[INFO] cloning repository https://github.com/langmead-lab/bbwt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/langmead-lab/bbwt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flangmead-lab%2Fbbwt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flangmead-lab%2Fbbwt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 439aaefa2010ebb642333e1ceb0ccfabf9b3127c
[INFO] testing langmead-lab/bbwt against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flangmead-lab%2Fbbwt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/langmead-lab/bbwt
[INFO] finished tweaking git repo https://github.com/langmead-lab/bbwt
[INFO] tweaked toml for git repo https://github.com/langmead-lab/bbwt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/langmead-lab/bbwt on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/langmead-lab/bbwt 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49438a0e84d9124c8defa569af1917fd1fe59a47433b0d5c2c065243797dfff6
[INFO] running `Command { std: "docker" "start" "-a" "49438a0e84d9124c8defa569af1917fd1fe59a47433b0d5c2c065243797dfff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49438a0e84d9124c8defa569af1917fd1fe59a47433b0d5c2c065243797dfff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49438a0e84d9124c8defa569af1917fd1fe59a47433b0d5c2c065243797dfff6", kill_on_drop: false }`
[INFO] [stdout] 49438a0e84d9124c8defa569af1917fd1fe59a47433b0d5c2c065243797dfff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d357d4650317ac4b9860683eb447f572c0e3d617870e6b32ee899e8e8839fba
[INFO] running `Command { std: "docker" "start" "-a" "1d357d4650317ac4b9860683eb447f572c0e3d617870e6b32ee899e8e8839fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.7.26
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling lexopt v0.3.0
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling buffer-redux v1.0.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling bbwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2493:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2493 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak_int':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2498:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2498 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2503:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2503 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak_int':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2525:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2525 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling seq_io v0.3.2
[INFO] [stdout] warning: function `sacak_u32` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) unsafe fn sacak_u32(text: impl AsRef<[u32]>, suffix_array: &mut [u32]) {
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gsacak_u8` is never used
[INFO] [stdout]   --> src/gsacak_c.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) unsafe fn gsacak_u8(text: impl AsRef<[u8]>, suffix_array: &mut [u32], lcp: Option<&mut [i32]>) {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gsacak` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn gsacak(text: *const u8, suffix_array: *mut u32, lcp: *mut i32, da: *mut i32, len: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sacak_int` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sacak_int(text: *const u32, suffix_array: *mut u32, n: u32, k: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Counter` is never used
[INFO] [stdout]   --> src/int.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub trait Counter: Index {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:514:52
[INFO] [stdout]     |
[INFO] [stdout] 514 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:677:52
[INFO] [stdout]     |
[INFO] [stdout] 677 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "1d357d4650317ac4b9860683eb447f572c0e3d617870e6b32ee899e8e8839fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d357d4650317ac4b9860683eb447f572c0e3d617870e6b32ee899e8e8839fba", kill_on_drop: false }`
[INFO] [stdout] 1d357d4650317ac4b9860683eb447f572c0e3d617870e6b32ee899e8e8839fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b17c4a924905f4908d7fa88ed61501dcee34d52f8d364b606919d0f016189e6
[INFO] running `Command { std: "docker" "start" "-a" "1b17c4a924905f4908d7fa88ed61501dcee34d52f8d364b606919d0f016189e6", kill_on_drop: false }`
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2493:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2493 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak_int':
[INFO] [stdout] warning: function `sacak_u32` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) unsafe fn sacak_u32(text: impl AsRef<[u32]>, suffix_array: &mut [u32]) {
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2498:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stdout] warning: function `gsacak_u8` is never used
[INFO] [stdout]   --> src/gsacak_c.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) unsafe fn gsacak_u8(text: impl AsRef<[u8]>, suffix_array: &mut [u32], lcp: Option<&mut [i32]>) {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0:  2498 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stdout] warning: function `gsacak` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn gsacak(text: *const u8, suffix_array: *mut u32, lcp: *mut i32, da: *mut i32, len: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stdout] warning: function `sacak_int` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sacak_int(text: *const u32, suffix_array: *mut u32, n: u32, k: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak':
[INFO] [stdout] warning: trait `Counter` is never used
[INFO] [stdout]   --> src/int.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub trait Counter: Index {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2503:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:514:52
[INFO] [stdout]     |
[INFO] [stdout] 514 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0:  2503 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:677:52
[INFO] [stdout]     |
[INFO] [stdout] 677 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak_int':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2525:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2525 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr]    Compiling bbwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sacak_u32` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) unsafe fn sacak_u32(text: impl AsRef<[u32]>, suffix_array: &mut [u32]) {
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gsacak_u8` is never used
[INFO] [stdout]   --> src/gsacak_c.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) unsafe fn gsacak_u8(text: impl AsRef<[u8]>, suffix_array: &mut [u32], lcp: Option<&mut [i32]>) {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gsacak` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn gsacak(text: *const u8, suffix_array: *mut u32, lcp: *mut i32, da: *mut i32, len: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sacak_int` is never used
[INFO] [stdout]  --> src/gsacak_c.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sacak_int(text: *const u32, suffix_array: *mut u32, n: u32, k: u32) -> i32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Counter` is never used
[INFO] [stdout]   --> src/int.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub trait Counter: Index {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:514:52
[INFO] [stdout]     |
[INFO] [stdout] 514 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stdout]    --> src/gsais.rs:677:52
[INFO] [stdout]     |
[INFO] [stdout] 677 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stdout]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1b17c4a924905f4908d7fa88ed61501dcee34d52f8d364b606919d0f016189e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b17c4a924905f4908d7fa88ed61501dcee34d52f8d364b606919d0f016189e6", kill_on_drop: false }`
[INFO] [stdout] 1b17c4a924905f4908d7fa88ed61501dcee34d52f8d364b606919d0f016189e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b5039585a95d4cef3be8247d8a0b142ea88c69f9f96312d3b29f23f5b261fa7
[INFO] running `Command { std: "docker" "start" "-a" "7b5039585a95d4cef3be8247d8a0b142ea88c69f9f96312d3b29f23f5b261fa7", kill_on_drop: false }`
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2493:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2493 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'sacak_int':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2498:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2498 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2503:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2503 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c: In function 'gsacak_int':
[INFO] [stderr] warning: bbwt@0.1.0: src/gsa/gsacak.c:2525:40: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
[INFO] [stderr] warning: bbwt@0.1.0:  2525 |   if((s == NULL) || (SA == NULL) || (n < 0)) return -1;
[INFO] [stderr] warning: bbwt@0.1.0:       |                                        ^
[INFO] [stderr] warning: function `sacak_u32` is never used
[INFO] [stderr]  --> src/gsacak_c.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) unsafe fn sacak_u32(text: impl AsRef<[u32]>, suffix_array: &mut [u32]) {
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `gsacak_u8` is never used
[INFO] [stderr]   --> src/gsacak_c.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub(crate) unsafe fn gsacak_u8(text: impl AsRef<[u8]>, suffix_array: &mut [u32], lcp: Option<&mut [i32]>) {
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gsacak` is never used
[INFO] [stderr]  --> src/gsacak_c.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn gsacak(text: *const u8, suffix_array: *mut u32, lcp: *mut i32, da: *mut i32, len: u32) -> i32;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sacak_int` is never used
[INFO] [stderr]  --> src/gsacak_c.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sacak_int(text: *const u32, suffix_array: *mut u32, n: u32, k: u32) -> i32;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Counter` is never used
[INFO] [stderr]   --> src/int.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub trait Counter: Index {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stderr]    --> src/gsais.rs:514:52
[INFO] [stderr]     |
[INFO] [stderr] 514 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stderr]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stderr]     |
[INFO] [stderr]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stderr]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stderr]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stderr]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this creates a dangling pointer because temporary `Vec<I>` is dropped at end of statement
[INFO] [stderr]    --> src/gsais.rs:677:52
[INFO] [stderr]     |
[INFO] [stderr] 677 |             let ptr = vec![I::ZERO; alphabet_size].as_mut_ptr();
[INFO] [stderr]     |                       ---------------------------- ^^^^^^^^^^ pointer created here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this `Vec<I>` is dropped at end of statement
[INFO] [stderr]     |
[INFO] [stderr]     = help: bind the `Vec<I>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stderr]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stderr]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `bbwt` (lib) generated 7 warnings
[INFO] [stderr] warning: `bbwt` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bbwt-f500e8a5b5546699)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/bbwt-f500e8a5b5546699` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "7b5039585a95d4cef3be8247d8a0b142ea88c69f9f96312d3b29f23f5b261fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5039585a95d4cef3be8247d8a0b142ea88c69f9f96312d3b29f23f5b261fa7", kill_on_drop: false }`
[INFO] [stdout] 7b5039585a95d4cef3be8247d8a0b142ea88c69f9f96312d3b29f23f5b261fa7
