[INFO] fetching crate janet-ll 0.4.1...
[INFO] testing janet-ll-0.4.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate janet-ll 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate janet-ll 0.4.1
[INFO] finished tweaking crates.io crate janet-ll 0.4.1
[INFO] tweaked toml for crates.io crate janet-ll 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate janet-ll 0.4.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.49.4 (available: v0.72.1)
[INFO] [stderr]       Adding shlex v0.1.1 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 592a2974d16a8757f6d89a0390c4537ee6a8fc1466ed6fde873487e9b8479613
[INFO] running `Command { std: "docker" "start" "-a" "592a2974d16a8757f6d89a0390c4537ee6a8fc1466ed6fde873487e9b8479613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "592a2974d16a8757f6d89a0390c4537ee6a8fc1466ed6fde873487e9b8479613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592a2974d16a8757f6d89a0390c4537ee6a8fc1466ed6fde873487e9b8479613", kill_on_drop: false }`
[INFO] [stdout] 592a2974d16a8757f6d89a0390c4537ee6a8fc1466ed6fde873487e9b8479613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7c17b240bc7958d10fcebda451ed590ae62002b9cf0c6da1c5664b5f96bbc7
[INFO] running `Command { std: "docker" "start" "-a" "9e7c17b240bc7958d10fcebda451ed590ae62002b9cf0c6da1c5664b5f96bbc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling janet-ll v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `janet-ll v0.4.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/janet-ll-4d15498fae55dd28/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (660) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/fallback.rs:594:9:
[INFO] [stderr]   "JanetFuncEnv_union_(unnamed_at__/csrc/janet_h_780_5)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x62c3a082c892 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x62c3a082c892 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x62c3a082c892 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x62c3a082c892 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hffd20ad4e5eca8ab
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x62c3a083d8ef - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x62c3a083d8ef - core::fmt::write::h6d9d3a7cfd7b84f5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x62c3a07ff393 - std::io::default_write_fmt::ha7130bf70117e1da
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x62c3a07ff393 - std::io::Write::write_fmt::h22459ad26fe60c51
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x62c3a0809f12 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x62c3a080c9ff - std::panicking::default_hook::{{closure}}::h7555113b62983743
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x62c3a080c859 - std::panicking::default_hook::h2714b564abe8d914
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x62c3a080cfd5 - std::panicking::panic_with_hook::h190dc82263685ec5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x62c3a080ce6a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x62c3a080a049 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x62c3a07f369d - __rustc[9b67c8562bba447b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x62c3a0847a70 - core::panicking::panic_fmt::hc084f85b1e76c16d
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x62c3a06ec95f - proc_macro2::fallback::validate_ident::he3ec6eb38c76df85
[INFO] [stderr]     17:     0x62c3a06ef081 - proc_macro2::fallback::Ident::_new::hd4d78728f9d5fc80
[INFO] [stderr]     18:     0x62c3a06ef03f - proc_macro2::fallback::Ident::new::h1e418de6548870f0
[INFO] [stderr]     19:     0x62c3a06e5698 - proc_macro2::Ident::new::hfe52da934be2c491
[INFO] [stderr]     20:     0x62c3a0458575 - bindgen::ir::context::BindgenContext::rust_ident_raw::h782229af3c2d294f
[INFO] [stderr]     21:     0x62c3a0456650 - bindgen::ir::context::BindgenContext::rust_ident::hfa83efbe20561b91
[INFO] [stderr]     22:     0x62c3a03a3a4f - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h26611dba1f14462b
[INFO] [stderr]     23:     0x62c3a03d29b5 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8a3bbe8b9b96dc4a
[INFO] [stderr]     24:     0x62c3a0420035 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hfabee9d130f0df22
[INFO] [stderr]     25:     0x62c3a03abca1 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h26611dba1f14462b
[INFO] [stderr]     26:     0x62c3a03d29b5 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8a3bbe8b9b96dc4a
[INFO] [stderr]     27:     0x62c3a0420035 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hfabee9d130f0df22
[INFO] [stderr]     28:     0x62c3a049c565 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h9f8efbd3c3d903cd
[INFO] [stderr]     29:     0x62c3a047dcdd - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h6323692d675210dc
[INFO] [stderr]     30:     0x62c3a042000d - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hfabee9d130f0df22
[INFO] [stderr]     31:     0x62c3a04a8bbf - bindgen::codegen::codegen::{{closure}}::hce7e10dc98156afe
[INFO] [stderr]     32:     0x62c3a0463b28 - bindgen::ir::context::BindgenContext::gen::h4bba155484d61094
[INFO] [stderr]     33:     0x62c3a04a832d - bindgen::codegen::codegen::h334abebb5630b1f6
[INFO] [stderr]     34:     0x62c3a0394f85 - bindgen::Bindings::generate::hbae4f1bdddddea49
[INFO] [stderr]     35:     0x62c3a03921b1 - bindgen::Builder::generate::h38d45cda5a1a6e83
[INFO] [stderr]     36:     0x62c3a03715f3 - build_script_build::main::h5cf45543d0f653c8
[INFO] [stderr]     37:     0x62c3a0372083 - core::ops::function::FnOnce::call_once::h06a6e3720341843f
[INFO] [stderr]     38:     0x62c3a0371fb6 - std::sys::backtrace::__rust_begin_short_backtrace::h049aaafdbd8558b9
[INFO] [stderr]     39:     0x62c3a0371f99 - std::rt::lang_start::{{closure}}::h91949fb350973493
[INFO] [stderr]     40:     0x62c3a0800eb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcc75fa61d21ecbe5
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     41:     0x62c3a0800eb0 - std::panicking::catch_unwind::do_call::h38c051a071ca3bc0
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]     42:     0x62c3a0800eb0 - std::panicking::catch_unwind::hede2a2f6f4519f78
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]     43:     0x62c3a0800eb0 - std::panic::catch_unwind::h94765a19f52c0a43
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     44:     0x62c3a0800eb0 - std::rt::lang_start_internal::{{closure}}::hb89c21d557706591
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24
[INFO] [stderr]     45:     0x62c3a0800eb0 - std::panicking::catch_unwind::do_call::h50685f05733aeeef
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stderr]     46:     0x62c3a0800eb0 - std::panicking::catch_unwind::hf9ba9716b02e6738
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stderr]     47:     0x62c3a0800eb0 - std::panic::catch_unwind::h29770e281302b24d
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stderr]     48:     0x62c3a0800eb0 - std::rt::lang_start_internal::hd5573b1f5f705a2a
[INFO] [stderr]                                  at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5
[INFO] [stderr]     49:     0x62c3a0371f81 - std::rt::lang_start::h2ff0aebee714df61
[INFO] [stderr]     50:     0x62c3a0373795 - main
[INFO] [stderr]     51:     0x7ef5c4b211ca - <unknown>
[INFO] [stderr]     52:     0x7ef5c4b2128b - __libc_start_main
[INFO] [stderr]     53:     0x62c3a03712c5 - _start
[INFO] [stderr]     54:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9e7c17b240bc7958d10fcebda451ed590ae62002b9cf0c6da1c5664b5f96bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7c17b240bc7958d10fcebda451ed590ae62002b9cf0c6da1c5664b5f96bbc7", kill_on_drop: false }`
[INFO] [stdout] 9e7c17b240bc7958d10fcebda451ed590ae62002b9cf0c6da1c5664b5f96bbc7