[INFO] cloning repository https://github.com/Ekleog/tree-sitter-reduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ekleog/tree-sitter-reduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Ftree-sitter-reduce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Ftree-sitter-reduce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8dbd6c3385293a71e68d044353918e3c56c4e10
[INFO] checking Ekleog/tree-sitter-reduce against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Ftree-sitter-reduce" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ekleog/tree-sitter-reduce
[INFO] finished tweaking git repo https://github.com/Ekleog/tree-sitter-reduce
[INFO] tweaked toml for git repo https://github.com/Ekleog/tree-sitter-reduce written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ekleog/tree-sitter-reduce on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ekleog/tree-sitter-reduce 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating git repository `https://github.com/Ekleog/indicatif`
[INFO] [stderr]     Updating git repository `https://github.com/Ekleog/tree-sitter`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kine-core v0.1.1
[INFO] [stderr]   Downloaded zerofrom-derive v0.1.1
[INFO] [stderr]   Downloaded zerofrom v0.1.1
[INFO] [stderr]   Downloaded kine-icu v0.1.2
[INFO] [stderr]   Downloaded kine v0.1.3
[INFO] [stderr]   Downloaded bolero-kani v0.8.0
[INFO] [stderr]   Downloaded bolero v0.8.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.8.0
[INFO] [stderr]   Downloaded ctrlc v3.2.5
[INFO] [stderr]   Downloaded yoke v0.7.0
[INFO] [stderr]   Downloaded bolero-generator v0.8.0
[INFO] [stderr]   Downloaded bolero-engine v0.8.1
[INFO] [stderr]   Downloaded icu_locid v1.1.0
[INFO] [stderr]   Downloaded portable-atomic v1.0.1
[INFO] [stderr]   Downloaded bolero-afl v0.8.0
[INFO] [stderr]   Downloaded tree-sitter-rust v0.20.3
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.8.0
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded icu_calendar v1.1.0
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded writeable v0.5.1
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded zerovec-derive v0.9.3
[INFO] [stderr]   Downloaded litemap v0.6.1
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded icu_provider_macros v1.1.0
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.8.0
[INFO] [stderr]   Downloaded gimli v0.27.1
[INFO] [stderr]   Downloaded yoke-derive v0.7.0
[INFO] [stderr]   Downloaded zerovec v0.9.2
[INFO] [stderr]   Downloaded icu_provider v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aa848c8bac216714d5c66e3eb2bdf5c63bb441c43b356ff2807107cedf9894d
[INFO] running `Command { std: "docker" "start" "-a" "7aa848c8bac216714d5c66e3eb2bdf5c63bb441c43b356ff2807107cedf9894d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa848c8bac216714d5c66e3eb2bdf5c63bb441c43b356ff2807107cedf9894d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa848c8bac216714d5c66e3eb2bdf5c63bb441c43b356ff2807107cedf9894d", kill_on_drop: false }`
[INFO] [stdout] 7aa848c8bac216714d5c66e3eb2bdf5c63bb441c43b356ff2807107cedf9894d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 070954e3f9d9fb12f101c7fca0b17b3b3d8f7707f007f967a37ab56270ba7dd8
[INFO] running `Command { std: "docker" "start" "-a" "070954e3f9d9fb12f101c7fca0b17b3b3d8f7707f007f967a37ab56270ba7dd8", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking gimli v0.27.1
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking writeable v0.5.1
[INFO] [stderr]     Checking litemap v0.6.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "070954e3f9d9fb12f101c7fca0b17b3b3d8f7707f007f967a37ab56270ba7dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070954e3f9d9fb12f101c7fca0b17b3b3d8f7707f007f967a37ab56270ba7dd8", kill_on_drop: false }`
[INFO] [stdout] 070954e3f9d9fb12f101c7fca0b17b3b3d8f7707f007f967a37ab56270ba7dd8
