[INFO] cloning repository https://github.com/aep/zz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aep/zz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a86bbd0a5676cc4644942174bb5b29cae58a2c8
[INFO] checking aep/zz against try#c34df645207dd0b6887b2312cf109109ba3a0ffb for pr-102513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aep/zz on toolchain c34df645207dd0b6887b2312cf109109ba3a0ffb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aep/zz
[INFO] finished tweaking git repo https://github.com/aep/zz
[INFO] tweaked toml for git repo https://github.com/aep/zz written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aep/zz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61f75e493fdeebe77081a3424905abfcad98a3356971aefab4e296249f5bb9cc
[INFO] running `Command { std: "docker" "start" "-a" "61f75e493fdeebe77081a3424905abfcad98a3356971aefab4e296249f5bb9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f75e493fdeebe77081a3424905abfcad98a3356971aefab4e296249f5bb9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f75e493fdeebe77081a3424905abfcad98a3356971aefab4e296249f5bb9cc", kill_on_drop: false }`
[INFO] [stdout] 61f75e493fdeebe77081a3424905abfcad98a3356971aefab4e296249f5bb9cc
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e9a1ffed60309971ec4d5849192eb1ce7b8dcd46ac0b420d1c4c77eb15c7475
[INFO] running `Command { std: "docker" "start" "-a" "5e9a1ffed60309971ec4d5849192eb1ce7b8dcd46ac0b420d1c4c77eb15c7475", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.69`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-2d33acaac7d78886/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.69/build.rs:7:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557e00406120 - std::backtrace_rs::backtrace::libunwind::trace::hf5c4c10a1e4edf4d
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x557e00406120 - std::backtrace_rs::backtrace::trace_unsynchronized::hdba91ee651017170
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557e00406120 - std::sys_common::backtrace::_print_fmt::h00b18af68a7ddc45
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x557e00406120 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h40fe36658a3a1e08
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x557e0042328e - core::fmt::write::h1f8391dd57e8cdfc
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/fmt/mod.rs:1209:17
[INFO] [stderr]      5:     0x557e004034e5 - std::io::Write::write_fmt::h7630b92b207f664a
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x557e004077b3 - std::sys_common::backtrace::_print::hae8469959cda3a77
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x557e004077b3 - std::sys_common::backtrace::print::ha99eadebd99915e0
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x557e004077b3 - std::panicking::default_hook::{{closure}}::hdec8b2dba1a747f1
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x557e0040748a - std::panicking::default_hook::h74703028ce2e1209
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x557e00407e59 - std::panicking::rust_panic_with_hook::h91937c3cb84658ce
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:669:13
[INFO] [stderr]     11:     0x557e00407d57 - std::panicking::begin_panic_handler::{{closure}}::hc61d0d985df6913a
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:560:13
[INFO] [stderr]     12:     0x557e004065cc - std::sys_common::backtrace::__rust_end_short_backtrace::h63e85c98a4017d0c
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x557e00407a72 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:556:5
[INFO] [stderr]     14:     0x557e003dfb43 - core::panicking::panic_fmt::h83b49263f82025fd
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x557e00422531 - core::panicking::panic_display::h5b24fc67ba0cc9d1
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x557e004224db - core::panicking::panic_str::h1aab51cf7918eb15
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x557e003df9b6 - core::option::expect_failed::h42c657dadeab311d
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/option.rs:1873:5
[INFO] [stderr]     18:     0x557e003e9712 - core::option::Option<T>::expect::hd814d448fd93656d
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x557e003e6c27 - build_script_build::main::ha5098912303e1375
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.69/build.rs:7:9
[INFO] [stderr]     20:     0x557e003e57ab - core::ops::function::FnOnce::call_once::he649ab2ffe632076
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/ops/function.rs:251:5
[INFO] [stderr]     21:     0x557e003e88fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h38e6c9f59ec5c298
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x557e003e2021 - std::rt::lang_start::{{closure}}::h8cb1255cd68f5f57
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x557e0040091f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he48aae3adde22ea9
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/core/src/ops/function.rs:286:13
[INFO] [stderr]     24:     0x557e0040091f - std::panicking::try::do_call::h8d662ac8b2a09460
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:464:40
[INFO] [stderr]     25:     0x557e0040091f - std::panicking::try::h95b44ec8f1bc562c
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:428:19
[INFO] [stderr]     26:     0x557e0040091f - std::panic::catch_unwind::hf88521aab12056b3
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x557e0040091f - std::rt::lang_start_internal::{{closure}}::ha0e5504d8c0d17c0
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x557e0040091f - std::panicking::try::do_call::hd994d4ad1295806d
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:464:40
[INFO] [stderr]     29:     0x557e0040091f - std::panicking::try::hf6853110a9be4b0f
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panicking.rs:428:19
[INFO] [stderr]     30:     0x557e0040091f - std::panic::catch_unwind::hd08dd6cffc0d0647
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x557e0040091f - std::rt::lang_start_internal::h59a8afba7bcc7a87
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x557e003e1ffa - std::rt::lang_start::hc0746fc8d2312602
[INFO] [stderr]                                  at /rustc/c34df645207dd0b6887b2312cf109109ba3a0ffb/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x557e003e80d1 - main
[INFO] [stderr]     34:     0x7f15639a1083 - __libc_start_main
[INFO] [stderr]     35:     0x557e003dfd1e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e9a1ffed60309971ec4d5849192eb1ce7b8dcd46ac0b420d1c4c77eb15c7475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9a1ffed60309971ec4d5849192eb1ce7b8dcd46ac0b420d1c4c77eb15c7475", kill_on_drop: false }`
[INFO] [stdout] 5e9a1ffed60309971ec4d5849192eb1ce7b8dcd46ac0b420d1c4c77eb15c7475