[INFO] fetching crate hermit-sys 0.1.21...
[INFO] checking hermit-sys-0.1.21 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate hermit-sys 0.1.21 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hermit-sys 0.1.21 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate hermit-sys 0.1.21
[INFO] finished tweaking crates.io crate hermit-sys 0.1.21
[INFO] tweaked toml for crates.io crate hermit-sys 0.1.21 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d11fd0d74d1e95e36b951e023d6a8aaaafabf400af45c23deb3b6241ae084dcc
[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" "d11fd0d74d1e95e36b951e023d6a8aaaafabf400af45c23deb3b6241ae084dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d11fd0d74d1e95e36b951e023d6a8aaaafabf400af45c23deb3b6241ae084dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11fd0d74d1e95e36b951e023d6a8aaaafabf400af45c23deb3b6241ae084dcc", kill_on_drop: false }`
[INFO] [stdout] d11fd0d74d1e95e36b951e023d6a8aaaafabf400af45c23deb3b6241ae084dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69acd80ce8db458d1bd33d31cbb69857fc945701cc8116dc4e09b2b3f359234
[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" "a69acd80ce8db458d1bd33d31cbb69857fc945701cc8116dc4e09b2b3f359234", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling x86 v0.39.0
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling libm v0.2.1
[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_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[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 serde_json v0.9.10
[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 hermit-sys v0.1.21 (/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 v0.1.21 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hermit-sys-1a5864f377515773/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:     0x55e0684f92a0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e0684f92a0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e0684f92a0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e0684f92a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e06851b60f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55e0684f6e35 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55e0684faf0b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e0684faf0b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e0684faf0b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55e0684fa9e1 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55e0684fb520 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:625:17
[INFO] [stderr]     11:     0x55e0684fb0b7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55e0684f973c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e0684fb019 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55e0684ab1c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55e0684ab2b3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55e0684aeb67 - core::result::Result<T,E>::expect::h2d4eb5b5cc0622cc
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55e0684ac5a1 - build_script_build::build_hermit::h258ce1502b802a4e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:100:15
[INFO] [stderr]     18:     0x55e0684ad459 - build_script_build::build::h44772f47122b177f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:199:2
[INFO] [stderr]     19:     0x55e0684adc2b - build_script_build::main::h87b8267602d50fbd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:269:2
[INFO] [stderr]     20:     0x55e0684ae20b - core::ops::function::FnOnce::call_once::hf1fc27f6e84947be
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x55e0684ae14e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6689885a80580c9f
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x55e0684ae0c1 - std::rt::lang_start::{{closure}}::h11f3a4b89752a1d0
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:49:18
[INFO] [stderr]     23:     0x55e0684fb95a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x55e0684fb95a - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:401:40
[INFO] [stderr]     25:     0x55e0684fb95a - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:365:19
[INFO] [stderr]     26:     0x55e0684fb95a - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panic.rs:433:14
[INFO] [stderr]     27:     0x55e0684fb95a - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:34:21
[INFO] [stderr]     28:     0x55e0684ae0a0 - std::rt::lang_start::hbe3d2fbffe6e3e81
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:48:5
[INFO] [stderr]     29:     0x55e0684adc4c - main
[INFO] [stderr]     30:     0x7f61499560b3 - __libc_start_main
[INFO] [stderr]     31:     0x55e0684ab97e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a69acd80ce8db458d1bd33d31cbb69857fc945701cc8116dc4e09b2b3f359234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69acd80ce8db458d1bd33d31cbb69857fc945701cc8116dc4e09b2b3f359234", kill_on_drop: false }`
[INFO] [stdout] a69acd80ce8db458d1bd33d31cbb69857fc945701cc8116dc4e09b2b3f359234