[INFO] fetching crate rutile_r2r 0.4.1...
[INFO] building rutile_r2r-0.4.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rutile_r2r 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rutile_r2r 0.4.1
[INFO] finished tweaking crates.io crate rutile_r2r 0.4.1
[INFO] tweaked toml for crates.io crate rutile_r2r 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rutile_r2r 0.4.1 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 rutile_r2r 0.4.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 471950382d7af09ed05522206c066704e3a111dbe93eda8c7a7b9ebd69a8c2ec
[INFO] running `Command { std: "docker" "start" "-a" "471950382d7af09ed05522206c066704e3a111dbe93eda8c7a7b9ebd69a8c2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "471950382d7af09ed05522206c066704e3a111dbe93eda8c7a7b9ebd69a8c2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471950382d7af09ed05522206c066704e3a111dbe93eda8c7a7b9ebd69a8c2ec", kill_on_drop: false }`
[INFO] [stdout] 471950382d7af09ed05522206c066704e3a111dbe93eda8c7a7b9ebd69a8c2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b561a73c88355dfa6a23f6e3511e1a20946dbe74d5adf79b04a975e626ed267d
[INFO] running `Command { std: "docker" "start" "-a" "b561a73c88355dfa6a23f6e3511e1a20946dbe74d5adf79b04a975e626ed267d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling widestring v1.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling force-send-sync v1.1.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[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-macro2-1.0.94/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=44b5e0bcf7183834 -C extra-filename=-5aa09d9b407f72f8 --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" "b561a73c88355dfa6a23f6e3511e1a20946dbe74d5adf79b04a975e626ed267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b561a73c88355dfa6a23f6e3511e1a20946dbe74d5adf79b04a975e626ed267d", kill_on_drop: false }`
[INFO] [stdout] b561a73c88355dfa6a23f6e3511e1a20946dbe74d5adf79b04a975e626ed267d