[INFO] fetching crate hermit-sys 0.1.15...
[INFO] checking hermit-sys-0.1.15 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate hermit-sys 0.1.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hermit-sys 0.1.15 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hermit-sys 0.1.15
[INFO] finished tweaking crates.io crate hermit-sys 0.1.15
[INFO] tweaked toml for crates.io crate hermit-sys 0.1.15 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bb43e6141610e72b111fe7c3522b8c1ebdd7aa3735a66f274e45784b7be37cd
[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" "8bb43e6141610e72b111fe7c3522b8c1ebdd7aa3735a66f274e45784b7be37cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bb43e6141610e72b111fe7c3522b8c1ebdd7aa3735a66f274e45784b7be37cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb43e6141610e72b111fe7c3522b8c1ebdd7aa3735a66f274e45784b7be37cd", kill_on_drop: false }`
[INFO] [stdout] 8bb43e6141610e72b111fe7c3522b8c1ebdd7aa3735a66f274e45784b7be37cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7dacfe1b5069042c999433326aafd410ed9e1fc5da3866f606d3a2ff5e93ac
[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" "6f7dacfe1b5069042c999433326aafd410ed9e1fc5da3866f606d3a2ff5e93ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86 v0.34.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hermit-sys v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DirEntry`, `WalkDir`
[INFO] [stdout]  --> build.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use walkdir::{DirEntry, WalkDir};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `hermit-sys v0.1.15 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hermit-sys-c5f057e658612413/build-script-build` (exit code: 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:44:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55663f483c00 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55663f483c00 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55663f483c00 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55663f483c00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55663f4a110c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55663f4812b7 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55663f485e70 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55663f485e70 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55663f485e70 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55663f485bbc - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55663f4864d3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55663f4860a9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55663f48406c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55663f486069 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55663f4a0431 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55663f4a0253 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55663f45f374 - core::result::Result<T,E>::expect::hcde49f3678c04b3c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x55663f45bd3a - build_script_build::build_hermit::h07aa3544c38cb9f4
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:44
[INFO] [stderr]     18:     0x55663f45c88d - build_script_build::build::h644545ac2d4c0264
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:84
[INFO] [stderr]     19:     0x55663f45cf7b - build_script_build::main::hdf5589122eeee6b1
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:154
[INFO] [stderr]     20:     0x55663f4628eb - core::ops::function::FnOnce::call_once::h991517d1af36e966
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:227
[INFO] [stderr]     21:     0x55663f45f83e - std::sys_common::backtrace::__rust_begin_short_backtrace::h10ccee4781c27115
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     22:     0x55663f465491 - std::rt::lang_start::{{closure}}::h73ad9dcf15b044ad
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:66
[INFO] [stderr]     23:     0x55663f4868d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:259
[INFO] [stderr]     24:     0x55663f4868d1 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:381
[INFO] [stderr]     25:     0x55663f4868d1 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:345
[INFO] [stderr]     26:     0x55663f4868d1 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panic.rs:382
[INFO] [stderr]     27:     0x55663f4868d1 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:51
[INFO] [stderr]     28:     0x55663f465467 - std::rt::lang_start::h08123aaad240a776
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:65
[INFO] [stderr]     29:     0x55663f45cfaa - main
[INFO] [stderr]     30:     0x7fd9212870b3 - __libc_start_main
[INFO] [stderr]     31:     0x55663f45a0ae - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6f7dacfe1b5069042c999433326aafd410ed9e1fc5da3866f606d3a2ff5e93ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7dacfe1b5069042c999433326aafd410ed9e1fc5da3866f606d3a2ff5e93ac", kill_on_drop: false }`
[INFO] [stdout] 6f7dacfe1b5069042c999433326aafd410ed9e1fc5da3866f606d3a2ff5e93ac