[INFO] cloning repository https://github.com/jtrefon/blt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtrefon/blt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtrefon%2Fblt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtrefon%2Fblt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64ea363400be5d537d686786c017dad23482906e
[INFO] checking jtrefon/blt 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%2Fjtrefon%2Fblt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jtrefon/blt
[INFO] finished tweaking git repo https://github.com/jtrefon/blt
[INFO] tweaked toml for git repo https://github.com/jtrefon/blt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtrefon/blt 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/jtrefon/blt 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d12d37dea388e170645d1ee8b9be2cec24748581c83c39af4c656af081d36254
[INFO] running `Command { std: "docker" "start" "-a" "d12d37dea388e170645d1ee8b9be2cec24748581c83c39af4c656af081d36254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12d37dea388e170645d1ee8b9be2cec24748581c83c39af4c656af081d36254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12d37dea388e170645d1ee8b9be2cec24748581c83c39af4c656af081d36254", kill_on_drop: false }`
[INFO] [stdout] d12d37dea388e170645d1ee8b9be2cec24748581c83c39af4c656af081d36254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 57920cf7b6ca95250ab5bda879e3f8dd4fdd453f774bb4fa5b01994e4ac80a9b
[INFO] running `Command { std: "docker" "start" "-a" "57920cf7b6ca95250ab5bda879e3f8dd4fdd453f774bb4fa5b01994e4ac80a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking blt_core v0.2.2 (/opt/rustwide/workdir/blt_core)
[INFO] [stderr]     Checking blt v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking blt_python v0.2.2 (/opt/rustwide/workdir/blt_python)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> blt_python/src/lib.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn version() -> String {
[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<String, Infallible>
[INFO] [stdout]    --> blt_python/src/lib.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn version() -> String {
[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 `blt_python` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blt_python` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "57920cf7b6ca95250ab5bda879e3f8dd4fdd453f774bb4fa5b01994e4ac80a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57920cf7b6ca95250ab5bda879e3f8dd4fdd453f774bb4fa5b01994e4ac80a9b", kill_on_drop: false }`
[INFO] [stdout] 57920cf7b6ca95250ab5bda879e3f8dd4fdd453f774bb4fa5b01994e4ac80a9b