[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] testing cosm-os/kernel against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosm-os%2Fkernel" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosm-os/kernel on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-28/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-28/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-28/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: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5579986edda39755a929d03be6efafc789ee9d7768921d661d5d82e89c0f150e
[INFO] running `Command { std: "docker" "start" "-a" "5579986edda39755a929d03be6efafc789ee9d7768921d661d5d82e89c0f150e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5579986edda39755a929d03be6efafc789ee9d7768921d661d5d82e89c0f150e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5579986edda39755a929d03be6efafc789ee9d7768921d661d5d82e89c0f150e", kill_on_drop: false }`
[INFO] [stdout] 5579986edda39755a929d03be6efafc789ee9d7768921d661d5d82e89c0f150e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9405c8b3d0a9a5f7cfa2992aeb454a8e3666fec52cb66359387e47806095ad9e
[INFO] running `Command { std: "docker" "start" "-a" "9405c8b3d0a9a5f7cfa2992aeb454a8e3666fec52cb66359387e47806095ad9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cosmos-kernel-55427c4d32c77bbf/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]   thread 'main' panicked at 'failed to run `yasm`: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:108:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5637a7403a7c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5637a7403a7c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5637a7403a7c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5637a7403a7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5637a7421b7c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x5637a7401035 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x5637a7405080 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5637a7405080 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5637a7405080 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x5637a7404c2b - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x5637a7405734 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x5637a7405210 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x5637a7403f34 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5637a7405179 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x5637a73c21b1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stderr]     15:     0x5637a73c2243 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x5637a73d4cff - core::result::Result<T,E>::expect::h7b3e48ebc6ca5ca9
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x5637a73d2990 - build_script_build::asm::h374b116740a7c7f9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:103:18
[INFO] [stderr]     18:     0x5637a73d2d89 - build_script_build::main::h3dab3528d835fa34
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:138:5
[INFO] [stderr]     19:     0x5637a73cb46b - core::ops::function::FnOnce::call_once::h9e806d3a765e57b2
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5637a73c9fee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1a7d12d60dd9aca7
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     21:     0x5637a73c90d1 - std::rt::lang_start::{{closure}}::h86d538c5eb08d2ef
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x5637a74032c1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5637a74032c1 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x5637a74032c1 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x5637a74032c1 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x5637a74032c1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x5637a74032c1 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x5637a74032c1 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x5637a74032c1 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x5637a74032c1 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x5637a73c90a0 - std::rt::lang_start::h065cae8af9d7e489
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x5637a73d325c - main
[INFO] [stderr]     33:     0x7f933d12e0b3 - __libc_start_main
[INFO] [stderr]     34:     0x5637a73c28ce - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9405c8b3d0a9a5f7cfa2992aeb454a8e3666fec52cb66359387e47806095ad9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9405c8b3d0a9a5f7cfa2992aeb454a8e3666fec52cb66359387e47806095ad9e", kill_on_drop: false }`
[INFO] [stdout] 9405c8b3d0a9a5f7cfa2992aeb454a8e3666fec52cb66359387e47806095ad9e