[INFO] fetching crate aocleaderboard 0.2.0... [INFO] testing aocleaderboard-0.2.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate aocleaderboard 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate aocleaderboard 0.2.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate aocleaderboard 0.2.0 [INFO] finished tweaking crates.io crate aocleaderboard 0.2.0 [INFO] tweaked toml for crates.io crate aocleaderboard 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate aocleaderboard 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pear_codegen v0.1.4 [INFO] [stderr] Downloaded aes-soft v0.3.3 [INFO] [stderr] Downloaded aead v0.2.0 [INFO] [stderr] Downloaded cookie v0.11.3 [INFO] [stderr] Downloaded ghash v0.2.3 [INFO] [stderr] Downloaded universal-hash v0.3.0 [INFO] [stderr] Downloaded polyval v0.3.3 [INFO] [stderr] Downloaded block-cipher-trait v0.6.2 [INFO] [stderr] Downloaded serde-hjson v0.9.1 [INFO] [stderr] Downloaded rustls v0.14.0 [INFO] [stderr] Downloaded aesni v0.6.0 [INFO] [stderr] Downloaded aes v0.3.2 [INFO] [stderr] Downloaded hyper-sync-rustls v0.3.0-rc.4 [INFO] [stderr] Downloaded rocket_http v0.4.5 [INFO] [stderr] Downloaded aes-gcm v0.5.0 [INFO] [stderr] Downloaded rocket_contrib v0.4.5 [INFO] [stderr] Downloaded pear v0.1.4 [INFO] [stderr] Downloaded rocket_codegen v0.4.5 [INFO] [stderr] Downloaded rocket v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12b3d910254b7b72d74a500e184bf1cea6716bf851e2c67529c9db4012a7ae64 [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" "12b3d910254b7b72d74a500e184bf1cea6716bf851e2c67529c9db4012a7ae64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12b3d910254b7b72d74a500e184bf1cea6716bf851e2c67529c9db4012a7ae64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12b3d910254b7b72d74a500e184bf1cea6716bf851e2c67529c9db4012a7ae64", kill_on_drop: false }` [INFO] [stdout] 12b3d910254b7b72d74a500e184bf1cea6716bf851e2c67529c9db4012a7ae64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 7b910580398e131b0d632463013a72d56c50c01c580f62967c28d1dab4f66844 [INFO] running `Command { std: "docker" "start" "-a" "7b910580398e131b0d632463013a72d56c50c01c580f62967c28d1dab4f66844", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling cc v1.0.61 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling futures-io v0.3.8 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling zeroize v1.1.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.20 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling unic-common v0.7.0 [INFO] [stderr] Compiling unic-char-range v0.7.0 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling humantime v2.0.1 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling addr2line v0.14.0 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.5 [INFO] [stderr] Compiling rocket v0.4.5 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling unic-ucd-version v0.7.0 [INFO] [stderr] Compiling unic-char-property v0.7.0 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling conv v0.3.3 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling unic-ucd-segment v0.7.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.15 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.12 [INFO] [stderr] Compiling tracing v0.1.21 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling aho-corasick v0.7.14 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-1375e9df1fa90db2/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.50.0 (2020-12-31) [INFO] [stderr] 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-0.1.4/build.rs:24:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c343b78247 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55c343b78247 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c343b78247 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c343b78247 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c343b92a6c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55c343b757a2 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55c343b79f85 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c343b79f85 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c343b79f85 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c343b79ada - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c343b7a721 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55c343b3fc1a - std::panicking::begin_panic::{{closure}}::h015c1bcdab719551 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:520:9 [INFO] [stderr] 12: 0x55c343b40078 - std::sys_common::backtrace::__rust_end_short_backtrace::hc7981d46a8bde4b3 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c343b3fb57 - std::panicking::begin_panic::h37e59d4c1b176919 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:519:12 [INFO] [stderr] 14: 0x55c343b3d832 - build_script_build::main::h4105f40fe8310a24 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] 15: 0x55c343b3f82b - core::ops::function::FnOnce::call_once::h409c037d66d10758 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55c343b400ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h57358e1e8b6815d3 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55c343b3f6b1 - std::rt::lang_start::{{closure}}::hed6e4ae621715192 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x55c343b7ab47 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55c343b7ab47 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 20: 0x55c343b7ab47 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 21: 0x55c343b7ab47 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x55c343b7ab47 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x55c343b3f687 - std::rt::lang_start::h49b5daae25444e14 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x55c343b3dfca - main [INFO] [stderr] 25: 0x7fc7fa3b20b3 - __libc_start_main [INFO] [stderr] 26: 0x55c343b3d0ae - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7b910580398e131b0d632463013a72d56c50c01c580f62967c28d1dab4f66844", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b910580398e131b0d632463013a72d56c50c01c580f62967c28d1dab4f66844", kill_on_drop: false }` [INFO] [stdout] 7b910580398e131b0d632463013a72d56c50c01c580f62967c28d1dab4f66844