[INFO] cloning repository https://github.com/lucaspolo/polOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucaspolo/polOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspolo%2FpolOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspolo%2FpolOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb9bcd4b7b6a5753be6618abe7fa72657ac8c656
[INFO] checking lucaspolo/polOS against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspolo%2FpolOS" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucaspolo/polOS on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lucaspolo/polOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/lucaspolo/polOS
[INFO] tweaked toml for git repo https://github.com/lucaspolo/polOS written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lucaspolo/polOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 753bcb581f59fd896f95ed7e476d94556f347abe91f6d2ec26eb680ce4f1a384
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "753bcb581f59fd896f95ed7e476d94556f347abe91f6d2ec26eb680ce4f1a384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "753bcb581f59fd896f95ed7e476d94556f347abe91f6d2ec26eb680ce4f1a384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753bcb581f59fd896f95ed7e476d94556f347abe91f6d2ec26eb680ce4f1a384", kill_on_drop: false }`
[INFO] [stdout] 753bcb581f59fd896f95ed7e476d94556f347abe91f6d2ec26eb680ce4f1a384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36efd907ac834cde5db534b041c36f55c00bdd6ea29cce7f188b28f2f2b77dad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36efd907ac834cde5db534b041c36f55c00bdd6ea29cce7f188b28f2f2b77dad", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling x86_64 v0.13.6
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling x86_64 v0.14.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bootloader v0.9.16
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking pic8259_simple v0.2.0
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spinning_top v0.1.1
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking linked_list_allocator v0.8.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking uart_16550 v0.2.12
[INFO] [stderr]     Checking pol_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pol_os`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/stack_overflow.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |                   .set_handler_fn(test_double_fault_handler)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `InterruptStackFrame`, found `&mut InterruptStackFrame`
[INFO] [stdout] ...
[INFO] [stdout] 54 | / extern "x86-interrupt" fn test_double_fault_handler(
[INFO] [stdout] 55 | |     _stack_frame: &mut InterruptStackFrame,
[INFO] [stdout] 56 | |     _error_code: u64,
[INFO] [stdout] 57 | | ) -> ! {
[INFO] [stdout]    | |______- for<'r> extern "x86-interrupt" fn(&'r mut InterruptStackFrame, u64) -> ! {test_double_fault_handler} defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `extern "x86-interrupt" fn(InterruptStackFrame, _) -> _`
[INFO] [stdout]                  found fn item `extern "x86-interrupt" for<'r> fn(&'r mut InterruptStackFrame, _) -> _ {test_double_fault_handler}`
[INFO] [stdout] help: use parentheses to call this function
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 .set_handler_fn(test_double_fault_handler(_stack_frame, _error_code))
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36efd907ac834cde5db534b041c36f55c00bdd6ea29cce7f188b28f2f2b77dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36efd907ac834cde5db534b041c36f55c00bdd6ea29cce7f188b28f2f2b77dad", kill_on_drop: false }`
[INFO] [stdout] 36efd907ac834cde5db534b041c36f55c00bdd6ea29cce7f188b28f2f2b77dad