[INFO] cloning repository https://github.com/mchaver/digit-recognition [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mchaver/digit-recognition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchaver%2Fdigit-recognition", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchaver%2Fdigit-recognition'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a605df4d31511e5bde035fff17c55835c0e19e3f [INFO] testing mchaver/digit-recognition against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchaver%2Fdigit-recognition" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mchaver/digit-recognition on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mchaver/digit-recognition [INFO] finished tweaking git repo https://github.com/mchaver/digit-recognition [INFO] tweaked toml for git repo https://github.com/mchaver/digit-recognition written to /workspace/builds/worker-21/source/Cargo.toml [INFO] crate git repo https://github.com/mchaver/digit-recognition already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0789fe74e7dfa330d92e5e50dd40d31b6d31319d62601f3b9a9e61ebdb6bdc0 [INFO] running `Command { std: "docker" "start" "-a" "a0789fe74e7dfa330d92e5e50dd40d31b6d31319d62601f3b9a9e61ebdb6bdc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0789fe74e7dfa330d92e5e50dd40d31b6d31319d62601f3b9a9e61ebdb6bdc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0789fe74e7dfa330d92e5e50dd40d31b6d31319d62601f3b9a9e61ebdb6bdc0", kill_on_drop: false }` [INFO] [stdout] a0789fe74e7dfa330d92e5e50dd40d31b6d31319d62601f3b9a9e61ebdb6bdc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13833fd084c61aee789f1a6dc28e56a138439a25d3ac7444c7d3ea2a09936b3d [INFO] running `Command { std: "docker" "start" "-a" "13833fd084c61aee789f1a6dc28e56a138439a25d3ac7444c7d3ea2a09936b3d", kill_on_drop: false }` [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling untrusted v0.5.1 [INFO] [stderr] Compiling httparse v1.2.4 [INFO] [stderr] Compiling pear v0.0.17 [INFO] [stderr] Compiling ordermap v0.2.13 [INFO] [stderr] Compiling smallvec v0.6.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling isatty v0.1.8 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling inflate v0.4.2 [INFO] [stderr] Compiling gif v0.10.0 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rand v0.5.1 [INFO] [stderr] Compiling pear_codegen v0.0.17 [INFO] [stderr] Compiling rocket v0.3.12 [INFO] [stderr] Compiling rocket_codegen v0.3.12 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.17` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-f3000cd7299182cd/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: 1.60.0-beta.1 (2022-02-22). Minimum required: 1.27.0-nightly (2018-04-14). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x559f1f8b58ac - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x559f1f8b58ac - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x559f1f8b58ac - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x559f1f8b58ac - ::fmt::ha305a40dbc030444 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x559f1f8d5bcc - core::fmt::write::hadd15acf4d6ce273 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stderr] 5: 0x559f1f8b1b58 - std::io::Write::write_fmt::h0f87f6c0c21ec48a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stderr] 6: 0x559f1f8b7797 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x559f1f8b7797 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x559f1f8b7797 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x559f1f8b745f - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x559f1f8b7eea - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stderr] 11: 0x559f1f885c64 - std::panicking::begin_panic::{{closure}}::h43974e5962e5a412 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:617:9 [INFO] [stderr] 12: 0x559f1f885498 - std::sys_common::backtrace::__rust_end_short_backtrace::h19b89506f00cd49f [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x559f1f885bdf - std::panicking::begin_panic::h38c53eb8d4ac1462 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:616:12 [INFO] [stderr] 14: 0x559f1f88431f - build_script_build::main::h00a8f1d2c20e5397 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.17/build.rs:31:13 [INFO] [stderr] 15: 0x559f1f88579b - core::ops::function::FnOnce::call_once::h29d277e4ca547cfd [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x559f1f88543e - std::sys_common::backtrace::__rust_begin_short_backtrace::h7093c90d5141bab3 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 17: 0x559f1f8866a1 - std::rt::lang_start::{{closure}}::h460e64bbf0a49004 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:145:18 [INFO] [stderr] 18: 0x559f1f8b4f91 - core::ops::function::impls:: for &F>::call_once::h9e134bb161d17658 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x559f1f8b4f91 - std::panicking::try::do_call::h7f361d911648db1a [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stderr] 20: 0x559f1f8b4f91 - std::panicking::try::hbe441b12f8ff00e7 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stderr] 21: 0x559f1f8b4f91 - std::panic::catch_unwind::h12066b7ab56d7459 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stderr] 22: 0x559f1f8b4f91 - std::rt::lang_start_internal::{{closure}}::h901c86e61467dcde [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:48 [INFO] [stderr] 23: 0x559f1f8b4f91 - std::panicking::try::do_call::h1817b5f028d90a8c [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stderr] 24: 0x559f1f8b4f91 - std::panicking::try::hd5afeaf2f0454960 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stderr] 25: 0x559f1f8b4f91 - std::panic::catch_unwind::h13348562ae6426ca [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stderr] 26: 0x559f1f8b4f91 - std::rt::lang_start_internal::hf194c7db73fedcb2 [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:128:20 [INFO] [stderr] 27: 0x559f1f886670 - std::rt::lang_start::hdad60ffab80c71fc [INFO] [stderr] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/rt.rs:144:17 [INFO] [stderr] 28: 0x559f1f884d8c - main [INFO] [stderr] 29: 0x7fe7677ed0b3 - __libc_start_main [INFO] [stderr] 30: 0x559f1f883bae - _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" "13833fd084c61aee789f1a6dc28e56a138439a25d3ac7444c7d3ea2a09936b3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13833fd084c61aee789f1a6dc28e56a138439a25d3ac7444c7d3ea2a09936b3d", kill_on_drop: false }` [INFO] [stdout] 13833fd084c61aee789f1a6dc28e56a138439a25d3ac7444c7d3ea2a09936b3d