[INFO] fetching crate lake 0.2.0...
[INFO] fixing lake-0.2.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate lake 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lake 0.2.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.47
[INFO] [stderr]   Downloaded scoped-arena v0.4.1
[INFO] [stderr]   Downloaded allocator-api2 v0.3.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.43
[INFO] [stderr]   Downloaded bump-scope v0.17.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852
[INFO] running `Command { std: "docker" "start" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking clap_builder v4.5.41
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking bump-scope v0.17.4
[INFO] [stderr]     Checking scoped-arena v0.4.1
[INFO] [stderr]     Checking bumpalo v3.19.0
[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 <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] note: raw pointer casts of trait objects cannot extend 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 <https://github.com/rust-lang/rust/issues/141402> 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" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852", kill_on_drop: false }`
[INFO] [stdout] 8e97bd26c84fc1ca41a1bc88908752c811c296a58068a729bb9fce6c42efa852
