[INFO] cloning repository https://github.com/Asaki-Community/why-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Asaki-Community/why-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsaki-Community%2Fwhy-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsaki-Community%2Fwhy-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e1ffc441a48e64b83531040208781db3311a024
[INFO] testing Asaki-Community/why-os against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAsaki-Community%2Fwhy-os" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Asaki-Community/why-os
[INFO] finished tweaking git repo https://github.com/Asaki-Community/why-os
[INFO] tweaked toml for git repo https://github.com/Asaki-Community/why-os written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Asaki-Community/why-os on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Asaki-Community/why-os 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97302d3e0855971ec4852b2692c97d79794fae81a47eb77a7d32dd6e1af8605a
[INFO] running `Command { std: "docker" "start" "-a" "97302d3e0855971ec4852b2692c97d79794fae81a47eb77a7d32dd6e1af8605a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97302d3e0855971ec4852b2692c97d79794fae81a47eb77a7d32dd6e1af8605a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97302d3e0855971ec4852b2692c97d79794fae81a47eb77a7d32dd6e1af8605a", kill_on_drop: false }`
[INFO] [stdout] 97302d3e0855971ec4852b2692c97d79794fae81a47eb77a7d32dd6e1af8605a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cec9cd93d1aac0ef4414443327435a4559b6f28cdc635a5463d2e31afc032ea
[INFO] running `Command { std: "docker" "start" "-a" "9cec9cd93d1aac0ef4414443327435a4559b6f28cdc635a5463d2e31afc032ea", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: unstable
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling pc-keyboard v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling x86_64 v0.14.13
[INFO] [stderr]    Compiling pic8259 v0.10.4
[INFO] [stderr]    Compiling why_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:57:60
[INFO] [stdout]    |
[INFO] [stdout] 57 |     stack_frame: InterruptStackFrame, _error_code: u64) -> !
[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:57:60
[INFO] [stdout]    |
[INFO] [stdout] 57 |     stack_frame: InterruptStackFrame, _error_code: u64) -> !
[INFO] [stdout]    |                                                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/gdt.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (code_selector) = gdt.add_entry(Descriptor::kernel_code_segment());
[INFO] [stdout]    |             ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let (code_selector) = gdt.add_entry(Descriptor::kernel_code_segment());
[INFO] [stdout] 27 +         let code_selector = gdt.add_entry(Descriptor::kernel_code_segment());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/gdt.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (tss_selector) = gdt.add_entry(Descriptor::tss_segment(&TSS));
[INFO] [stdout]    |             ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         let (tss_selector) = gdt.add_entry(Descriptor::tss_segment(&TSS));
[INFO] [stdout] 28 +         let tss_selector = gdt.add_entry(Descriptor::tss_segment(&TSS));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/interrupts.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{println, print};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pc_keyboard::KeyCode`
[INFO] [stdout]  --> src/interrupts.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pc_keyboard::KeyCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |         $crate::print!("{}\n", format_args!($($arg)*));
[INFO] [stdout]    |                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cli.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |             "hello" => println!("Hello World!"),
[INFO] [stdout]    |                        ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:4:68
[INFO] [stdout]    |
[INFO] [stdout] 4  |         $crate::drivers::vga_buffer::_print(format_args!($($arg)*));
[INFO] [stdout]    |                                                                    ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cli.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |             "hello" => println!("Hello World!"),
[INFO] [stdout]    |                        ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |         $crate::print!("{}\n", format_args!($($arg)*));
[INFO] [stdout]    |                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cli.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |             "scream" => println!("{}", args),
[INFO] [stdout]    |                         -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macros.rs:4:68
[INFO] [stdout]    |
[INFO] [stdout] 4  |         $crate::drivers::vga_buffer::_print(format_args!($($arg)*));
[INFO] [stdout]    |                                                                    ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cli.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |             "scream" => println!("{}", args),
[INFO] [stdout]    |                         -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:14:55
[INFO] [stdout]     |
[INFO] [stdout] 14  |         $crate::print!("{}\n", format_args!($($arg)*));
[INFO] [stdout]     |                                                       ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/cli.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |             _ => println!("Unknown command: {}", command),
[INFO] [stdout]     |                  ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:4:68
[INFO] [stdout]     |
[INFO] [stdout] 4   |         $crate::drivers::vga_buffer::_print(format_args!($($arg)*));
[INFO] [stdout]     |                                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/cli.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |             _ => println!("Unknown command: {}", command),
[INFO] [stdout]     |                  ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]  --> src/drivers/vga_buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/interrupts.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 DecodedKey::RawKey(key) => {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `why_os` (bin "why_os") due to 1 previous error; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9cec9cd93d1aac0ef4414443327435a4559b6f28cdc635a5463d2e31afc032ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cec9cd93d1aac0ef4414443327435a4559b6f28cdc635a5463d2e31afc032ea", kill_on_drop: false }`
[INFO] [stdout] 9cec9cd93d1aac0ef4414443327435a4559b6f28cdc635a5463d2e31afc032ea
