[INFO] cloning repository https://github.com/luis-vmjr/freedu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luis-vmjr/freedu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aee7589a31c4e88cec5b8092aa499ca2b413359f [INFO] checking luis-vmjr/freedu against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluis-vmjr%2Ffreedu" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luis-vmjr/freedu on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luis-vmjr/freedu [INFO] finished tweaking git repo https://github.com/luis-vmjr/freedu [INFO] tweaked toml for git repo https://github.com/luis-vmjr/freedu written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/luis-vmjr/freedu already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb4212034a4e3a678ac424e04212c39e4fb33a1a23e3c8ab3da242ab62e98043 [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" "bb4212034a4e3a678ac424e04212c39e4fb33a1a23e3c8ab3da242ab62e98043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb4212034a4e3a678ac424e04212c39e4fb33a1a23e3c8ab3da242ab62e98043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb4212034a4e3a678ac424e04212c39e4fb33a1a23e3c8ab3da242ab62e98043", kill_on_drop: false }` [INFO] [stdout] bb4212034a4e3a678ac424e04212c39e4fb33a1a23e3c8ab3da242ab62e98043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 781b3d06552b1071e30b2e0ba7a08e091dc665ec320397300f993a6a59d995d5 [INFO] running `Command { std: "docker" "start" "-a" "781b3d06552b1071e30b2e0ba7a08e091dc665ec320397300f993a6a59d995d5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking constant_time_eq v0.1.3 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking slice-deque v0.1.13 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling pest v2.1.1 [INFO] [stderr] Compiling rocket_codegen v0.4.2 [INFO] [stderr] Compiling rocket v0.4.2 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking mio v0.6.18 [INFO] [stderr] Checking encoding v0.2.33 [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-18dc859f614cacac/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.48.0-beta.8 (2020-11-08). 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: 0x563116608db0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x563116608db0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563116608db0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x563116608db0 - ::fmt::h1e0bdbb35e83deca [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x56311662590c - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x563116606232 - std::io::Write::write_fmt::hac97d5cb5753e2ec [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x56311660aedd - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x56311660aedd - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x56311660aedd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x56311660ab88 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x56311660b561 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x5631165d9a58 - std::panicking::begin_panic::{{closure}}::h336100f5051c34a0 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:506 [INFO] [stderr] 12: 0x5631165d8ab8 - std::sys_common::backtrace::__rust_end_short_backtrace::h1e689beb452fb99c [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5631165d9983 - std::panicking::begin_panic::h8624c7085314787a [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:505 [INFO] [stderr] 14: 0x5631165d7742 - build_script_build::main::hb33eae083aea41e1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 15: 0x5631165d8c2b - core::ops::function::FnOnce::call_once::h08e021e2a0922330 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:227 [INFO] [stderr] 16: 0x5631165d8aee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd9091fb3666ea7e3 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 17: 0x5631165d89b1 - std::rt::lang_start::{{closure}}::h04434abf4185a811 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:66 [INFO] [stderr] 18: 0x56311660b987 - core::ops::function::impls:: for &F>::call_once::h908982dfc31b926f [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:259 [INFO] [stderr] 19: 0x56311660b987 - std::panicking::try::do_call::h92777899503b7584 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:381 [INFO] [stderr] 20: 0x56311660b987 - std::panicking::try::h8815656b2b76e792 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:345 [INFO] [stderr] 21: 0x56311660b987 - std::panic::catch_unwind::h112ab81228f50b46 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panic.rs:382 [INFO] [stderr] 22: 0x56311660b987 - std::rt::lang_start_internal::h1772a706c7575c24 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:51 [INFO] [stderr] 23: 0x5631165d8987 - std::rt::lang_start::h8a9978ed76849de1 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:65 [INFO] [stderr] 24: 0x5631165d854a - main [INFO] [stderr] 25: 0x7fb55185b0b3 - __libc_start_main [INFO] [stderr] 26: 0x5631165d70ae - _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" "781b3d06552b1071e30b2e0ba7a08e091dc665ec320397300f993a6a59d995d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "781b3d06552b1071e30b2e0ba7a08e091dc665ec320397300f993a6a59d995d5", kill_on_drop: false }` [INFO] [stdout] 781b3d06552b1071e30b2e0ba7a08e091dc665ec320397300f993a6a59d995d5