[INFO] fetching crate picard-core 0.0.1...
[INFO] testing picard-core-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate picard-core 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate picard-core 0.0.1
[INFO] finished tweaking crates.io crate picard-core 0.0.1
[INFO] tweaked toml for crates.io crate picard-core 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate picard-core 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 845e2f6841486378d10601a1b0df50a471bcf987c1d4a469fbea06e1e85f9ac4
[INFO] running `Command { std: "docker" "start" "-a" "845e2f6841486378d10601a1b0df50a471bcf987c1d4a469fbea06e1e85f9ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845e2f6841486378d10601a1b0df50a471bcf987c1d4a469fbea06e1e85f9ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845e2f6841486378d10601a1b0df50a471bcf987c1d4a469fbea06e1e85f9ac4", kill_on_drop: false }`
[INFO] [stdout] 845e2f6841486378d10601a1b0df50a471bcf987c1d4a469fbea06e1e85f9ac4
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a149f9d20a0459bf200fb5963077efc1eac963adc8ca1c747ac57e3fc5b128ef
[INFO] running `Command { std: "docker" "start" "-a" "a149f9d20a0459bf200fb5963077efc1eac963adc8ca1c747ac57e3fc5b128ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling picard-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `buffer::ShaderBuffer`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use buffer::ShaderBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/buffer.rs:102:35
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_OPDESC` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAX_OPDESC: usize = 128;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `little_endian` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ShaderBuffer {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     buf: Cursor<Vec<u8>>,
[INFO] [stdout] 6 |     little_endian: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/buffer.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl ShaderBuffer {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  18 |     pub(crate) fn set_little_endian(&mut self, little: bool) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     pub(crate) fn read_u64(&mut self) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub(crate) fn write_u64(&mut self, value: u64) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub(crate) fn read_u32(&mut self) -> Result<u32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub(crate) fn write_u32(&mut self, value: u32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub(crate) fn read_u16(&mut self) -> Result<u16, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub(crate) fn write_u16(&mut self, value: u16) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub(crate) fn read_u8(&mut self) -> Result<u8, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub(crate) fn write_u8(&mut self, value: u8) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     pub(crate) fn read_f32(&mut self) -> Result<f32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub(crate) fn write_f32(&mut self, value: f32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     pub(crate) fn read_raw(&mut self, buffer: &mut [u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub(crate) fn write_raw(&mut self, buffer: &[u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub(crate) fn tell(&mut self) -> u64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn bit<T>(n: T) -> T where T: std::ops::Shl<T, Output = T> + From<u8> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a149f9d20a0459bf200fb5963077efc1eac963adc8ca1c747ac57e3fc5b128ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a149f9d20a0459bf200fb5963077efc1eac963adc8ca1c747ac57e3fc5b128ef", kill_on_drop: false }`
[INFO] [stdout] a149f9d20a0459bf200fb5963077efc1eac963adc8ca1c747ac57e3fc5b128ef
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75ad49b3bb9684b9d24937bb12d62b743e6a76495b7655cd84597f601634023
[INFO] running `Command { std: "docker" "start" "-a" "e75ad49b3bb9684b9d24937bb12d62b743e6a76495b7655cd84597f601634023", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `buffer::ShaderBuffer`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use buffer::ShaderBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling picard-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]    --> src/buffer.rs:102:35
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_OPDESC` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAX_OPDESC: usize = 128;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `little_endian` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ShaderBuffer {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     buf: Cursor<Vec<u8>>,
[INFO] [stdout] 6 |     little_endian: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/buffer.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl ShaderBuffer {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  18 |     pub(crate) fn set_little_endian(&mut self, little: bool) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     pub(crate) fn read_u64(&mut self) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub(crate) fn write_u64(&mut self, value: u64) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub(crate) fn read_u32(&mut self) -> Result<u32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub(crate) fn write_u32(&mut self, value: u32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub(crate) fn read_u16(&mut self) -> Result<u16, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub(crate) fn write_u16(&mut self, value: u16) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub(crate) fn read_u8(&mut self) -> Result<u8, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub(crate) fn write_u8(&mut self, value: u8) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     pub(crate) fn read_f32(&mut self) -> Result<f32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub(crate) fn write_f32(&mut self, value: f32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     pub(crate) fn read_raw(&mut self, buffer: &mut [u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub(crate) fn write_raw(&mut self, buffer: &[u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub(crate) fn tell(&mut self) -> u64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn bit<T>(n: T) -> T where T: std::ops::Shl<T, Output = T> + From<u8> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buffer::ShaderBuffer`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use buffer::ShaderBuffer;
[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 variable: `pos`
[INFO] [stdout]    --> src/buffer.rs:102:35
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_OPDESC` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAX_OPDESC: usize = 128;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `little_endian` is never read
[INFO] [stdout]  --> src/buffer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ShaderBuffer {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     buf: Cursor<Vec<u8>>,
[INFO] [stdout] 6 |     little_endian: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/buffer.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout]   9 | impl ShaderBuffer {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  18 |     pub(crate) fn set_little_endian(&mut self, little: bool) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  22 |     pub(crate) fn read_u64(&mut self) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub(crate) fn write_u64(&mut self, value: u64) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub(crate) fn read_u32(&mut self) -> Result<u32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |     pub(crate) fn write_u32(&mut self, value: u32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub(crate) fn read_u16(&mut self) -> Result<u16, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub(crate) fn write_u16(&mut self, value: u16) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub(crate) fn read_u8(&mut self) -> Result<u8, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     pub(crate) fn write_u8(&mut self, value: u8) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     pub(crate) fn read_f32(&mut self) -> Result<f32, io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub(crate) fn write_f32(&mut self, value: f32) -> Result<(), io::Error> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     pub(crate) fn read_raw(&mut self, buffer: &mut [u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub(crate) fn write_raw(&mut self, buffer: &[u8]) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub(crate) fn tell(&mut self) -> u64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit` is never used
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn bit<T>(n: T) -> T where T: std::ops::Shl<T, Output = T> + From<u8> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e75ad49b3bb9684b9d24937bb12d62b743e6a76495b7655cd84597f601634023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75ad49b3bb9684b9d24937bb12d62b743e6a76495b7655cd84597f601634023", kill_on_drop: false }`
[INFO] [stdout] e75ad49b3bb9684b9d24937bb12d62b743e6a76495b7655cd84597f601634023
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4c59754278eb33e7c9ac15a0b8d6fb219ae7cb29aab60201bad7d6133bafc4d
[INFO] running `Command { std: "docker" "start" "-a" "b4c59754278eb33e7c9ac15a0b8d6fb219ae7cb29aab60201bad7d6133bafc4d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `buffer::ShaderBuffer`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use buffer::ShaderBuffer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/buffer.rs:102:35
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_OPDESC` is never used
[INFO] [stderr]   --> src/lib.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const MAX_OPDESC: usize = 128;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `little_endian` is never read
[INFO] [stderr]  --> src/buffer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ShaderBuffer {
[INFO] [stderr]   |            ------------ field in this struct
[INFO] [stderr] 5 |     buf: Cursor<Vec<u8>>,
[INFO] [stderr] 6 |     little_endian: bool
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/buffer.rs:18:19
[INFO] [stderr]     |
[INFO] [stderr]   9 | impl ShaderBuffer {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  18 |     pub(crate) fn set_little_endian(&mut self, little: bool) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  22 |     pub(crate) fn read_u64(&mut self) -> Result<u64, io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  30 |     pub(crate) fn write_u64(&mut self, value: u64) -> Result<(), io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  38 |     pub(crate) fn read_u32(&mut self) -> Result<u32, io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  46 |     pub(crate) fn write_u32(&mut self, value: u32) -> Result<(), io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  54 |     pub(crate) fn read_u16(&mut self) -> Result<u16, io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  62 |     pub(crate) fn write_u16(&mut self, value: u16) -> Result<(), io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  70 |     pub(crate) fn read_u8(&mut self) -> Result<u8, io::Error> {
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  74 |     pub(crate) fn write_u8(&mut self, value: u8) -> Result<(), io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  78 |     pub(crate) fn read_f32(&mut self) -> Result<f32, io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  86 |     pub(crate) fn write_f32(&mut self, value: f32) -> Result<(), io::Error> {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  94 |     pub(crate) fn read_raw(&mut self, buffer: &mut [u8]) -> bool {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  98 |     pub(crate) fn write_raw(&mut self, buffer: &[u8]) -> bool {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub(crate) fn seek(&mut self, pos: u64, mode: io::SeekFrom) -> Result<u64, io::Error> {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub(crate) fn tell(&mut self) -> u64 {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bit` is never used
[INFO] [stderr]  --> src/utils.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn bit<T>(n: T) -> T where T: std::ops::Shl<T, Output = T> + From<u8> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `picard-core` (lib) generated 6 warnings (run `cargo fix --lib -p picard-core` to apply 2 suggestions)
[INFO] [stderr] warning: `picard-core` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/picard_core-6e3c6d57f0b19a97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests picard_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4c59754278eb33e7c9ac15a0b8d6fb219ae7cb29aab60201bad7d6133bafc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c59754278eb33e7c9ac15a0b8d6fb219ae7cb29aab60201bad7d6133bafc4d", kill_on_drop: false }`
[INFO] [stdout] b4c59754278eb33e7c9ac15a0b8d6fb219ae7cb29aab60201bad7d6133bafc4d
