[INFO] fetching crate idr2nix 0.1.2...
[INFO] testing idr2nix-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate idr2nix 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate idr2nix 0.1.2
[INFO] finished tweaking crates.io crate idr2nix 0.1.2
[INFO] tweaked toml for crates.io crate idr2nix 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate idr2nix 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate idr2nix 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded lru v0.10.0
[INFO] [stderr]   Downloaded snafu v0.7.4
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded ahash v0.8.3
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded snafu-derive v0.7.4
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded git2 v0.17.2
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded custom_debug v0.5.1
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded petgraph v0.6.3
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded clap_derive v4.3.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded custom_debug_derive v0.5.1
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[INFO] [stderr]   Downloaded libgit2-sys v0.15.2+1.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660fc93392aca3f8ee3c0584e00dd7fa2e6adc6c4228dfe876bbc4684bf2abc7
[INFO] running `Command { std: "docker" "start" "-a" "660fc93392aca3f8ee3c0584e00dd7fa2e6adc6c4228dfe876bbc4684bf2abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660fc93392aca3f8ee3c0584e00dd7fa2e6adc6c4228dfe876bbc4684bf2abc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660fc93392aca3f8ee3c0584e00dd7fa2e6adc6c4228dfe876bbc4684bf2abc7", kill_on_drop: false }`
[INFO] [stdout] 660fc93392aca3f8ee3c0584e00dd7fa2e6adc6c4228dfe876bbc4684bf2abc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7b8a4d0e0c56d1dc676a4a7e46d0d2ee32a6585ec1e61bbe7357267cb267fed
[INFO] running `Command { std: "docker" "start" "-a" "b7b8a4d0e0c56d1dc676a4a7e46d0d2ee32a6585ec1e61bbe7357267cb267fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[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" "b7b8a4d0e0c56d1dc676a4a7e46d0d2ee32a6585ec1e61bbe7357267cb267fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b8a4d0e0c56d1dc676a4a7e46d0d2ee32a6585ec1e61bbe7357267cb267fed", kill_on_drop: false }`
[INFO] [stdout] b7b8a4d0e0c56d1dc676a4a7e46d0d2ee32a6585ec1e61bbe7357267cb267fed