[INFO] cloning repository https://github.com/timo-obrecht/good-enough-hash [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timo-obrecht/good-enough-hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimo-obrecht%2Fgood-enough-hash", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimo-obrecht%2Fgood-enough-hash'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7910be80f6f980ea259a83efdffe3f140a5c4401 [INFO] checking timo-obrecht/good-enough-hash 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%2Ftimo-obrecht%2Fgood-enough-hash" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/timo-obrecht/good-enough-hash [INFO] finished tweaking git repo https://github.com/timo-obrecht/good-enough-hash [INFO] tweaked toml for git repo https://github.com/timo-obrecht/good-enough-hash written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/timo-obrecht/good-enough-hash 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/timo-obrecht/good-enough-hash 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-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] 80784f78bb6d61e342fe0603f2ae866a63e9f026b00ef827b2cedc21f3002e2b [INFO] running `Command { std: "docker" "start" "-a" "80784f78bb6d61e342fe0603f2ae866a63e9f026b00ef827b2cedc21f3002e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80784f78bb6d61e342fe0603f2ae866a63e9f026b00ef827b2cedc21f3002e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80784f78bb6d61e342fe0603f2ae866a63e9f026b00ef827b2cedc21f3002e2b", kill_on_drop: false }` [INFO] [stdout] 80784f78bb6d61e342fe0603f2ae866a63e9f026b00ef827b2cedc21f3002e2b [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] 6dfc6870be1ac58fb9b5a617691ae763386af1d561b4b58a3d2a7039242b3a89 [INFO] running `Command { std: "docker" "start" "-a" "6dfc6870be1ac58fb9b5a617691ae763386af1d561b4b58a3d2a7039242b3a89", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.12.16 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking unindent v0.2.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling pyo3-build-config v0.23.3 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling pyo3-ffi v0.23.3 [INFO] [stderr] Compiling pyo3-macros-backend v0.23.3 [INFO] [stderr] Compiling pyo3 v0.23.3 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling pyo3-macros v0.23.3 [INFO] [stderr] Checking perfect_hash v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pyo3::ffi::PyErr_CheckSignals` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use pyo3::ffi::PyErr_CheckSignals; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::simd::num::SimdUint` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::simd::num::SimdUint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log2_ceil` is never used [INFO] [stdout] --> src/lib.rs:209:4 [INFO] [stdout] | [INFO] [stdout] 209 | fn log2_ceil(x: usize) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<(usize, Vec, Vec, Vec), Infallible> [INFO] [stdout] --> src/lib.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | fn dump(&self) -> (usize, Vec,Vec, Vec) { [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:184:34 [INFO] [stdout] | [INFO] [stdout] 184 | fn hash(&self, key: &str) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:196:53 [INFO] [stdout] | [INFO] [stdout] 196 | fn __call__(&self, key: Bound<'_, PyString>) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:286:75 [INFO] [stdout] | [INFO] [stdout] 286 | fn from_args(ng: usize, f1: Vec, f2: Vec, indices: Vec) -> Hash { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `perfect_hash` (lib test) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `std::simd::num::SimdUint` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::simd::num::SimdUint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `log2_ceil` is never used [INFO] [stdout] --> src/lib.rs:209:4 [INFO] [stdout] | [INFO] [stdout] 209 | fn log2_ceil(x: usize) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<(usize, Vec, Vec, Vec), Infallible> [INFO] [stdout] --> src/lib.rs:178:23 [INFO] [stdout] | [INFO] [stdout] 178 | fn dump(&self) -> (usize, Vec,Vec, Vec) { [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:184:34 [INFO] [stdout] | [INFO] [stdout] 184 | fn hash(&self, key: &str) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:196:53 [INFO] [stdout] | [INFO] [stdout] 196 | fn __call__(&self, key: Bound<'_, PyString>) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:286:75 [INFO] [stdout] | [INFO] [stdout] 286 | fn from_args(ng: usize, f1: Vec, f2: Vec, indices: Vec) -> Hash { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `perfect_hash` (lib) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6dfc6870be1ac58fb9b5a617691ae763386af1d561b4b58a3d2a7039242b3a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dfc6870be1ac58fb9b5a617691ae763386af1d561b4b58a3d2a7039242b3a89", kill_on_drop: false }` [INFO] [stdout] 6dfc6870be1ac58fb9b5a617691ae763386af1d561b4b58a3d2a7039242b3a89