[INFO] fetching crate lake 0.2.0... [INFO] checking lake-0.2.0 against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-2 [INFO] extracting crate lake 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate lake 0.2.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate lake 0.2.0 [INFO] tweaked toml for crates.io crate lake 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lake 0.2.0 on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate lake 0.2.0 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a05d2d851285d7385933adc8d26bdd8c08a6177250b73897dce138f5a93781ab [INFO] running `Command { std: "docker" "start" "-a" "a05d2d851285d7385933adc8d26bdd8c08a6177250b73897dce138f5a93781ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a05d2d851285d7385933adc8d26bdd8c08a6177250b73897dce138f5a93781ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a05d2d851285d7385933adc8d26bdd8c08a6177250b73897dce138f5a93781ab", kill_on_drop: false }` [INFO] [stdout] a05d2d851285d7385933adc8d26bdd8c08a6177250b73897dce138f5a93781ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f870a31d4b32d149060523afa9054221bcdece26ea5324b0ea7b15daae25af2 [INFO] running `Command { std: "docker" "start" "-a" "9f870a31d4b32d149060523afa9054221bcdece26ea5324b0ea7b15daae25af2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking clap_builder v4.5.41 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling libmimalloc-sys v0.1.43 [INFO] [stderr] Checking bump-scope v0.17.4 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking scoped-arena v0.4.1 [INFO] [stderr] Checking bumpalo v3.19.0 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking clap v4.5.41 [INFO] [stderr] Checking lake v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::droplet::Droplet` [INFO] [stdout] --> src/lake/droplet/droplet_dyn.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::droplet::Droplet; [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 imports: `_MM_HINT_T0` and `_mm_prefetch` [INFO] [stdout] --> src/lake/memory/writer.rs:1:101 [INFO] [stdout] | [INFO] [stdout] 1 | ...256, _mm256_storeu_si256, _mm_loadu_si128, _mm_prefetch, _mm_storeu_si128, _MM_HINT_T0}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lake/droplet/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/lake/lake/lake_view.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a, const SIZE: usize> LakeView<'a, SIZE> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 101 | lake, [INFO] [stdout] | ^^^^ this usage requires that `'a` must outlive `'static` [INFO] [stdout] | [INFO] [stdout] = note: requirement occurs because of a mutable pointer to `dyn LakeMeta` [INFO] [stdout] = note: mutable pointers are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] note: raw pointer casts of trait objects do not cast away lifetimes [INFO] [stdout] --> src/lake/lake/lake_view.rs:95:39 [INFO] [stdout] | [INFO] [stdout] 95 | let lake: *mut dyn LakeMeta = self as *mut Self as *mut dyn LakeMeta; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: this was previously accepted by the compiler but was changed recently [INFO] [stdout] = help: see for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lake/memory/writer.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub unsafe fn write_to(mut dst: *mut u8, mut src: *const u8, mut len: usize) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lake/memory/writer.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | pub unsafe fn write_to(mut dst: *mut u8, mut src: *const u8, mut len: usize) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lake/memory/writer.rs:10:66 [INFO] [stdout] | [INFO] [stdout] 10 | pub unsafe fn write_to(mut dst: *mut u8, mut src: *const u8, mut len: usize) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lake` (lib) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9f870a31d4b32d149060523afa9054221bcdece26ea5324b0ea7b15daae25af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f870a31d4b32d149060523afa9054221bcdece26ea5324b0ea7b15daae25af2", kill_on_drop: false }` [INFO] [stdout] 9f870a31d4b32d149060523afa9054221bcdece26ea5324b0ea7b15daae25af2