[INFO] cloning repository https://github.com/Kerpackie/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerpackie/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerpackie%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerpackie%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4db04faf6415faa04629f608ad7dc5c639764ad
[INFO] building Kerpackie/rust_sandbox against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerpackie%2Frust_sandbox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kerpackie/rust_sandbox
[INFO] finished tweaking git repo https://github.com/Kerpackie/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/Kerpackie/rust_sandbox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kerpackie/rust_sandbox 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 git repo https://github.com/Kerpackie/rust_sandbox 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e32a7e9b9b890f26b66c1f308136a4229a834babe244f570f075d93da6d0403b
[INFO] running `Command { std: "docker" "start" "-a" "e32a7e9b9b890f26b66c1f308136a4229a834babe244f570f075d93da6d0403b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32a7e9b9b890f26b66c1f308136a4229a834babe244f570f075d93da6d0403b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32a7e9b9b890f26b66c1f308136a4229a834babe244f570f075d93da6d0403b", kill_on_drop: false }`
[INFO] [stdout] e32a7e9b9b890f26b66c1f308136a4229a834babe244f570f075d93da6d0403b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b41afe0774812452e4214253dc62a386d083c2a5d319839539979956e8394b42
[INFO] running `Command { std: "docker" "start" "-a" "b41afe0774812452e4214253dc62a386d083c2a5d319839539979956e8394b42", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr] error: could not compile `proc-macro2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name proc_macro2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.95/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=ba5ab8121e537143 -C extra-filename=-3af986f44966aa55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-549afb6be76d59d6.rmeta --cap-lints allow --cap-lints=forbid --cfg wrap_proc_macro --cfg proc_macro_span --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b41afe0774812452e4214253dc62a386d083c2a5d319839539979956e8394b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41afe0774812452e4214253dc62a386d083c2a5d319839539979956e8394b42", kill_on_drop: false }`
[INFO] [stdout] b41afe0774812452e4214253dc62a386d083c2a5d319839539979956e8394b42