[INFO] cloning repository https://github.com/zeng-y-l/flat_bit_set [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeng-y-l/flat_bit_set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeng-y-l%2Fflat_bit_set", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeng-y-l%2Fflat_bit_set'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 718a241ee7317858b387e699148e2ed775cd464b [INFO] checking zeng-y-l/flat_bit_set 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%2Fzeng-y-l%2Fflat_bit_set" "/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/zeng-y-l/flat_bit_set [INFO] finished tweaking git repo https://github.com/zeng-y-l/flat_bit_set [INFO] tweaked toml for git repo https://github.com/zeng-y-l/flat_bit_set written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zeng-y-l/flat_bit_set 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/zeng-y-l/flat_bit_set 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-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] b78e27cd01010eb22117cf67f5055e5e9f2971e7c91b3ff74c97b8de79cac67f [INFO] running `Command { std: "docker" "start" "-a" "b78e27cd01010eb22117cf67f5055e5e9f2971e7c91b3ff74c97b8de79cac67f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b78e27cd01010eb22117cf67f5055e5e9f2971e7c91b3ff74c97b8de79cac67f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b78e27cd01010eb22117cf67f5055e5e9f2971e7c91b3ff74c97b8de79cac67f", kill_on_drop: false }` [INFO] [stdout] b78e27cd01010eb22117cf67f5055e5e9f2971e7c91b3ff74c97b8de79cac67f [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] c5ec43475b28b0f809a41bd80d39a042b402c2ea7f3b34ed8434fe976c993f1a [INFO] running `Command { std: "docker" "start" "-a" "c5ec43475b28b0f809a41bd80d39a042b402c2ea7f3b34ed8434fe976c993f1a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Compiling libm v0.2.11 [INFO] [stderr] Compiling rustix v0.38.40 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking fastrand v2.2.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking bytemuck v1.19.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking clap_lex v0.7.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking bitmaps v3.2.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking safe_arch v0.7.2 [INFO] [stderr] Checking roaring v0.10.6 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Checking clap_builder v4.5.21 [INFO] [stderr] Checking flat_bit_set v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/inner/mod.rs:541:25 [INFO] [stdout] | [INFO] [stdout] 541 | let cap = match self.try_zip_fold_chunks::<_, Infallible>( [INFO] [stdout] | _________________________^ [INFO] [stdout] 542 | | other, [INFO] [stdout] 543 | | mid, [INFO] [stdout] 544 | | |n, _, _| Ok(n), [INFO] [stdout] 545 | | |n, _, c2| Ok(n + usize::from(O::second(c2) != C::ZERO)), [INFO] [stdout] 546 | | |n, _, _, _| Ok(n), [INFO] [stdout] 547 | | ) { [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/inner/mod.rs:544:23 [INFO] [stdout] | [INFO] [stdout] 544 | |n, _, _| Ok(n), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/inner/mod.rs:545:24 [INFO] [stdout] | [INFO] [stdout] 545 | |n, _, c2| Ok(n + usize::from(O::second(c2) != C::ZERO)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/inner/mod.rs:546:26 [INFO] [stdout] | [INFO] [stdout] 546 | |n, _, _, _| Ok(n), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/inner/mod.rs:577:15 [INFO] [stdout] | [INFO] [stdout] 577 | fn chunks(&self) -> IterChunk { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 577 | fn chunks(&self) -> IterChunk<'_, K, C> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/inner/mod.rs:590:17 [INFO] [stdout] | [INFO] [stdout] 590 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 590 | pub fn iter(&self) -> Iter<'_, K, C> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/inner/mod.rs:597:18 [INFO] [stdout] | [INFO] [stdout] 597 | pub fn thunk(&self) -> Thunk> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 597 | pub fn thunk(&self) -> Thunk> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flat_bit_set` (lib) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c5ec43475b28b0f809a41bd80d39a042b402c2ea7f3b34ed8434fe976c993f1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ec43475b28b0f809a41bd80d39a042b402c2ea7f3b34ed8434fe976c993f1a", kill_on_drop: false }` [INFO] [stdout] c5ec43475b28b0f809a41bd80d39a042b402c2ea7f3b34ed8434fe976c993f1a