[INFO] fetching crate k2f_pdf 0.3.2...
[INFO] testing k2f_pdf-0.3.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate k2f_pdf 0.3.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate k2f_pdf 0.3.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate k2f_pdf 0.3.2
[INFO] tweaked toml for crates.io crate k2f_pdf 0.3.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate k2f_pdf 0.3.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate k2f_pdf 0.3.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pdf-writer v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4
[INFO] running `Command { std: "docker" "start" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4", 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" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4", 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" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.13.3
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling pathfinder_simd v0.5.6
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling k2f_core v0.3.2
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling encoding_rs v0.8.41
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling unicode-joining-type v1.0.0
[INFO] [stderr]    Compiling unicode-canonical-combining-class v1.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr] error: failed to run custom build command for `k2f_core v0.3.2`
[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/k2f_core-98fad08fe6f609dc/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=K2F_ENGINE_COMMIT_SHA
[INFO] [stderr]   cargo:rerun-if-changed=.git/HEAD
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (934) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/k2f_core-0.3.2/build.rs:13:21:
[INFO] [stderr]   release build requires K2F_ENGINE_COMMIT_SHA or a git checkout; got UNKNOWN
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x573f081bcfe1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x573f081cdeda - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x573f081c0c8c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x573f081a05c6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x573f081b8f01 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x573f081b90bb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x573f081a06a4 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x573f08199579 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x573f081a0e6d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x573f081ce60c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x573f0818b685 - build_script_build[b378582b78c96e9f]::main::{closure#1}::{closure#0}
[INFO] [stderr]     11:     0x573f08189ec4 - <core[df12db4294e9bfd3]::option::Option<alloc[2182bb758b4b3781]::string::String>>::unwrap_or_else::<build_script_build[b378582b78c96e9f]::main::{closure#1}::{closure#0}>
[INFO] [stderr]     12:     0x573f0818b703 - build_script_build[b378582b78c96e9f]::main::{closure#1}
[INFO] [stderr]     13:     0x573f08189f30 - <core[df12db4294e9bfd3]::option::Option<alloc[2182bb758b4b3781]::string::String>>::unwrap_or_else::<build_script_build[b378582b78c96e9f]::main::{closure#1}>
[INFO] [stderr]     14:     0x573f0818b830 - build_script_build[b378582b78c96e9f]::main
[INFO] [stderr]     15:     0x573f0818e183 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     16:     0x573f0818af56 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     17:     0x573f0818b649 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     18:     0x573f081b8339 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     19:     0x573f0818a741 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     20:     0x573f0818e2e5 - main
[INFO] [stderr]     21:     0x7f21f33c5601 - <unknown>
[INFO] [stderr]     22:     0x7f21f33c5718 - __libc_start_main
[INFO] [stderr]     23:     0x573f08189cf5 - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4", kill_on_drop: false }`
[INFO] [stdout] 42ff3af2b8d3e3457484c1d22df2423c4891486eb989511e20fbd24f724059f4
