[INFO] cloning repository https://github.com/Jett59/bare-bones-rust-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jett59/bare-bones-rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fbare-bones-rust-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fbare-bones-rust-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 814fab279519c75a469af31a776d64533b35000a
[INFO] checking Jett59/bare-bones-rust-kernel against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fbare-bones-rust-kernel" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jett59/bare-bones-rust-kernel on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Jett59/bare-bones-rust-kernel
[INFO] finished tweaking git repo https://github.com/Jett59/bare-bones-rust-kernel
[INFO] tweaked toml for git repo https://github.com/Jett59/bare-bones-rust-kernel written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jett59/bare-bones-rust-kernel 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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "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
[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 Jett59/bare-bones-rust-kernel against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJett59%2Fbare-bones-rust-kernel" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jett59/bare-bones-rust-kernel on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Jett59/bare-bones-rust-kernel
[INFO] finished tweaking git repo https://github.com/Jett59/bare-bones-rust-kernel
[INFO] tweaked toml for git repo https://github.com/Jett59/bare-bones-rust-kernel written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jett59/bare-bones-rust-kernel 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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] 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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 111239681a7b28b1301b8965617f51cc8b10f34d9f641c9adc6adfc41f3ab5df
[INFO] running `Command { std: "docker" "start" "-a" "111239681a7b28b1301b8965617f51cc8b10f34d9f641c9adc6adfc41f3ab5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "111239681a7b28b1301b8965617f51cc8b10f34d9f641c9adc6adfc41f3ab5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111239681a7b28b1301b8965617f51cc8b10f34d9f641c9adc6adfc41f3ab5df", kill_on_drop: false }`
[INFO] [stdout] 111239681a7b28b1301b8965617f51cc8b10f34d9f641c9adc6adfc41f3ab5df
[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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf284670b839bf95137c413d905eb95b93a49ef52a40d94d0a863682af132285
[INFO] running `Command { std: "docker" "start" "-a" "bf284670b839bf95137c413d905eb95b93a49ef52a40d94d0a863682af132285", kill_on_drop: false }`
[INFO] [stderr]    Compiling bare-bones-kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `bare-bones-kernel v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/bare-bones-kernel-f32b4b1894a4fbf5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Building the assembly sources
[INFO] [stderr]   Running command in /opt/rustwide/workdir/asm-code
[INFO] [stderr]   ar r libasm-.a 
[INFO] [stderr]   Failed to build assembly sources
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   ar: libasm-.a: Read-only file system
[INFO] [stderr]   make: *** [Makefile:8: libasm-.a] Error 1
[INFO] [stderr]   thread 'main' panicked at build.rs:29:9:
[INFO] [stderr]   explicit panic
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a6b78fd335 - std::backtrace_rs::backtrace::libunwind::trace::h26c7120587a28d7d
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55a6b78fd335 - std::backtrace_rs::backtrace::trace_unsynchronized::hb2343494a945db08
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a6b78fd335 - std::sys_common::backtrace::_print_fmt::hc0886a1b0f1c6f51
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a6b78fd335 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc64bd596b4321e38
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a6b791dbab - core::fmt::rt::Argument::fmt::ha5ff5a935f5992dd
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55a6b791dbab - core::fmt::write::h2d97ba29aea72b6f
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x55a6b78fac3f - std::io::Write::write_fmt::had90bacb06020b8b
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x55a6b78fd10e - std::sys_common::backtrace::_print::ha2734f6cecc4ee61
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a6b78fd10e - std::sys_common::backtrace::print::h61ec44d69abfcc29
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a6b78fe3c9 - std::panicking::default_hook::{{closure}}::h160aced4b23d03b1
[INFO] [stderr]     10:     0x55a6b78fe10d - std::panicking::default_hook::he81053507c244f8e
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:291:9
[INFO] [stderr]     11:     0x55a6b78fe863 - std::panicking::rust_panic_with_hook::hba649da8a8dace27
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:788:13
[INFO] [stderr]     12:     0x55a6b78fe744 - std::panicking::begin_panic_handler::{{closure}}::h9794aa21e85483d5
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55a6b78fd7f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h628dd5113618b8e0
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55a6b78fe477 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55a6b78d8e83 - core::panicking::panic_fmt::hfaa8da33a772c81c
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55a6b791d0ec - core::panicking::panic_display::he6cc72a20c3eba05
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/panicking.rs:256:5
[INFO] [stderr]     17:     0x55a6b78d8fe3 - core::panicking::panic_explicit::h3a47866047ef0041
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/panicking.rs:239:5
[INFO] [stderr]     18:     0x55a6b78de60a - build_script_build::main::panic_cold_explicit::hfe9b705b17eefc7b
[INFO] [stderr]     19:     0x55a6b78de5a4 - build_script_build::main::h7bde6d5203b4c85b
[INFO] [stderr]     20:     0x55a6b78da393 - core::ops::function::FnOnce::call_once::h10a15b68b3d378a0
[INFO] [stderr]     21:     0x55a6b78d9966 - std::sys_common::backtrace::__rust_begin_short_backtrace::h19faa3a22be004ed
[INFO] [stderr]     22:     0x55a6b78d9e49 - std::rt::lang_start::{{closure}}::h5b91877ed5c40664
[INFO] [stderr]     23:     0x55a6b78f7ae6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcda4ef775aa5fa80
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55a6b78f7ae6 - std::panicking::try::do_call::h883ad463914f688d
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55a6b78f7ae6 - std::panicking::try::hc1c3781267377466
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55a6b78f7ae6 - std::panic::catch_unwind::h255eec52e5946db3
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panic.rs:149:14
[INFO] [stderr]     27:     0x55a6b78f7ae6 - std::rt::lang_start_internal::{{closure}}::h8ce1ba5c140c654e
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/rt.rs:141:48
[INFO] [stderr]     28:     0x55a6b78f7ae6 - std::panicking::try::do_call::h7c5bdc7942f48e72
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:552:40
[INFO] [stderr]     29:     0x55a6b78f7ae6 - std::panicking::try::h6343c59686cf08f8
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panicking.rs:516:19
[INFO] [stderr]     30:     0x55a6b78f7ae6 - std::panic::catch_unwind::hb36583df431eff34
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/panic.rs:149:14
[INFO] [stderr]     31:     0x55a6b78f7ae6 - std::rt::lang_start_internal::h0cd8a5549e62c7a3
[INFO] [stderr]                                  at /rustc/2e5b7739e5167b731ad5eb628f04a54f932f1fe2/library/std/src/rt.rs:141:20
[INFO] [stderr]     32:     0x55a6b78d9e27 - std::rt::lang_start::h445f3e17ea9fa757
[INFO] [stderr]     33:     0x55a6b78de625 - main
[INFO] [stderr]     34:     0x7faf64302d90 - <unknown>
[INFO] [stderr]     35:     0x7faf64302e40 - __libc_start_main
[INFO] [stderr]     36:     0x55a6b78d9495 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bf284670b839bf95137c413d905eb95b93a49ef52a40d94d0a863682af132285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf284670b839bf95137c413d905eb95b93a49ef52a40d94d0a863682af132285", kill_on_drop: false }`
[INFO] [stdout] bf284670b839bf95137c413d905eb95b93a49ef52a40d94d0a863682af132285