[INFO] cloning repository https://github.com/Wolly94/priority_queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wolly94/priority_queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWolly94%2Fpriority_queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWolly94%2Fpriority_queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adc9c5e77f2131c4804296a4fe96ca39be98a552
[INFO] checking Wolly94/priority_queue against try#c644323b09519a162e2eb40ae64e09b294aad611 for pr-105102-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWolly94%2Fpriority_queue" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wolly94/priority_queue on toolchain c644323b09519a162e2eb40ae64e09b294aad611
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c644323b09519a162e2eb40ae64e09b294aad611" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wolly94/priority_queue
[INFO] finished tweaking git repo https://github.com/Wolly94/priority_queue
[INFO] tweaked toml for git repo https://github.com/Wolly94/priority_queue written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Wolly94/priority_queue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c644323b09519a162e2eb40ae64e09b294aad611" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+c644323b09519a162e2eb40ae64e09b294aad611" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f17b68259606c9331db0a2716d0aa070cd897f282a0c83d871f17c1b0472f5
[INFO] running `Command { std: "docker" "start" "-a" "f5f17b68259606c9331db0a2716d0aa070cd897f282a0c83d871f17c1b0472f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f17b68259606c9331db0a2716d0aa070cd897f282a0c83d871f17c1b0472f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f17b68259606c9331db0a2716d0aa070cd897f282a0c83d871f17c1b0472f5", kill_on_drop: false }`
[INFO] [stdout] f5f17b68259606c9331db0a2716d0aa070cd897f282a0c83d871f17c1b0472f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+c644323b09519a162e2eb40ae64e09b294aad611" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c0e79a6460bfa773494471d15d73f0f255ece6fd00ae8d48246ff6e409c7eb
[INFO] running `Command { std: "docker" "start" "-a" "16c0e79a6460bfa773494471d15d73f0f255ece6fd00ae8d48246ff6e409c7eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.79`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-b7ce5c251dedf200/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-0.2.79/build.rs:7:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d1e21f8b8a - std::backtrace_rs::backtrace::libunwind::trace::hfde2f326cea65d4c
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55d1e21f8b8a - std::backtrace_rs::backtrace::trace_unsynchronized::h4418c6084c169b18
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d1e21f8b8a - std::sys_common::backtrace::_print_fmt::hb74eb29fd4e2a173
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55d1e21f8b8a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h333c94a6ad81298e
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d1e221601e - core::fmt::write::he0a2a4615ca9332b
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/fmt/mod.rs:1208:17
[INFO] [stderr]      5:     0x55d1e21f60f5 - std::io::Write::write_fmt::ha6811cbe8d8cc615
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x55d1e21f8955 - std::sys_common::backtrace::_print::h3a77a1b933fb3c20
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x55d1e21f8955 - std::sys_common::backtrace::print::h2a1b6a7bc33d481a
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x55d1e21f9fdf - std::panicking::default_hook::{{closure}}::h2dc4dfe27dcef14d
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55d1e21f9d1b - std::panicking::default_hook::ha6fc41f384466ab2
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55d1e21fa6ec - std::panicking::rust_panic_with_hook::h57f03496c5284888
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x55d1e21fa489 - std::panicking::begin_panic_handler::{{closure}}::hb77446e9f6d82ffb
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:579:13
[INFO] [stderr]     12:     0x55d1e21f903c - std::sys_common::backtrace::__rust_end_short_backtrace::h6d499ec33d9b7a1f
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x55d1e21fa192 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x55d1e21d21f3 - core::panicking::panic_fmt::ha2ff9d648ff605bb
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/panicking.rs:64:14
[INFO] [stderr]     15:     0x55d1e22154c1 - core::panicking::panic_display::he882d434bb0f82ee
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/panicking.rs:135:5
[INFO] [stderr]     16:     0x55d1e221546b - core::panicking::panic_str::hd5d0df3574586c12
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/panicking.rs:119:5
[INFO] [stderr]     17:     0x55d1e21d21b6 - core::option::expect_failed::h354f71f08944937d
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/option.rs:1879:5
[INFO] [stderr]     18:     0x55d1e21d40d4 - core::option::Option<T>::expect::h5fdfee001a535c15
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/option.rs:741:21
[INFO] [stderr]     19:     0x55d1e21d8a99 - build_script_build::main::h257534b8e75b8e39
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.79/build.rs:7:9
[INFO] [stderr]     20:     0x55d1e21da08b - core::ops::function::FnOnce::call_once::he77528e357c7e6ae
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/ops/function.rs:507:5
[INFO] [stderr]     21:     0x55d1e21dbbde - std::sys_common::backtrace::__rust_begin_short_backtrace::h008050cde6aab05b
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     22:     0x55d1e21d5031 - std::rt::lang_start::{{closure}}::h66d721ae7f3b5d7e
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x55d1e21f348c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc8cef862f1fffa1c
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/core/src/ops/function.rs:606:13
[INFO] [stderr]     24:     0x55d1e21f348c - std::panicking::try::do_call::hb5c4e0ddfc41e06c
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:483:40
[INFO] [stderr]     25:     0x55d1e21f348c - std::panicking::try::hd27f37d010d40561
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:447:19
[INFO] [stderr]     26:     0x55d1e21f348c - std::panic::catch_unwind::h74d436cddb8ce953
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x55d1e21f348c - std::rt::lang_start_internal::{{closure}}::h7c675be86cea92a4
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55d1e21f348c - std::panicking::try::do_call::hf0b9cb00ddf51426
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:483:40
[INFO] [stderr]     29:     0x55d1e21f348c - std::panicking::try::ha5c802d734d7dab9
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panicking.rs:447:19
[INFO] [stderr]     30:     0x55d1e21f348c - std::panic::catch_unwind::h3f4eb3c7e28accf4
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x55d1e21f348c - std::rt::lang_start_internal::ha74538891e8ec299
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55d1e21d500a - std::rt::lang_start::h415b3df3cea2ea72
[INFO] [stderr]                                  at /rustc/c644323b09519a162e2eb40ae64e09b294aad611/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x55d1e21d9f7e - main
[INFO] [stderr]     34:     0x7f836c313083 - __libc_start_main
[INFO] [stderr]     35:     0x55d1e21d270e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "16c0e79a6460bfa773494471d15d73f0f255ece6fd00ae8d48246ff6e409c7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c0e79a6460bfa773494471d15d73f0f255ece6fd00ae8d48246ff6e409c7eb", kill_on_drop: false }`
[INFO] [stdout] 16c0e79a6460bfa773494471d15d73f0f255ece6fd00ae8d48246ff6e409c7eb