[INFO] fetching crate notedown_ast 0.16.3...
[INFO] checking notedown_ast-0.16.3 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate notedown_ast 0.16.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate notedown_ast 0.16.3 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notedown_ast 0.16.3
[INFO] finished tweaking crates.io crate notedown_ast 0.16.3
[INFO] tweaked toml for crates.io crate notedown_ast 0.16.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.9.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7abce349a514841ef8b680657793d37bb54d67d24521b62756360d4cf8099a67
[INFO] running `Command { std: "docker" "start" "-a" "7abce349a514841ef8b680657793d37bb54d67d24521b62756360d4cf8099a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7abce349a514841ef8b680657793d37bb54d67d24521b62756360d4cf8099a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abce349a514841ef8b680657793d37bb54d67d24521b62756360d4cf8099a67", kill_on_drop: false }`
[INFO] [stdout] 7abce349a514841ef8b680657793d37bb54d67d24521b62756360d4cf8099a67
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbdc192047c27a0fcc26f01a53b8eda717aefa8db2b74efe16c6cd6cb1fd22d
[INFO] running `Command { std: "docker" "start" "-a" "9dbdc192047c27a0fcc26f01a53b8eda717aefa8db2b74efe16c6cd6cb1fd22d", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking daachorse v1.0.0
[INFO] [stderr]    Compiling validatus v0.0.2
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking ucd-trie v0.1.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking askama_escape v0.10.3
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr] error: failed to run custom build command for `validatus v0.0.2`
[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/validatus-1ce3c1e5e61f3d8a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/validatus-0.0.2/build.rs:11:9:
[INFO] [stderr]   Unexpected value for rustc toolchain
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ec470f0e42 - std::backtrace_rs::backtrace::libunwind::trace::h7703129c079f804b
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55ec470f0e42 - std::backtrace_rs::backtrace::trace_unsynchronized::hc6303c12986be223
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55ec470f0e42 - std::sys::backtrace::_print_fmt::h4938eee713b356ec
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x55ec470f0e42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7c3382f1d302af34
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x55ec4710bb23 - core::fmt::rt::Argument::fmt::h6b07b3258ffc61ce
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/core/src/fmt/rt.rs:179:76
[INFO] [stderr]      5:     0x55ec4710bb23 - core::fmt::write::h859070812c8448f1
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/core/src/fmt/mod.rs:1481:25
[INFO] [stderr]      6:     0x55ec470eeb13 - std::io::default_write_fmt::h20b04bf5505a214e
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55ec470eeb13 - std::io::Write::write_fmt::hc3136429afe81f9c
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x55ec470f0c92 - std::sys::backtrace::BacktraceLock::print::hd2c63eb4bc199280
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x55ec470f1d02 - std::panicking::default_hook::{{closure}}::h6c9757fa60294692
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x55ec470f1b05 - std::panicking::default_hook::hd86b14cbd8a668d7
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x55ec470f25d2 - std::panicking::rust_panic_with_hook::h3d9586e8b3260c13
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x55ec470f2436 - std::panicking::begin_panic_handler::{{closure}}::h7fe85e40ae2344e1
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x55ec470f1339 - std::sys::backtrace::__rust_end_short_backtrace::h82a73d3880c3be93
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x55ec470f20fd - __rustc[1b82e7b26ae17e9d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x55ec4710aff0 - core::panicking::panic_fmt::ha57a849d6d926ba8
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x55ec470d0f03 - build_script_build::main::h8a49c8e6cd97a3cf
[INFO] [stderr]     17:     0x55ec470d08e3 - core::ops::function::FnOnce::call_once::hdfe0f5b6e69b8e7d
[INFO] [stderr]     18:     0x55ec470d0876 - std::sys::backtrace::__rust_begin_short_backtrace::h5e6996bcb05e0ca8
[INFO] [stderr]     19:     0x55ec470d07d9 - std::rt::lang_start::{{closure}}::hed865a33981ad668
[INFO] [stderr]     20:     0x55ec470ebe70 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdeb6474dbebc713e
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x55ec470ebe70 - std::panicking::try::do_call::h336cbab7a280cf26
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:589:40
[INFO] [stderr]     22:     0x55ec470ebe70 - std::panicking::try::hd0b359bbd6f70fb8
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:552:19
[INFO] [stderr]     23:     0x55ec470ebe70 - std::panic::catch_unwind::h1da951be80695fdd
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x55ec470ebe70 - std::rt::lang_start_internal::{{closure}}::ha6abec5c175090b7
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x55ec470ebe70 - std::panicking::try::do_call::h398944567bf8166e
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:589:40
[INFO] [stderr]     26:     0x55ec470ebe70 - std::panicking::try::h516c2a7e41135c9e
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panicking.rs:552:19
[INFO] [stderr]     27:     0x55ec470ebe70 - std::panic::catch_unwind::hc2a92049712e61b3
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x55ec470ebe70 - std::rt::lang_start_internal::h5b322768594627b9
[INFO] [stderr]                                  at /rustc/0c7fed2b7584d310ca8221267fa1b3bec4df427f/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x55ec470d07c1 - std::rt::lang_start::h3963993c612828b3
[INFO] [stderr]     30:     0x55ec470d0f45 - main
[INFO] [stderr]     31:     0x7f98c7d461ca - <unknown>
[INFO] [stderr]     32:     0x7f98c7d4628b - __libc_start_main
[INFO] [stderr]     33:     0x55ec470d06d5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9dbdc192047c27a0fcc26f01a53b8eda717aefa8db2b74efe16c6cd6cb1fd22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbdc192047c27a0fcc26f01a53b8eda717aefa8db2b74efe16c6cd6cb1fd22d", kill_on_drop: false }`
[INFO] [stdout] 9dbdc192047c27a0fcc26f01a53b8eda717aefa8db2b74efe16c6cd6cb1fd22d