[INFO] cloning repository https://github.com/mxj4/typeholder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxj4/typeholder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxj4%2Ftypeholder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxj4%2Ftypeholder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08b588d63243f4720916d09f79b8f7a8bd556774
[INFO] testing mxj4/typeholder against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxj4%2Ftypeholder" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxj4/typeholder on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mxj4/typeholder
[INFO] finished tweaking git repo https://github.com/mxj4/typeholder
[INFO] tweaked toml for git repo https://github.com/mxj4/typeholder written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/mxj4/typeholder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2688bf0af78e1f6cfbf4950bbf086c9eda89d4f88fd41b134cdd13f61f2ecfa
[INFO] running `Command { std: "docker" "start" "-a" "f2688bf0af78e1f6cfbf4950bbf086c9eda89d4f88fd41b134cdd13f61f2ecfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2688bf0af78e1f6cfbf4950bbf086c9eda89d4f88fd41b134cdd13f61f2ecfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2688bf0af78e1f6cfbf4950bbf086c9eda89d4f88fd41b134cdd13f61f2ecfa", kill_on_drop: false }`
[INFO] [stdout] f2688bf0af78e1f6cfbf4950bbf086c9eda89d4f88fd41b134cdd13f61f2ecfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674a3763f730df13ad6e2842b05c41c8bd51366e1abcd013c8cfb4586a9825b0
[INFO] running `Command { std: "docker" "start" "-a" "674a3763f730df13ad6e2842b05c41c8bd51366e1abcd013c8cfb4586a9825b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling gio v0.1.3 (https://github.com/gtk-rs/gio#2b2b061b)
[INFO] [stderr]    Compiling cairo-rs v0.1.3 (https://github.com/gtk-rs/cairo#94c84e60)
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3 (https://github.com/gtk-rs/gdk-pixbuf#cc1c9ab4)
[INFO] [stderr]    Compiling gdk v0.5.3 (https://github.com/gtk-rs/gdk#cdb612c7)
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling gtk v0.1.3 (https://github.com/gtk-rs/gtk#6f83f435)
[INFO] [stderr]    Compiling peresil v0.3.0
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling gettext-rs v0.3.0
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling sxd-document v0.2.3
[INFO] [stderr]    Compiling typeholder v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> build.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling glib-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gobject-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gio-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4 (https://github.com/gtk-rs/cairo#94c84e60)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling pango-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gdk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling atk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stderr]    Compiling gtk-sys v0.3.4 (https://github.com/gtk-rs/sys#af83826e)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `typeholder v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/typeholder-ab5ba5469c7c8c32/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'attempted to leave type `linked_hash_map::Node<&str, alloc::vec::Vec<(&str, &str)>>` uninitialized, which is invalid', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.4.2/src/lib.rs:174:52
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56476a644eec - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x56476a644eec - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56476a644eec - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56476a644eec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56476a65fdac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x56476a6427a5 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x56476a6464f0 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56476a6464f0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56476a6464f0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x56476a64609b - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x56476a646ba4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x56476a646652 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:500:13
[INFO] [stderr]     12:     0x56476a6453a4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x56476a6465e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x56476a5fed31 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stderr]     15:     0x56476a5fec7d - core::panicking::panic::h50b51d19800453c0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:47:5
[INFO] [stderr]     16:     0x56476a62c069 - core::mem::uninitialized::hc1b9609a284f7364
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/mem/mod.rs:676:9
[INFO] [stderr]     17:     0x56476a62c069 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h6889c6d10b35fe81
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.4.2/src/lib.rs:174:52
[INFO] [stderr]     18:     0x56476a62c57a - linked_hash_map::LinkedHashMap<K,V,S>::insert::h80ce687edca82206
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.4.2/src/lib.rs:305:9
[INFO] [stderr]     19:     0x56476a62b646 - <linked_hash_map::LinkedHashMap<K,V,S> as core::iter::traits::collect::Extend<(K,V)>>::extend::h464587f4bd62cdb5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.4.2/src/lib.rs:729:13
[INFO] [stderr]     20:     0x56476a62bb18 - <linked_hash_map::LinkedHashMap<K,V,S> as core::iter::traits::collect::FromIterator<(K,V)>>::from_iter::he3fc8da4589f2297
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.4.2/src/lib.rs:748:9
[INFO] [stderr]     21:     0x56476a613a96 - core::iter::traits::iterator::Iterator::collect::hc9f07de0d3a4cad0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/iter/traits/iterator.rs:1745:9
[INFO] [stderr]     22:     0x56476a618c58 - build_script_build::generate_scripts_macro::h2e77c9f0bb189221
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:60:59
[INFO] [stderr]     23:     0x56476a61847b - build_script_build::main::hce40cce6277e921f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:25:9
[INFO] [stderr]     24:     0x56476a60f1bb - core::ops::function::FnOnce::call_once::h5548a6f89bd7d273
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     25:     0x56476a6249ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hef792860a23dc887
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     26:     0x56476a6215d1 - std::rt::lang_start::{{closure}}::hd3fa062d22dc0729
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18
[INFO] [stderr]     27:     0x56476a644731 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     28:     0x56476a644731 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     29:     0x56476a644731 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     30:     0x56476a644731 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     31:     0x56476a644731 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48
[INFO] [stderr]     32:     0x56476a644731 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     33:     0x56476a644731 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     34:     0x56476a644731 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     35:     0x56476a644731 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20
[INFO] [stderr]     36:     0x56476a6215a0 - std::rt::lang_start::h76f77a1c1881af14
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17
[INFO] [stderr]     37:     0x56476a61a2fc - main
[INFO] [stderr]     38:     0x7f2b881100b3 - __libc_start_main
[INFO] [stderr]     39:     0x56476a5ff46e - _start
[INFO] [stderr]     40:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "674a3763f730df13ad6e2842b05c41c8bd51366e1abcd013c8cfb4586a9825b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674a3763f730df13ad6e2842b05c41c8bd51366e1abcd013c8cfb4586a9825b0", kill_on_drop: false }`
[INFO] [stdout] 674a3763f730df13ad6e2842b05c41c8bd51366e1abcd013c8cfb4586a9825b0