[INFO] fetching crate hermit-sys 0.1.20...
[INFO] checking hermit-sys-0.1.20 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate hermit-sys 0.1.20 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hermit-sys 0.1.20 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hermit-sys 0.1.20
[INFO] finished tweaking crates.io crate hermit-sys 0.1.20
[INFO] tweaked toml for crates.io crate hermit-sys 0.1.20 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded register v1.0.2
[INFO] [stderr]   Downloaded rftrace v0.1.0
[INFO] [stderr]   Downloaded managed v0.7.2
[INFO] [stderr]   Downloaded tock-registers v0.6.0
[INFO] [stderr]   Downloaded aarch64 v0.0.5
[INFO] [stderr]   Downloaded cortex-a v5.1.6
[INFO] [stderr]   Downloaded smoltcp v0.6.0
[INFO] [stderr]   Downloaded x86 v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a89ca0a70ea6b43faf3106111253c29a0d4ad12c1e87339000c4bbd58a458d1f
[INFO] running `Command { std: "docker" "start" "-a" "a89ca0a70ea6b43faf3106111253c29a0d4ad12c1e87339000c4bbd58a458d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a89ca0a70ea6b43faf3106111253c29a0d4ad12c1e87339000c4bbd58a458d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89ca0a70ea6b43faf3106111253c29a0d4ad12c1e87339000c4bbd58a458d1f", kill_on_drop: false }`
[INFO] [stdout] a89ca0a70ea6b43faf3106111253c29a0d4ad12c1e87339000c4bbd58a458d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf342987d052308c79fec9ac1f1d506f3824782a4b4aaf8ad52b7f6108a7e21
[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" "acf342987d052308c79fec9ac1f1d506f3824782a4b4aaf8ad52b7f6108a7e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling x86 v0.37.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling hermit-sys v0.1.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DirEntry`, `WalkDir`
[INFO] [stdout]   --> build.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | use walkdir::{DirEntry, WalkDir};
[INFO] [stdout]    |               ^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `hermit-sys v0.1.20 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hermit-sys-1ce9aa2862204350/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=HERMIT_IP
[INFO] [stderr]   cargo:rerun-if-env-changed=HERMIT_GATEWAY
[INFO] [stderr]   cargo:rerun-if-env-changed=HERMIT_MASK
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Unable to build kernel: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:100:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f13da11a30 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f13da11a30 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f13da11a30 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f13da11a30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f13da33baf - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55f13da0f5b5 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/io/mod.rs:1578:15
[INFO] [stderr]      6:     0x55f13da1357b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f13da1357b - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f13da1357b - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55f13da1305d - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55f13da13b2d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55f13da13727 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55f13da11ecc - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f13da13689 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55f13d9c4001 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55f13d9c40f3 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55f13d9c79c7 - core::result::Result<T,E>::expect::h55df1317b275c54e
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55f13d9c5371 - build_script_build::build_hermit::h9d90a8a29df75481
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:100:15
[INFO] [stderr]     18:     0x55f13d9c6229 - build_script_build::build::ha0f2953cc11f7409
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:199:2
[INFO] [stderr]     19:     0x55f13d9c69fe - build_script_build::main::hf409c5e1c33adf1f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:269:2
[INFO] [stderr]     20:     0x55f13d9c6f8b - core::ops::function::FnOnce::call_once::hd4fdc981810b1d34
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x55f13d9c6f1e - std::sys_common::backtrace::__rust_begin_short_backtrace::he696c3962aba1dbe
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x55f13d9c6e91 - std::rt::lang_start::{{closure}}::heb8d0503f4e42125
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:66:18
[INFO] [stderr]     23:     0x55f13da13f2a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x55f13da13f2a - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:379:40
[INFO] [stderr]     25:     0x55f13da13f2a - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:343:19
[INFO] [stderr]     26:     0x55f13da13f2a - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panic.rs:431:14
[INFO] [stderr]     27:     0x55f13da13f2a - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:51:25
[INFO] [stderr]     28:     0x55f13d9c6e70 - std::rt::lang_start::he6bbe2ebc5f9fa7f
[INFO] [stderr]                                  at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:65:5
[INFO] [stderr]     29:     0x55f13d9c6a1c - main
[INFO] [stderr]     30:     0x7f5d3eb9e0b3 - __libc_start_main
[INFO] [stderr]     31:     0x55f13d9c475e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "acf342987d052308c79fec9ac1f1d506f3824782a4b4aaf8ad52b7f6108a7e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf342987d052308c79fec9ac1f1d506f3824782a4b4aaf8ad52b7f6108a7e21", kill_on_drop: false }`
[INFO] [stdout] acf342987d052308c79fec9ac1f1d506f3824782a4b4aaf8ad52b7f6108a7e21