[INFO] cloning repository https://github.com/PBosc/KFS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PBosc/KFS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBosc%2FKFS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBosc%2FKFS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a4201a34a2c4a9495b68bebd5310d98ce1bb67
[INFO] checking PBosc/KFS against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPBosc%2FKFS" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/PBosc/KFS
[INFO] finished tweaking git repo https://github.com/PBosc/KFS
[INFO] tweaked toml for git repo https://github.com/PBosc/KFS written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PBosc/KFS on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PBosc/KFS 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d
[INFO] running `Command { std: "docker" "start" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d", 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" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking kfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/rust/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]  --> src/rust/stack.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |         core::arch::asm!("mov {}, esp", out(reg) esp);
[INFO] [stdout]   |                               ^^                 --- for this argument
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `{0:e}` to have the register formatted as `eax` (for 4-byte values)
[INFO] [stdout]   = help: or use `{0:r}` to keep the default formatting of `rax` (for 8-byte values)
[INFO] [stdout]   = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot use register `ebx`: rbx is used internally by LLVM and cannot be used as an operand for inline asm
[INFO] [stdout]    --> src/rust/shell.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         in("ebx") 1u32,        // fd (ignored for now)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/rust/idt.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |     unsafe { asm!("mov {}, cr2", out(reg) cr2); }
[INFO] [stdout]    |                        ^^                 --- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{0:e}` to have the register formatted as `eax` (for 4-byte values)
[INFO] [stdout]    = help: or use `{0:r}` to keep the default formatting of `rax` (for 8-byte values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rust/idt.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `regs`
[INFO] [stdout]    --> src/rust/idt.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 | extern "C" fn keyboard_handler_inner(regs: *const Registers) {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_regs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kfs` (lib) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d", kill_on_drop: false }`
[INFO] [stdout] a61050a6109dcb246fa070756b57b0d506b71d01d1be3618c185d6480abf7f9d
