[INFO] cloning repository https://github.com/Wonko7/notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wonko7/notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonko7%2Fnotifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonko7%2Fnotifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb5b1eca984da0175a81fb913bffd1576220bd6c
[INFO] testing Wonko7/notifier against try#015dbcea68b7642e2acc268b5c8f3e9086fc02ff for pr-102570
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonko7%2Fnotifier" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wonko7/notifier on toolchain 015dbcea68b7642e2acc268b5c8f3e9086fc02ff
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wonko7/notifier
[INFO] finished tweaking git repo https://github.com/Wonko7/notifier
[INFO] tweaked toml for git repo https://github.com/Wonko7/notifier written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Wonko7/notifier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01175d8a3a5604bd1ab691d3885db40ceb97416d2380d618d6b020a76a167395
[INFO] running `Command { std: "docker" "start" "-a" "01175d8a3a5604bd1ab691d3885db40ceb97416d2380d618d6b020a76a167395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01175d8a3a5604bd1ab691d3885db40ceb97416d2380d618d6b020a76a167395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01175d8a3a5604bd1ab691d3885db40ceb97416d2380d618d6b020a76a167395", kill_on_drop: false }`
[INFO] [stdout] 01175d8a3a5604bd1ab691d3885db40ceb97416d2380d618d6b020a76a167395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+015dbcea68b7642e2acc268b5c8f3e9086fc02ff" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d72d74582d3fbe6bcbca41f2ccc13378bda65260e365029c79280873f07308
[INFO] running `Command { std: "docker" "start" "-a" "62d72d74582d3fbe6bcbca41f2ccc13378bda65260e365029c79280873f07308", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[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:     0x55a7559ac840 - std::backtrace_rs::backtrace::libunwind::trace::hecb21857e99d889d
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55a7559ac840 - std::backtrace_rs::backtrace::trace_unsynchronized::h390569d291d382e6
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a7559ac840 - std::sys_common::backtrace::_print_fmt::he268a904f7419e52
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55a7559ac840 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hedbee76c21719161
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a7559c993e - core::fmt::write::hd7abf800172f9326
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/fmt/mod.rs:1209:17
[INFO] [stderr]      5:     0x55a7559a9df5 - std::io::Write::write_fmt::h16feca50b93a3788
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x55a7559ac605 - std::sys_common::backtrace::_print::he1bf0c0215d8eb21
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x55a7559ac605 - std::sys_common::backtrace::print::h1d63cc8fb6910f4d
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x55a7559adcef - std::panicking::default_hook::{{closure}}::h06165285990169e4
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55a7559ada2a - std::panicking::default_hook::hc8c52a6a2d770858
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55a7559ae3ec - std::panicking::rust_panic_with_hook::h4b7f78aa6e886a78
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x55a7559ae187 - std::panicking::begin_panic_handler::{{closure}}::h8c929b88c5c37601
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:579:13
[INFO] [stderr]     12:     0x55a7559accec - std::sys_common::backtrace::__rust_end_short_backtrace::h61d4e5f81197e3cc
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x55a7559adea2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x55a755986083 - core::panicking::panic_fmt::hd23e6f8c5d094f51
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/panicking.rs:65:14
[INFO] [stderr]     15:     0x55a7559c8be1 - core::panicking::panic_display::h0324a09440f9fd22
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/panicking.rs:139:5
[INFO] [stderr]     16:     0x55a7559c8b8b - core::panicking::panic_str::h2125cf834f656e25
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/panicking.rs:123:5
[INFO] [stderr]     17:     0x55a755986046 - core::option::expect_failed::h578269a4412e5a5c
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/option.rs:1879:5
[INFO] [stderr]     18:     0x55a75598fdb9 - core::option::Option<T>::expect::hdac88895759c6c09
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/option.rs:741:21
[INFO] [stderr]     19:     0x55a75598c9e7 - build_script_build::main::hd7fd99a5deed0607
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.69/build.rs:7:9
[INFO] [stderr]     20:     0x55a75598e9fb - core::ops::function::FnOnce::call_once::h7e47e49730563956
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/ops/function.rs:510:5
[INFO] [stderr]     21:     0x55a75598f73e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha7ced8e7d2b0c68c
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     22:     0x55a7559886d1 - std::rt::lang_start::{{closure}}::h3a01c7994c9f023e
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x55a7559a724b - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0beb6046e0e1b0d6
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/core/src/ops/function.rs:606:13
[INFO] [stderr]     24:     0x55a7559a724b - std::panicking::try::do_call::h1b8f4d53cf610004
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:483:40
[INFO] [stderr]     25:     0x55a7559a724b - std::panicking::try::hdf67621b4ed8fc84
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:447:19
[INFO] [stderr]     26:     0x55a7559a724b - std::panic::catch_unwind::h826d87a07f972d58
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x55a7559a724b - std::rt::lang_start_internal::{{closure}}::h50999eb1f27c8af6
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55a7559a724b - std::panicking::try::do_call::h99edc9a10996101f
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:483:40
[INFO] [stderr]     29:     0x55a7559a724b - std::panicking::try::hd9a2916c5d22ab14
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panicking.rs:447:19
[INFO] [stderr]     30:     0x55a7559a724b - std::panic::catch_unwind::h8b5b4c3a984837c2
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x55a7559a724b - std::rt::lang_start_internal::hec3daba3a267c82e
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55a7559886aa - std::rt::lang_start::h6a8c30b9cac796ae
[INFO] [stderr]                                  at /rustc/015dbcea68b7642e2acc268b5c8f3e9086fc02ff/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x55a75598de7e - main
[INFO] [stderr]     34:     0x7f99ae6a0083 - __libc_start_main
[INFO] [stderr]     35:     0x55a7559863ce - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "62d72d74582d3fbe6bcbca41f2ccc13378bda65260e365029c79280873f07308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d72d74582d3fbe6bcbca41f2ccc13378bda65260e365029c79280873f07308", kill_on_drop: false }`
[INFO] [stdout] 62d72d74582d3fbe6bcbca41f2ccc13378bda65260e365029c79280873f07308