[INFO] fetching crate cargo-macra 0.4.2...
[INFO] testing cargo-macra-0.4.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate cargo-macra 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cargo-macra 0.4.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-macra 0.4.2
[INFO] tweaked toml for crates.io crate cargo-macra 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-macra 0.4.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-macra 0.4.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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] f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352
[INFO] running `Command { std: "docker" "start" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352", 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" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352", 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" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling instability v0.3.10
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling cargo-macra v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=f7a1aed594733d3e -C extra-filename=-e4873a7a990b69ae --out-dir /opt/rustwide/target/release/build/syn/e4873a7a990b69ae/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/288416c8468a6539/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/4c4ce5bce0ca6124/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/288416c8468a6539/out/libproc_macro2-288416c8468a6539.rmeta --extern quote=/opt/rustwide/target/release/build/quote/b56628b7bf76c4e2/out/libquote-b56628b7bf76c4e2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/4c4ce5bce0ca6124/out/libunicode_ident-4c4ce5bce0ca6124.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `cargo-macra v0.4.2 (/opt/rustwide/workdir)`
[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/cargo-macra/a04214a27dc066c4/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]      Compiling quote v1.0.45
[INFO] [stderr]      Compiling proc-macro2 v1.0.106
[INFO] [stderr]      Compiling unicode-ident v1.0.24
[INFO] [stderr]      Compiling libc v0.2.186
[INFO] [stderr]      Compiling serde_core v1.0.228
[INFO] [stderr]      Compiling rustversion v1.0.22
[INFO] [stderr]      Compiling cfg-if v1.0.4
[INFO] [stderr]      Compiling ident_case v1.0.1
[INFO] [stderr]      Compiling signal-hook v0.3.18
[INFO] [stderr]      Compiling strsim v0.11.1
[INFO] [stderr]      Compiling heck v0.5.0
[INFO] [stderr]      Compiling fnv v1.0.7
[INFO] [stderr]      Compiling parking_lot_core v0.9.12
[INFO] [stderr]      Compiling serde v1.0.228
[INFO] [stderr]      Compiling itoa v1.0.18
[INFO] [stderr]      Compiling zmij v1.0.21
[INFO] [stderr]      Compiling scopeguard v1.2.0
[INFO] [stderr]      Compiling rustix v0.38.44
[INFO] [stderr]      Compiling log v0.4.29
[INFO] [stderr]      Compiling smallvec v1.15.1
[INFO] [stderr]      Compiling utf8parse v0.2.2
[INFO] [stderr]      Compiling lock_api v0.4.14
[INFO] [stderr]      Compiling anstyle-parse v1.0.0
[INFO] [stderr]      Compiling bitflags v2.11.1
[INFO] [stderr]      Compiling linux-raw-sys v0.4.15
[INFO] [stderr]      Compiling anstyle-query v1.1.5
[INFO] [stderr]      Compiling allocator-api2 v0.2.21
[INFO] [stderr]      Compiling paste v1.0.15
[INFO] [stderr]      Compiling syn v2.0.117
[INFO] [stderr]      Compiling equivalent v1.0.2
[INFO] [stderr]      Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]      Compiling thiserror v2.0.18
[INFO] [stderr]      Compiling serde_json v1.0.150
[INFO] [stderr]      Compiling instability v0.3.10
[INFO] [stderr]      Compiling either v1.16.0
[INFO] [stderr]      Compiling foldhash v0.1.5
[INFO] [stderr]      Compiling prettyplease v0.2.37
[INFO] [stderr]      Compiling camino v1.2.2
[INFO] [stderr]      Compiling anstyle v1.0.14
[INFO] [stderr]      Compiling colorchoice v1.0.5
[INFO] [stderr]      Compiling memchr v2.8.0
[INFO] [stderr]      Compiling hashbrown v0.15.5
[INFO] [stderr]      Compiling anstream v1.0.0
[INFO] [stderr]      Compiling itertools v0.13.0
[INFO] [stderr]      Compiling errno v0.3.14
[INFO] [stderr]      Compiling mio v1.2.0
[INFO] [stderr]      Compiling signal-hook-registry v1.4.8
[INFO] [stderr]      Compiling parking_lot v0.12.5
[INFO] [stderr]      Compiling signal-hook-mio v0.2.5
[INFO] [stderr]      Compiling castaway v0.2.4
[INFO] [stderr]      Compiling object v0.39.1
[INFO] [stderr]      Compiling ryu v1.0.23
[INFO] [stderr]      Compiling clap_lex v1.1.0
[INFO] [stderr]      Compiling static_assertions v1.1.0
[INFO] [stderr]      Compiling indoc v2.0.7
[INFO] [stderr]      Compiling unicode-width v0.1.14
[INFO] [stderr]      Compiling unicode-segmentation v1.13.2
[INFO] [stderr]      Compiling compact_str v0.8.1
[INFO] [stderr]      Compiling lru v0.12.5
[INFO] [stderr]      Compiling clap_builder v4.6.0
[INFO] [stderr]      Compiling crossterm v0.28.1
[INFO] [stderr]      Compiling semver v1.0.28
[INFO] [stderr]      Compiling unicode-truncate v1.1.0
[INFO] [stderr]      Compiling cargo-macra v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]      Compiling cassowary v0.3.0
[INFO] [stderr]      Compiling unicode-width v0.2.0
[INFO] [stderr]      Compiling filetime v0.2.29
[INFO] [stderr]      Compiling rustc-demangle v0.1.28
[INFO] [stderr]      Compiling darling_core v0.20.11
[INFO] [stderr]      Compiling serde_derive v1.0.228
[INFO] [stderr]      Compiling strum_macros v0.26.4
[INFO] [stderr]      Compiling thiserror-impl v2.0.18
[INFO] [stderr]      Compiling clap_derive v4.6.1
[INFO] [stderr]   error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=e6a33414585164dc -C extra-filename=-250e3c7d13a861fd --out-dir /opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/syn/250e3c7d13a861fd/out --target x86_64-unknown-linux-gnu -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/proc-macro2/753397460ccb4290/out -L dependency=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/unicode-ident/f1271791c3f3ab89/out -L dependency=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/release/build/syn/250e3c7d13a861fd/out --extern proc_macro2=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/proc-macro2/753397460ccb4290/out/libproc_macro2-753397460ccb4290.rmeta --extern quote=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/quote/c61cde0d284d8191/out/libquote-c61cde0d284d8191.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/cargo-macra/643cb833a0493c88/out/macra-hook-target/x86_64-unknown-linux-gnu/release/build/unicode-ident/f1271791c3f3ab89/out/libunicode_ident-f1271791c3f3ab89.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr]   warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (291) panicked at build.rs:107:9:
[INFO] [stderr]   cargo build --example macra-hook failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58be4aeb1f41 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x58be4aec2faa - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x58be4aeb58ac - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x58be4ae93986 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x58be4aead1f1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x58be4aead3ab - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x58be4ae93a64 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x58be4ae8caa9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x58be4ae941fd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x58be4aec36dc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x58be4ae7ec9e - build_script_build[a54750bec8c4d98b]::main
[INFO] [stderr]     11:     0x58be4ae81693 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x58be4ae7d4f6 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     13:     0x58be4ae7d809 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     14:     0x58be4aeac668 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     15:     0x58be4ae7cd61 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     16:     0x58be4ae81705 - main
[INFO] [stderr]     17:     0x713d7afa9601 - <unknown>
[INFO] [stderr]     18:     0x713d7afa9718 - __libc_start_main
[INFO] [stderr]     19:     0x58be4ae7bf35 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352", kill_on_drop: false }`
[INFO] [stdout] f9d4234369a70f1f1b7dd09e79f78462a7b9af1dcf555497508bb53d1a5aa352
