[INFO] cloning repository https://github.com/keremguney/BlogOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keremguney/BlogOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeremguney%2FBlogOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeremguney%2FBlogOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5963285ff77c7a65ee5b72602b16099dca6fdb6
[INFO] checking keremguney/BlogOS against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeremguney%2FBlogOS" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/keremguney/BlogOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/keremguney/BlogOS
[INFO] tweaked toml for git repo https://github.com/keremguney/BlogOS written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keremguney/BlogOS on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/keremguney/BlogOS 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pic8259 v0.10.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.14
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded x86_64 v0.14.7
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a36096931632579cb49ed4c141742b058c29a781285a53a7dbb357406c06eb4
[INFO] running `Command { std: "docker" "start" "-a" "7a36096931632579cb49ed4c141742b058c29a781285a53a7dbb357406c06eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a36096931632579cb49ed4c141742b058c29a781285a53a7dbb357406c06eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a36096931632579cb49ed4c141742b058c29a781285a53a7dbb357406c06eb4", kill_on_drop: false }`
[INFO] [stdout] 7a36096931632579cb49ed4c141742b058c29a781285a53a7dbb357406c06eb4
[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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3537ceba5cb5a02faa7e44d2d9c0c1d1041797e1eb4879e66d83d1c946f994cc
[INFO] running `Command { std: "docker" "start" "-a" "3537ceba5cb5a02faa7e44d2d9c0c1d1041797e1eb4879e66d83d1c946f994cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.14.7
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking pic8259 v0.10.1
[INFO] [stderr]     Checking uart_16550 v0.2.14
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodedKey`
[INFO] [stdout]   --> src/interrupts.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1};
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:58:6
[INFO] [stdout]    |
[INFO] [stdout] 58 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodedKey`
[INFO] [stdout]   --> src/interrupts.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use pc_keyboard::{layouts, DecodedKey, HandleControl, Keyboard, ScancodeSet1};
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyboard`
[INFO] [stdout]   --> src/interrupts.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut keyboard = KEYBOARD.lock();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interrupts.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut keyboard = KEYBOARD.lock();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyboard`
[INFO] [stdout]   --> src/interrupts.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut keyboard = KEYBOARD.lock();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interrupts.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut keyboard = KEYBOARD.lock();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_origin`
[INFO] [stdout]   --> src/allocator/fixed_size_block.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |                         let block_origin = block_size;
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_origin`
[INFO] [stdout]   --> src/allocator/fixed_size_block.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |                         let block_origin = block_size;
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blog_os` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3537ceba5cb5a02faa7e44d2d9c0c1d1041797e1eb4879e66d83d1c946f994cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3537ceba5cb5a02faa7e44d2d9c0c1d1041797e1eb4879e66d83d1c946f994cc", kill_on_drop: false }`
[INFO] [stdout] 3537ceba5cb5a02faa7e44d2d9c0c1d1041797e1eb4879e66d83d1c946f994cc