[INFO] fetching crate bootloader-x86_64-bios-stage-2 0.11.8...
[INFO] checking bootloader-x86_64-bios-stage-2-0.11.8 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate bootloader-x86_64-bios-stage-2 0.11.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bootloader-x86_64-bios-stage-2 0.11.8 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bootloader-x86_64-bios-stage-2 0.11.8
[INFO] finished tweaking crates.io crate bootloader-x86_64-bios-stage-2 0.11.8
[INFO] tweaked toml for crates.io crate bootloader-x86_64-bios-stage-2 0.11.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bootloader-x86_64-bios-stage-2 0.11.8 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader-x86_64-bios-common v0.11.8
[INFO] [stderr]   Downloaded mbr-nostd v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a82cef1753f65be4d64d30ba29f16ff13f736e7455b218ca2de4021cfbf612d0
[INFO] running `Command { std: "docker" "start" "-a" "a82cef1753f65be4d64d30ba29f16ff13f736e7455b218ca2de4021cfbf612d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a82cef1753f65be4d64d30ba29f16ff13f736e7455b218ca2de4021cfbf612d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82cef1753f65be4d64d30ba29f16ff13f736e7455b218ca2de4021cfbf612d0", kill_on_drop: false }`
[INFO] [stdout] a82cef1753f65be4d64d30ba29f16ff13f736e7455b218ca2de4021cfbf612d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8cdea1587ceb1ed5e08c69f96d791f1df4d58607f90cef28a7b87c0d4ab11a
[INFO] running `Command { std: "docker" "start" "-a" "3b8cdea1587ceb1ed5e08c69f96d791f1df4d58607f90cef28a7b87c0d4ab11a", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling bootloader-x86_64-bios-stage-2 v0.11.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bootloader-x86_64-bios-common v0.11.8
[INFO] [stderr]     Checking mbr-nostd v0.1.0
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/fat.rs:209:38
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn read_root_dir<'a>(
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 209 |     ) -> impl Iterator<Item = Result<RawDirectoryEntry, ()>> + 'a {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/fat.rs:209:38
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn read_root_dir<'a>(
[INFO] [stdout]     |                      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 209 |     ) -> impl Iterator<Item = Result<RawDirectoryEntry, ()>> + 'a {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/fat.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub struct Cluster {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 246 |     pub index: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cluster` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/main.rs:90:32
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let disk_buffer = unsafe { &mut DISK_BUFFER };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let disk_buffer = unsafe { &raw mut DISK_BUFFER };
[INFO] [stdout]    |                                ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/disk.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let buf = unsafe { &mut TMP_BUF };
[INFO] [stdout]    |                            ^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let buf = unsafe { &raw mut TMP_BUF };
[INFO] [stdout]    |                            ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bootloader-x86_64-bios-stage-2` (bin "bootloader-x86_64-bios-stage-2") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3b8cdea1587ceb1ed5e08c69f96d791f1df4d58607f90cef28a7b87c0d4ab11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8cdea1587ceb1ed5e08c69f96d791f1df4d58607f90cef28a7b87c0d4ab11a", kill_on_drop: false }`
[INFO] [stdout] 3b8cdea1587ceb1ed5e08c69f96d791f1df4d58607f90cef28a7b87c0d4ab11a
