[INFO] cloning repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PanQL/rustling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Frustling", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Frustling'... [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/PanQL/rustling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00a06dbfcd2b655344e8934fd4f5592c1318cb8f [INFO] checking PanQL/rustling against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Frustling" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PanQL/rustling on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PanQL/rustling [INFO] finished tweaking git repo https://github.com/PanQL/rustling [INFO] tweaked toml for git repo https://github.com/PanQL/rustling written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/PanQL/rustling already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9aa39b7309c61740adfe9cd9b2d1c53803b2b78284825b9ee43279a0a53ab484 [INFO] running `Command { std: "docker" "start" "-a" "9aa39b7309c61740adfe9cd9b2d1c53803b2b78284825b9ee43279a0a53ab484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9aa39b7309c61740adfe9cd9b2d1c53803b2b78284825b9ee43279a0a53ab484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa39b7309c61740adfe9cd9b2d1c53803b2b78284825b9ee43279a0a53ab484", kill_on_drop: false }` [INFO] [stdout] 9aa39b7309c61740adfe9cd9b2d1c53803b2b78284825b9ee43279a0a53ab484 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c37eb5a15f37e6c81671e3d378d56ce226c2e732b3d56372c94d7f9f1bea893 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5c37eb5a15f37e6c81671e3d378d56ce226c2e732b3d56372c94d7f9f1bea893", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling argh_shared v0.1.4 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.93` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-249f7f643d38f60c/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.93/build.rs:9:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560646d42230 - std::backtrace_rs::backtrace::libunwind::trace::h00d1e5a76557e524 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x560646d42230 - std::backtrace_rs::backtrace::trace_unsynchronized::h7030e598eb17fdb3 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x560646d42230 - std::sys_common::backtrace::_print_fmt::hc5a28f8aac102f0f [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x560646d42230 - ::fmt::h8ce04244e72f3145 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x560646d6043c - core::fmt::write::hed5f584c56e23105 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/fmt/mod.rs:1198:17 [INFO] [stderr] 5: 0x560646d3f805 - std::io::Write::write_fmt::h83787e195c5caffe [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/io/mod.rs:1672:15 [INFO] [stderr] 6: 0x560646d43981 - std::sys_common::backtrace::_print::hdf547503fbfc4c66 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x560646d43981 - std::sys_common::backtrace::print::he437102e8a30310a [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x560646d43981 - std::panicking::default_hook::{{closure}}::h32f1cc65f1b1c901 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x560646d43653 - std::panicking::default_hook::h915c8b207b44d1f2 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x560646d44023 - std::panicking::rust_panic_with_hook::hbbbe8d7e1cb4e82e [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:698:17 [INFO] [stderr] 11: 0x560646d43f17 - std::panicking::begin_panic_handler::{{closure}}::hbf929e570764bc16 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:588:13 [INFO] [stderr] 12: 0x560646d42754 - std::sys_common::backtrace::__rust_end_short_backtrace::hf4482b22446b5996 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x560646d43c42 - rust_begin_unwind [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:584:5 [INFO] [stderr] 14: 0x560646d19893 - core::panicking::panic_fmt::hb0714206ebbf8ba2 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x560646d5f621 - core::panicking::panic_display::hc6a65a029a1616f1 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:72:5 [INFO] [stderr] 16: 0x560646d5f5cb - core::panicking::panic_str::hedd8b1aa9fb19198 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:56:5 [INFO] [stderr] 17: 0x560646d19706 - core::option::expect_failed::hccc420325731c76f [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/option.rs:1874:5 [INFO] [stderr] 18: 0x560646d1f332 - core::option::Option::expect::h7599b82ebde9ccf3 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/option.rs:738:21 [INFO] [stderr] 19: 0x560646d255c4 - build_script_build::main::h8dea556c8763294e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.93/build.rs:9:41 [INFO] [stderr] 20: 0x560646d1e3bb - core::ops::function::FnOnce::call_once::hc9bfa842e529819b [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/ops/function.rs:248:5 [INFO] [stderr] 21: 0x560646d1fd4e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha94f13d60e8eb8c1 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 22: 0x560646d234a1 - std::rt::lang_start::{{closure}}::h4e0a82bbb856cb18 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:145:18 [INFO] [stderr] 23: 0x560646d3cb1a - core::ops::function::impls:: for &F>::call_once::h85456ac169513433 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/ops/function.rs:280:13 [INFO] [stderr] 24: 0x560646d3cb1a - std::panicking::try::do_call::h86728a2711222fd9 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:492:40 [INFO] [stderr] 25: 0x560646d3cb1a - std::panicking::try::h8b1457b95e546711 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:456:19 [INFO] [stderr] 26: 0x560646d3cb1a - std::panic::catch_unwind::h2ac4e8d8793abc9a [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x560646d3cb1a - std::rt::lang_start_internal::{{closure}}::hcb2254011a8e369c [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:128:48 [INFO] [stderr] 28: 0x560646d3cb1a - std::panicking::try::do_call::h828c6074437c82ea [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:492:40 [INFO] [stderr] 29: 0x560646d3cb1a - std::panicking::try::h423f906481771172 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:456:19 [INFO] [stderr] 30: 0x560646d3cb1a - std::panic::catch_unwind::h1b4f03e479077ed0 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x560646d3cb1a - std::rt::lang_start_internal::hbb28bc22991b184e [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:128:20 [INFO] [stderr] 32: 0x560646d23470 - std::rt::lang_start::ha79dcbf671ca1d92 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:144:17 [INFO] [stderr] 33: 0x560646d26c2c - main [INFO] [stderr] 34: 0x7fdc7dfe0083 - __libc_start_main [INFO] [stderr] 35: 0x560646d19a8e - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5c37eb5a15f37e6c81671e3d378d56ce226c2e732b3d56372c94d7f9f1bea893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c37eb5a15f37e6c81671e3d378d56ce226c2e732b3d56372c94d7f9f1bea893", kill_on_drop: false }` [INFO] [stdout] 5c37eb5a15f37e6c81671e3d378d56ce226c2e732b3d56372c94d7f9f1bea893