[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 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchaver%2Fdigit-recognition" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mchaver/digit-recognition on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mchaver/digit-recognition already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `digit-recognition` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded pear_codegen v0.0.17
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded serde_json v1.0.20
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded pear v0.0.17
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded yansi v0.4.0
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded rocket_contrib v0.3.12
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded state v0.4.1
[INFO] [stderr]   Downloaded smallvec v0.6.2
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded rocket_codegen v0.3.12
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded rocket v0.3.12
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71
[INFO] running `Command { std: "docker" "start" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `digit-recognition` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling pear_codegen v0.0.17
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.17`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/pear_codegen-1c1e7e659800ea2c/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: 1.98.0-beta.8 (2026-08-14). Minimum required: 1.27.0-nightly (2018-04-14).
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (598) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pear_codegen-0.0.17/build.rs:31:13:
[INFO] [stderr]   Aborting compilation due to incompatible compiler.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x620273fc20c1 - <<std[97b98282bc616a66]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[832e9a552fc17241]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x620273fd368a - core[832e9a552fc17241]::fmt::write
[INFO] [stderr]      2:     0x620273fc63fc - <std[97b98282bc616a66]::sys::stdio::unix::Stderr as std[97b98282bc616a66]::io::Write>::write_fmt
[INFO] [stderr]      3:     0x620273fa7036 - std[97b98282bc616a66]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x620273fbdad1 - std[97b98282bc616a66]::panicking::default_hook
[INFO] [stderr]      5:     0x620273fbdc8b - std[97b98282bc616a66]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x620273fa66ac - std[97b98282bc616a66]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]      7:     0x620273f9eb79 - std[97b98282bc616a66]::sys::backtrace::__rust_end_short_backtrace::<std[97b98282bc616a66]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]      8:     0x620273f9c3db - std[97b98282bc616a66]::panicking::begin_panic::<&str>
[INFO] [stderr]      9:     0x620273f83569 - build_script_build[1c907f806d496494]::main
[INFO] [stderr]     10:     0x620273f840c3 - <fn() as core[832e9a552fc17241]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     11:     0x620273f82c96 - std[97b98282bc616a66]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     12:     0x620273f82ca9 - std[97b98282bc616a66]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     13:     0x620273fbce67 - std[97b98282bc616a66]::rt::lang_start_internal
[INFO] [stderr]     14:     0x620273f82c81 - std[97b98282bc616a66]::rt::lang_start::<()>
[INFO] [stderr]     15:     0x620273f84155 - main
[INFO] [stderr]     16:     0x79fcc0e6a601 - <unknown>
[INFO] [stderr]     17:     0x79fcc0e6a718 - __libc_start_main
[INFO] [stderr]     18:     0x620273f82905 - _start
[INFO] [stderr]     19:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71", kill_on_drop: false }`
[INFO] [stdout] cbf81504a7b0eacc335fa5d5141d52480d2ccd31d2862ed46135d492118c0b71
