFO] [stderr]     Checking flib_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `FlibRS::__pymethod___new____::SIGNATURE`: this function has implicit defaults for the trailing `Option<T>` arguments 
[INFO] [stdout]          = note: these implicit defaults are being phased out 
[INFO] [stdout]          = help: add `#[pyo3(signature = (index_path, zip_archives_dir=None))]` to this function to silence this warning and keep the current behavior
[INFO] [stdout]    --> src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn new(index_path: String, zip_archives_dir: Option<String>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `FlibRS::__pymethod___new____::SIGNATURE`: this function has implicit defaults for the trailing `Option<T>` arguments 
[INFO] [stdout]          = note: these implicit defaults are being phased out 
[INFO] [stdout]          = help: add `#[pyo3(signature = (index_path, zip_archives_dir=None))]` to this function to silence this warning and keep the current behavior
[INFO] [stdout]    --> src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn new(index_path: String, zip_archives_dir: Option<String>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:547:31
[INFO] [stdout]     |
[INFO] [stdout] 547 |     fn index_exists(&self) -> bool {
[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<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:547:31
[INFO] [stdout]     |
[INFO] [stdout] 547 |     fn index_exists(&self) -> bool {
[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 `flib_rs` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flib_rs` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9676ac447b9ee476dd4d2d9c9e99c13360691a141c664fa8e5c1cbfb8f8c71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9676ac447b9ee476dd4d2d9c9e99c13360691a141c664fa8e5c1cbfb8f8c71c7", kill_on_drop: false }`
[INFO] [stdout] 9676ac447b9ee476dd4d2d9c9e99c13360691a141c664fa8e5c1cbfb8f8c71c7