[INFO] cloning repository https://github.com/ben-stringer/cos701 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-stringer/cos701" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0f3ba2a1a916dbd432f8934ef68161ce0d69cf0 [INFO] checking ben-stringer/cos701 against try#df0acfe6d8f079d1fdd8e6b7447569d81b00f126 for pr-100555 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-stringer%2Fcos701" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben-stringer/cos701 on toolchain df0acfe6d8f079d1fdd8e6b7447569d81b00f126 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ben-stringer/cos701 [INFO] finished tweaking git repo https://github.com/ben-stringer/cos701 [INFO] tweaked toml for git repo https://github.com/ben-stringer/cos701 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ben-stringer/cos701 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 595d1ed5a4629349af45dc9ebc9235851cc3267556a0c7fd49e97b07f2656771 [INFO] running `Command { std: "docker" "start" "-a" "595d1ed5a4629349af45dc9ebc9235851cc3267556a0c7fd49e97b07f2656771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "595d1ed5a4629349af45dc9ebc9235851cc3267556a0c7fd49e97b07f2656771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "595d1ed5a4629349af45dc9ebc9235851cc3267556a0c7fd49e97b07f2656771", kill_on_drop: false }` [INFO] [stdout] 595d1ed5a4629349af45dc9ebc9235851cc3267556a0c7fd49e97b07f2656771 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d7a75b40fd75974facff163651725ca3d38d875aefa3775f8ce5f9dba24346b [INFO] running `Command { std: "docker" "start" "-a" "0d7a75b40fd75974facff163651725ca3d38d875aefa3775f8ce5f9dba24346b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bytemuck v1.5.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking delaunator v0.2.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.86` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-c478ae0748136365/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-0.2.86/build.rs:7:31 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5568a685baf0 - std::backtrace_rs::backtrace::libunwind::trace::hbcb16d55b8506aa5 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x5568a685baf0 - std::backtrace_rs::backtrace::trace_unsynchronized::hf7a4a940fa1f8cb8 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5568a685baf0 - std::sys_common::backtrace::_print_fmt::h19b6bfb86a540beb [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x5568a685baf0 - ::fmt::h4efbd2ca76dfe43c [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x5568a68792ce - core::fmt::write::hcf151bde7961613c [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/fmt/mod.rs:1202:17 [INFO] [stderr] 5: 0x5568a6858e95 - std::io::Write::write_fmt::h2918ebef2857dcc1 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/io/mod.rs:1672:15 [INFO] [stderr] 6: 0x5568a685d253 - std::sys_common::backtrace::_print::h1c807555f929250e [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x5568a685d253 - std::sys_common::backtrace::print::he7ea6eb92b22658d [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x5568a685d253 - std::panicking::default_hook::{{closure}}::h8f797a1af3524f7c [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x5568a685cf3f - std::panicking::default_hook::hbf4c39be1bbb3401 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x5568a685d8fa - std::panicking::rust_panic_with_hook::h4a8efaaadf0befd0 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:698:17 [INFO] [stderr] 11: 0x5568a685d7f7 - std::panicking::begin_panic_handler::{{closure}}::h8865961652c93e34 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:588:13 [INFO] [stderr] 12: 0x5568a685bffc - std::sys_common::backtrace::__rust_end_short_backtrace::h7afec31e55a85950 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x5568a685d512 - rust_begin_unwind [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:584:5 [INFO] [stderr] 14: 0x5568a68369f3 - core::panicking::panic_fmt::he96037b585e1115c [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x5568a68784a1 - core::panicking::panic_display::h3b55b9fb77fbd928 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/panicking.rs:72:5 [INFO] [stderr] 16: 0x5568a687844b - core::panicking::panic_str::h25e89ae3556f8500 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/panicking.rs:56:5 [INFO] [stderr] 17: 0x5568a6836866 - core::option::expect_failed::hbc9c38ca36bc796f [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/option.rs:1874:5 [INFO] [stderr] 18: 0x5568a68390d2 - core::option::Option::expect::he4764632f87c27d1 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/option.rs:738:21 [INFO] [stderr] 19: 0x5568a683ef77 - build_script_build::main::h5cba676ebab5198f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.86/build.rs:7:9 [INFO] [stderr] 20: 0x5568a684072b - core::ops::function::FnOnce::call_once::h0fe28c11983e5d10 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/ops/function.rs:248:5 [INFO] [stderr] 21: 0x5568a68404ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h5bb5470524848224 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 22: 0x5568a683c601 - std::rt::lang_start::{{closure}}::hce67481688bf5d79 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/rt.rs:145:18 [INFO] [stderr] 23: 0x5568a685643f - core::ops::function::impls:: for &F>::call_once::h987fd3f116a43cca [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/core/src/ops/function.rs:280:13 [INFO] [stderr] 24: 0x5568a685643f - std::panicking::try::do_call::he85eb085216da788 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:492:40 [INFO] [stderr] 25: 0x5568a685643f - std::panicking::try::h25079d941d646086 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:456:19 [INFO] [stderr] 26: 0x5568a685643f - std::panic::catch_unwind::h9c086a3ee7527dfa [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x5568a685643f - std::rt::lang_start_internal::{{closure}}::haefcd4fd2d1db261 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/rt.rs:128:48 [INFO] [stderr] 28: 0x5568a685643f - std::panicking::try::do_call::hd76eb7e433e75818 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:492:40 [INFO] [stderr] 29: 0x5568a685643f - std::panicking::try::h961618ebe7254241 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panicking.rs:456:19 [INFO] [stderr] 30: 0x5568a685643f - std::panic::catch_unwind::h6bd0ce65cff8f49a [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x5568a685643f - std::rt::lang_start_internal::hc47d5c9a63edda98 [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/rt.rs:128:20 [INFO] [stderr] 32: 0x5568a683c5d0 - std::rt::lang_start::h9ea172ffdf23990c [INFO] [stderr] at /rustc/df0acfe6d8f079d1fdd8e6b7447569d81b00f126/library/std/src/rt.rs:144:17 [INFO] [stderr] 33: 0x5568a684044c - main [INFO] [stderr] 34: 0x7f65f6cd7083 - __libc_start_main [INFO] [stderr] 35: 0x5568a6836bee - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0d7a75b40fd75974facff163651725ca3d38d875aefa3775f8ce5f9dba24346b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d7a75b40fd75974facff163651725ca3d38d875aefa3775f8ce5f9dba24346b", kill_on_drop: false }` [INFO] [stdout] 0d7a75b40fd75974facff163651725ca3d38d875aefa3775f8ce5f9dba24346b