[INFO] fetching crate ascent 0.8.0...
[INFO] building ascent-0.8.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ascent 0.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ascent 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ascent 0.8.0
[INFO] tweaked toml for crates.io crate ascent 0.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascent 0.8.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ascent 0.8.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2bb787e5071faf6fc221faef1ba29c689fcf7dd4d59f8879cbfb00912f9b1b
[INFO] running `Command { std: "docker" "start" "-a" "dd2bb787e5071faf6fc221faef1ba29c689fcf7dd4d59f8879cbfb00912f9b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2bb787e5071faf6fc221faef1ba29c689fcf7dd4d59f8879cbfb00912f9b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2bb787e5071faf6fc221faef1ba29c689fcf7dd4d59f8879cbfb00912f9b1b", kill_on_drop: false }`
[INFO] [stdout] dd2bb787e5071faf6fc221faef1ba29c689fcf7dd4d59f8879cbfb00912f9b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214029e58b48b7db2b7caeb63c0871a3f1db0f0006c9ad15f9abdfb610d2ec54
[INFO] running `Command { std: "docker" "start" "-a" "214029e58b48b7db2b7caeb63c0871a3f1db0f0006c9ad15f9abdfb610d2ec54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling ascent_base v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling duplicate v2.0.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling boxcar v0.1.0
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.67
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling ascent_macro v0.8.0
[INFO] [stderr]    Compiling ascent v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.14s
[INFO] running `Command { std: "docker" "inspect" "214029e58b48b7db2b7caeb63c0871a3f1db0f0006c9ad15f9abdfb610d2ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214029e58b48b7db2b7caeb63c0871a3f1db0f0006c9ad15f9abdfb610d2ec54", kill_on_drop: false }`
[INFO] [stdout] 214029e58b48b7db2b7caeb63c0871a3f1db0f0006c9ad15f9abdfb610d2ec54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5272b2bf2de8f63a7fbac9fcbb062c0251be0cdfb106a8bc57c2e74041978809
[INFO] running `Command { std: "docker" "start" "-a" "5272b2bf2de8f63a7fbac9fcbb062c0251be0cdfb106a8bc57c2e74041978809", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascent v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] nil! ()
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('b', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('c', nil!())
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', nil!()))
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', cons!('a', nil!())))
[INFO] [stderr] WARNING: cannot determine free variables of macro invocations. macro invocation:
[INFO] [stderr] cons! ('a', cons!('b', cons!('c', nil!())))
[INFO] [stderr] error: could not compile `ascent` (example "lists_using_recursive_enums")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name lists_using_recursive_enums --edition=2021 examples/lists_using_recursive_enums.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="dashmap"' --cfg 'feature="default"' --cfg 'feature="once_cell"' --cfg 'feature="par"' --cfg 'feature="rayon"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dashmap", "default", "once_cell", "par", "rayon", "wasm-bindgen"))' -C metadata=108ca0cace814ec2 -C extra-filename=-456f11578c6c721d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ascent=/opt/rustwide/target/debug/deps/libascent-13aa1a3b94847f8d.rlib --extern ascent_base=/opt/rustwide/target/debug/deps/libascent_base-1613ddaaa6ce963b.rlib --extern ascent_macro=/opt/rustwide/target/debug/deps/libascent_macro-a179b2f0b4f8dbec.so --extern boxcar=/opt/rustwide/target/debug/deps/libboxcar-f70b08bc3fbbb605.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-33ef6c02a07f9fec.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-f1e168f92c193aee.rlib --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-4feb2ca2ace2e855.rlib --extern instant=/opt/rustwide/target/debug/deps/libinstant-7ca0f2602aa54eaa.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-24c5d665b6879050.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-de6dfd786916684a.so --extern rayon=/opt/rustwide/target/debug/deps/librayon-4c51e0162cfd9839.rlib --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-95d47115bc423d63.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5272b2bf2de8f63a7fbac9fcbb062c0251be0cdfb106a8bc57c2e74041978809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5272b2bf2de8f63a7fbac9fcbb062c0251be0cdfb106a8bc57c2e74041978809", kill_on_drop: false }`
[INFO] [stdout] 5272b2bf2de8f63a7fbac9fcbb062c0251be0cdfb106a8bc57c2e74041978809