[INFO] cloning repository https://github.com/panda-pash/blog_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panda-pash/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanda-pash%2Fblog_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanda-pash%2Fblog_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 059b5963912f90912c8f2484c3b782ba6cd1ed5a
[INFO] checking panda-pash/blog_os against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanda-pash%2Fblog_os" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/panda-pash/blog_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/panda-pash/blog_os
[INFO] tweaked toml for git repo https://github.com/panda-pash/blog_os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/panda-pash/blog_os on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/panda-pash/blog_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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "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 volatile v0.2.7
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e230c23505eed9a7048401830fb68402821c1d4cd21e7708172b59d436c3db22
[INFO] running `Command { std: "docker" "start" "-a" "e230c23505eed9a7048401830fb68402821c1d4cd21e7708172b59d436c3db22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e230c23505eed9a7048401830fb68402821c1d4cd21e7708172b59d436c3db22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e230c23505eed9a7048401830fb68402821c1d4cd21e7708172b59d436c3db22", kill_on_drop: false }`
[INFO] [stdout] e230c23505eed9a7048401830fb68402821c1d4cd21e7708172b59d436c3db22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c193502213823f4124e784d16097a29488075b0b09578cddfcf69073060913
[INFO] running `Command { std: "docker" "start" "-a" "02c193502213823f4124e784d16097a29488075b0b09578cddfcf69073060913", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking spin v0.9.8
[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 v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking uart_16550 v0.2.19
[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:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | ) -> ! {
[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:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | ) -> ! {
[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:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | ) -> ! {
[INFO] [stdout]    |      ^
[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[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> src/task/executor.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 87  |         let Self { tasks, task_queue, waker_cache } = self;
[INFO] [stdout]     |                    ----- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 92  |                 let task = match tasks.get_mut(&task_id) {
[INFO] [stdout]     |                                  ----- first borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 117 |                     self.track_execution_time(task_id); // track the execution time
[INFO] [stdout]     |                     ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> src/task/executor.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 87  |         let Self { tasks, task_queue, waker_cache } = self;
[INFO] [stdout]     |                    ----- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 92  |                 let task = match tasks.get_mut(&task_id) {
[INFO] [stdout]     |                                  ----- first borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 117 |                     self.track_execution_time(task_id); // track the execution time
[INFO] [stdout]     |                     ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blog_os` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "02c193502213823f4124e784d16097a29488075b0b09578cddfcf69073060913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c193502213823f4124e784d16097a29488075b0b09578cddfcf69073060913", kill_on_drop: false }`
[INFO] [stdout] 02c193502213823f4124e784d16097a29488075b0b09578cddfcf69073060913