[INFO] cloning repository https://github.com/Richard-W/higherhalf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Richard-W/higherhalf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d84d83186f890b86182c62e2da7a24591e584f3
[INFO] checking Richard-W/higherhalf against master#7606c13961ddc1174b70638e934df0439b7dc515 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Richard-W/higherhalf on toolchain 7606c13961ddc1174b70638e934df0439b7dc515
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7606c13961ddc1174b70638e934df0439b7dc515" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] finished tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] tweaked toml for git repo https://github.com/Richard-W/higherhalf written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Richard-W/higherhalf 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" "+7606c13961ddc1174b70638e934df0439b7dc515" "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]     Updating git repository `https://github.com/richard-w/efw`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Richard-W/higherhalf against try#ae973628c64ab60398819bcc1fd9f08ae68ad5b5 for pr-121979
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Richard-W/higherhalf on toolchain ae973628c64ab60398819bcc1fd9f08ae68ad5b5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] finished tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] tweaked toml for git repo https://github.com/Richard-W/higherhalf written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Richard-W/higherhalf 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" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded late-static v0.4.0
[INFO] [stderr]   Downloaded font8x8 v0.2.7
[INFO] [stderr]   Downloaded r-efi v3.2.0
[INFO] [stderr]   Downloaded r-efi v4.0.0
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded mmu v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 905ee7872e69bd857cd0d840eb2dbd2724fca505d9ed40ef9343d6afa147919a
[INFO] running `Command { std: "docker" "start" "-a" "905ee7872e69bd857cd0d840eb2dbd2724fca505d9ed40ef9343d6afa147919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905ee7872e69bd857cd0d840eb2dbd2724fca505d9ed40ef9343d6afa147919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905ee7872e69bd857cd0d840eb2dbd2724fca505d9ed40ef9343d6afa147919a", kill_on_drop: false }`
[INFO] [stdout] 905ee7872e69bd857cd0d840eb2dbd2724fca505d9ed40ef9343d6afa147919a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ae973628c64ab60398819bcc1fd9f08ae68ad5b5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0859dfab003a2ac07e3ed24309b7dad78ed3990a33babe3a777aaf5b506a8c29
[INFO] running `Command { std: "docker" "start" "-a" "0859dfab003a2ac07e3ed24309b7dad78ed3990a33babe3a777aaf5b506a8c29", kill_on_drop: false }`
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]     Checking r-efi v3.2.0
[INFO] [stderr]     Checking mmu v0.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking late-static v0.4.0
[INFO] [stderr]     Checking r-efi v4.0.0
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking ucs2 v0.3.2
[INFO] [stderr]     Checking common v0.0.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking kernel v0.0.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]     Checking efw v0.2.0 (https://github.com/richard-w/efw?branch=master#8c37d35b)
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> kernel/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         llvm_asm!("movq %cr3, $0"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> kernel/src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         llvm_asm!("movq %cr3, %rax; movq %rax, %cr3" : : : "rax");
[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[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> kernel/src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> kernel/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         llvm_asm!("movq %cr3, $0"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> kernel/src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         llvm_asm!("movq %cr3, %rax; movq %rax, %cr3" : : : "rax");
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> kernel/src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / fn panic_handler(_: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 17 | |     loop {}
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/ae973628c64ab60398819bcc1fd9f08ae68ad5b5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-41777efa78699460.rlib
[INFO] [stdout]    = note: second definition in the local crate (`kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0859dfab003a2ac07e3ed24309b7dad78ed3990a33babe3a777aaf5b506a8c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0859dfab003a2ac07e3ed24309b7dad78ed3990a33babe3a777aaf5b506a8c29", kill_on_drop: false }`
[INFO] [stdout] 0859dfab003a2ac07e3ed24309b7dad78ed3990a33babe3a777aaf5b506a8c29