[INFO] fetching crate faststr 0.2.32... [INFO] checking faststr-0.2.32 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate faststr 0.2.32 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate faststr 0.2.32 [INFO] finished tweaking crates.io crate faststr 0.2.32 [INFO] tweaked toml for crates.io crate faststr 0.2.32 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate faststr 0.2.32 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 faststr 0.2.32 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 850758c85b3c619734a0b52263d247c7441684579a1b4ffad653cb531ee31ffc [INFO] running `Command { std: "docker" "start" "-a" "850758c85b3c619734a0b52263d247c7441684579a1b4ffad653cb531ee31ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "850758c85b3c619734a0b52263d247c7441684579a1b4ffad653cb531ee31ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "850758c85b3c619734a0b52263d247c7441684579a1b4ffad653cb531ee31ffc", kill_on_drop: false }` [INFO] [stdout] 850758c85b3c619734a0b52263d247c7441684579a1b4ffad653cb531ee31ffc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b180f21023127118f63559c8c86b5fa845b38f104fa670c1ca97ea9f6bf9a77 [INFO] running `Command { std: "docker" "start" "-a" "2b180f21023127118f63559c8c86b5fa845b38f104fa670c1ca97ea9f6bf9a77", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.1 [INFO] [stderr] Compiling bigdecimal v0.4.8 [INFO] [stderr] Compiling yansi v1.0.1 [INFO] [stderr] Compiling time-core v0.1.4 [INFO] [stderr] Compiling rust_decimal v1.37.2 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling thiserror v2.0.16 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking clap_builder v4.5.44 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking ordered-float v4.6.0 [INFO] [stderr] Compiling time-macros v0.2.22 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Checking simdutf8 v0.1.5 [INFO] [stderr] Checking faststr v0.2.32 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:515:56 [INFO] [stdout] | [INFO] [stdout] 515 | fn from_str(s: &str) -> Result { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 516 | | Ok(FastStr::new(s)) [INFO] [stdout] 517 | | } [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 [INFO] [stdout] --> src/lib.rs:516:9 [INFO] [stdout] | [INFO] [stdout] 516 | Ok(FastStr::new(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `faststr` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2b180f21023127118f63559c8c86b5fa845b38f104fa670c1ca97ea9f6bf9a77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b180f21023127118f63559c8c86b5fa845b38f104fa670c1ca97ea9f6bf9a77", kill_on_drop: false }` [INFO] [stdout] 2b180f21023127118f63559c8c86b5fa845b38f104fa670c1ca97ea9f6bf9a77