[INFO] cloning repository https://github.com/cosm-os/kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosm-os/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosm-os%2Fkernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosm-os%2Fkernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40da47505d06782238e185193faffa894b5ec22d
[INFO] documenting cosm-os/kernel against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosm-os%2Fkernel" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosm-os/kernel on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/cosm-os/kernel
[INFO] finished tweaking git repo https://github.com/cosm-os/kernel
[INFO] tweaked toml for git repo https://github.com/cosm-os/kernel written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cosm-os/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" "+1.86.0" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a892a481583706dc069fbc2dfdd2f2bbd93f8949598f799fd024c21bed646fd
[INFO] running `Command { std: "docker" "start" "-a" "6a892a481583706dc069fbc2dfdd2f2bbd93f8949598f799fd024c21bed646fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a892a481583706dc069fbc2dfdd2f2bbd93f8949598f799fd024c21bed646fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a892a481583706dc069fbc2dfdd2f2bbd93f8949598f799fd024c21bed646fd", kill_on_drop: false }`
[INFO] [stdout] 6a892a481583706dc069fbc2dfdd2f2bbd93f8949598f799fd024c21bed646fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fdfa703edb2ea1389f187166f4bddd071fe7d3e770fffd06658a6abf974dca4
[INFO] running `Command { std: "docker" "start" "-a" "0fdfa703edb2ea1389f187166f4bddd071fe7d3e770fffd06658a6abf974dca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling cosmos-kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cosmos-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/cosmos-kernel-816a72f28c6479ca/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-env=TARGET=x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=INITFS_FOLDER
[INFO] [stderr]   cargo:rerun-if-changed=src/asm/x86_64/trampoline.asm
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:108:10:
[INFO] [stderr]   failed to run `yasm`: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561ca596ea20 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x561ca596ea20 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x561ca596ea20 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x561ca596ea20 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d42cc84fc840290
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x561ca598f8b3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x561ca598f8b3 - core::fmt::write::h5af61a909e3ec64d
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x561ca596c073 - std::io::Write::write_fmt::h5a7b54aa6e4a315d
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x561ca596e872 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x561ca596f7bf - std::panicking::default_hook::{{closure}}::h9128866118196224
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x561ca596f62a - std::panicking::default_hook::h52e9e7314e0255f6
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x561ca5970072 - std::panicking::rust_panic_with_hook::h541791bcc774ef34
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x561ca596ff0a - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x561ca596ef29 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x561ca596fb9d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x561ca592f3b0 - core::panicking::panic_fmt::h5764ee7030b7a73d
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x561ca592f756 - core::result::unwrap_failed::h3ff7104a9ace307a
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x561ca593c90c - core::result::Result<T,E>::expect::hb568c8b28913e2c4
[INFO] [stderr]     17:     0x561ca593f07d - build_script_build::asm::hb8a1067a003749c4
[INFO] [stderr]     18:     0x561ca593f638 - build_script_build::main::h9eb8d6dc96002172
[INFO] [stderr]     19:     0x561ca593a133 - core::ops::function::FnOnce::call_once::hd98e4c9e9da70b7d
[INFO] [stderr]     20:     0x561ca593bdc6 - std::sys::backtrace::__rust_begin_short_backtrace::h596264a33f1538ba
[INFO] [stderr]     21:     0x561ca593bda9 - std::rt::lang_start::{{closure}}::h67027342618f7ac9
[INFO] [stderr]     22:     0x561ca5968dd0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h11180d46f4bd77b0
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x561ca5968dd0 - std::panicking::try::do_call::hd4e634b5516dff98
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
[INFO] [stderr]     24:     0x561ca5968dd0 - std::panicking::try::hb26f372c4276d7b4
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
[INFO] [stderr]     25:     0x561ca5968dd0 - std::panic::catch_unwind::hcff84ccd1cc2f0a5
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x561ca5968dd0 - std::rt::lang_start_internal::{{closure}}::h7f5cb21b2420f132
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x561ca5968dd0 - std::panicking::try::do_call::he996326bc7b05062
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40
[INFO] [stderr]     28:     0x561ca5968dd0 - std::panicking::try::h17585bee78ecbda5
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19
[INFO] [stderr]     29:     0x561ca5968dd0 - std::panic::catch_unwind::h366ac34033c6e5d6
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x561ca5968dd0 - std::rt::lang_start_internal::h15895544e2012228
[INFO] [stderr]                                  at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x561ca593bd91 - std::rt::lang_start::h3230c285988ef007
[INFO] [stderr]     32:     0x561ca593fc45 - main
[INFO] [stderr]     33:     0x73f4d72e71ca - <unknown>
[INFO] [stderr]     34:     0x73f4d72e728b - __libc_start_main
[INFO] [stderr]     35:     0x561ca592f965 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0fdfa703edb2ea1389f187166f4bddd071fe7d3e770fffd06658a6abf974dca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdfa703edb2ea1389f187166f4bddd071fe7d3e770fffd06658a6abf974dca4", kill_on_drop: false }`
[INFO] [stdout] 0fdfa703edb2ea1389f187166f4bddd071fe7d3e770fffd06658a6abf974dca4