[INFO] cloning repository https://github.com/02alexander/stack4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/stack4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7722bb99a7e190daaa43a2ca056077c181da1bd2 [INFO] testing 02alexander/stack4 against beta-2021-08-01 for beta-1.55-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/02alexander/stack4 on toolchain beta-2021-08-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/02alexander/stack4 [INFO] finished tweaking git repo https://github.com/02alexander/stack4 [INFO] tweaked toml for git repo https://github.com/02alexander/stack4 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/02alexander/stack4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest_derive v2.0.1 [INFO] [stderr] Downloaded pest_meta v2.0.3 [INFO] [stderr] Downloaded pest v2.0.2 [INFO] [stderr] Downloaded toml v0.4.9 [INFO] [stderr] Downloaded notify v4.0.6 [INFO] [stderr] Downloaded devise v0.1.0 [INFO] [stderr] Downloaded devise_codegen v0.1.0 [INFO] [stderr] Downloaded smallvec v0.6.6 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded pest_generator v2.0.0 [INFO] [stderr] Downloaded tokio-reactor v0.1.7 [INFO] [stderr] Downloaded regex-syntax v0.6.3 [INFO] [stderr] Downloaded rocket_contrib v0.4.0-rc.1 [INFO] [stderr] Downloaded rocket_codegen v0.4.0-rc.1 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded redox_syscall v0.1.42 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded rustc-demangle v0.1.9 [INFO] [stderr] Downloaded serde_json v1.0.33 [INFO] [stderr] Downloaded crossbeam-utils v0.6.1 [INFO] [stderr] Downloaded hyper v0.10.15 [INFO] [stderr] Downloaded devise_core v0.1.0 [INFO] [stderr] Downloaded filetime v0.2.4 [INFO] [stderr] Downloaded rocket_http v0.4.0-rc.1 [INFO] [stderr] Downloaded rocket v0.4.0-rc.1 [INFO] [stderr] Downloaded cookie v0.11.0 [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 595b7eed34ffb7e07a34485a57c409dd38862e1575ac1c90d99b7e2bbc639f82 [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" "595b7eed34ffb7e07a34485a57c409dd38862e1575ac1c90d99b7e2bbc639f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "595b7eed34ffb7e07a34485a57c409dd38862e1575ac1c90d99b7e2bbc639f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "595b7eed34ffb7e07a34485a57c409dd38862e1575ac1c90d99b7e2bbc639f82", kill_on_drop: false }` [INFO] [stdout] 595b7eed34ffb7e07a34485a57c409dd38862e1575ac1c90d99b7e2bbc639f82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19105749c2499457ca1a5bd1d115dc965097c87f20fb6621e0339640159d9e34 [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" "19105749c2499457ca1a5bd1d115dc965097c87f20fb6621e0339640159d9e34", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling unic-char-range v0.7.0 [INFO] [stderr] Compiling unic-common v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.1 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling unic-char-property v0.7.0 [INFO] [stderr] Compiling unic-ucd-version v0.7.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0-rc.1 [INFO] [stderr] Compiling rocket v0.4.0-rc.1 [INFO] [stderr] Compiling smallvec v0.6.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling unic-ucd-segment v0.7.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-8a6f8fb3aa088faf/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.55.0-beta.3 (2021-07-31). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c9b5914a50 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55c9b5914a50 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c9b5914a50 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c9b5914a50 - ::fmt::h48b88277def8b362 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c9b5931a2c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55c9b5912915 - std::io::Write::write_fmt::hd42607e5d8e44db0 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55c9b591668b - std::sys_common::backtrace::_print::ha537687d6c17dd0d [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c9b591668b - std::sys_common::backtrace::print::h61376ae57d131d72 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c9b591668b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c9b5916161 - std::panicking::default_hook::hdac7fc06578c14ce [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c9b5916d54 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55c9b58e894f - std::panicking::begin_panic::{{closure}}::hba73d0855ae5a9d9 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:542:9 [INFO] [stderr] 12: 0x55c9b58e8608 - std::sys_common::backtrace::__rust_end_short_backtrace::h9e764acc0a21a848 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c9b58e8895 - std::panicking::begin_panic::hbeeffa192c996c27 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:541:12 [INFO] [stderr] 14: 0x55c9b58e715f - build_script_build::main::hb1d60aa5fe400f5c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] 15: 0x55c9b58e947b - core::ops::function::FnOnce::call_once::h7a070acc28e7dde7 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55c9b58e864e - std::sys_common::backtrace::__rust_begin_short_backtrace::h54927af071a08183 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55c9b58e8351 - std::rt::lang_start::{{closure}}::he9892ba086d4de08 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x55c9b591725a - core::ops::function::impls:: for &F>::call_once::ha88a7d1a4d24e549 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55c9b591725a - std::panicking::try::do_call::hd3b1d7740607ccc7 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40 [INFO] [stderr] 20: 0x55c9b591725a - std::panicking::try::h0ee8c65ac7461507 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19 [INFO] [stderr] 21: 0x55c9b591725a - std::panic::catch_unwind::head47f0de4ccd838 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14 [INFO] [stderr] 22: 0x55c9b591725a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x55c9b591725a - std::panicking::try::do_call::h2609e52e8bad4a7b [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x55c9b591725a - std::panicking::try::hd0929f0b603e0389 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x55c9b591725a - std::panic::catch_unwind::h27902b81c3e47571 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x55c9b591725a - std::rt::lang_start_internal::h3fb2d794dd391e3e [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x55c9b58e8320 - std::rt::lang_start::hce9d69347bd5d8d4 [INFO] [stderr] at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x55c9b58e7ddc - main [INFO] [stderr] 29: 0x7fba87d990b3 - __libc_start_main [INFO] [stderr] 30: 0x55c9b58e693e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "19105749c2499457ca1a5bd1d115dc965097c87f20fb6621e0339640159d9e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19105749c2499457ca1a5bd1d115dc965097c87f20fb6621e0339640159d9e34", kill_on_drop: false }` [INFO] [stdout] 19105749c2499457ca1a5bd1d115dc965097c87f20fb6621e0339640159d9e34