[INFO] fetching crate proc-reader 0.5.0...
[INFO] building proc-reader-0.5.0 against try#434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 for pr-101591
[INFO] extracting crate proc-reader 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate proc-reader 0.5.0 on toolchain 434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-reader 0.5.0
[INFO] finished tweaking crates.io crate proc-reader 0.5.0
[INFO] tweaked toml for crates.io crate proc-reader 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 081ceafd47077a7f105b8b7a4caa1e5b646fc7dd42c18a1ff724b5d17eae5a06
[INFO] running `Command { std: "docker" "start" "-a" "081ceafd47077a7f105b8b7a4caa1e5b646fc7dd42c18a1ff724b5d17eae5a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081ceafd47077a7f105b8b7a4caa1e5b646fc7dd42c18a1ff724b5d17eae5a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081ceafd47077a7f105b8b7a4caa1e5b646fc7dd42c18a1ff724b5d17eae5a06", kill_on_drop: false }`
[INFO] [stdout] 081ceafd47077a7f105b8b7a4caa1e5b646fc7dd42c18a1ff724b5d17eae5a06
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad84caeb976eafddb0a2d6ec9f95f299872cfdb9e54c606aebc45437c79b3800
[INFO] running `Command { std: "docker" "start" "-a" "ad84caeb976eafddb0a2d6ec9f95f299872cfdb9e54c606aebc45437c79b3800", 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] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.132`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-0ec140aed5654d2b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.132/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564cb37407e0 - std::backtrace_rs::backtrace::libunwind::trace::h1a33810611ce8d61
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x564cb37407e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a53559f1c05e6dd
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564cb37407e0 - std::sys_common::backtrace::_print_fmt::hbeb6239bb320c748
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x564cb37407e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7fdb4e85ba340940
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x564cb375db6e - core::fmt::write::h69f72efb5c17b4ab
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]      5:     0x564cb373da65 - std::io::Write::write_fmt::h844fad8a1ef3a2e8
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x564cb3741e63 - std::sys_common::backtrace::_print::ha914f3096bed0a7c
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x564cb3741e63 - std::sys_common::backtrace::print::hf7ca71f4e06841a8
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x564cb3741e63 - std::panicking::default_hook::{{closure}}::h6be03a231a70c800
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x564cb3741b4f - std::panicking::default_hook::h8f58539bc13ee1ad
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x564cb374250a - std::panicking::rust_panic_with_hook::h7a2c121217c9432d
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x564cb3742407 - std::panicking::begin_panic_handler::{{closure}}::h1ca9e1d42243c666
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x564cb3740c8c - std::sys_common::backtrace::__rust_end_short_backtrace::h79298f0d734af14a
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x564cb3742122 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x564cb3719a93 - core::panicking::panic_fmt::h434b303c3aba650c
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x564cb375ce11 - core::panicking::panic_display::hb3ad875e119462f0
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x564cb375cdbb - core::panicking::panic_str::ha6edb658b866df65
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x564cb3719906 - core::option::expect_failed::heb591cc2186ba0bd
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/option.rs:1880:5
[INFO] [stderr]     18:     0x564cb371ba92 - core::option::Option<T>::expect::hdab9b6304710ced3
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x564cb371f5a4 - build_script_build::main::he4e305bebc530bf4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.132/build.rs:9:41
[INFO] [stderr]     20:     0x564cb3723b3b - core::ops::function::FnOnce::call_once::h6c56b9b821526a52
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     21:     0x564cb37237de - std::sys_common::backtrace::__rust_begin_short_backtrace::ha368a842a9e8c288
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x564cb371ca81 - std::rt::lang_start::{{closure}}::he3966faab0d0a143
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x564cb373b19f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0aba527962058f8d
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     24:     0x564cb373b19f - std::panicking::try::do_call::ha4178ef55820a4f8
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x564cb373b19f - std::panicking::try::h4edf4589bde3bb09
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x564cb373b19f - std::panic::catch_unwind::h0951c1592c920aa0
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x564cb373b19f - std::rt::lang_start_internal::{{closure}}::h765333e76f22cefc
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x564cb373b19f - std::panicking::try::do_call::hcd1370fdda710240
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x564cb373b19f - std::panicking::try::h477fa91d0d1d6fe2
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x564cb373b19f - std::panic::catch_unwind::h409f8207d3ed176c
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x564cb373b19f - std::rt::lang_start_internal::h9d73c5ab21cad85e
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x564cb371ca5a - std::rt::lang_start::h74bb704ae2509821
[INFO] [stderr]                                  at /rustc/434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x564cb3720d71 - main
[INFO] [stderr]     34:     0x7f362ee00083 - __libc_start_main
[INFO] [stderr]     35:     0x564cb3719c6e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ad84caeb976eafddb0a2d6ec9f95f299872cfdb9e54c606aebc45437c79b3800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad84caeb976eafddb0a2d6ec9f95f299872cfdb9e54c606aebc45437c79b3800", kill_on_drop: false }`
[INFO] [stdout] ad84caeb976eafddb0a2d6ec9f95f299872cfdb9e54c606aebc45437c79b3800