[INFO] fetching crate skc 0.1.0...
[INFO] testing skc-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate skc 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate skc 0.1.0
[INFO] finished tweaking crates.io crate skc 0.1.0
[INFO] tweaked toml for crates.io crate skc 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate skc 0.1.0 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 skc 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded noodles-core v0.11.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.8
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded bgzip v0.2.2
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded niffler v2.5.0
[INFO] [stderr]   Downloaded noodles-bgzf v0.22.0
[INFO] [stderr]   Downloaded noodles-fasta v0.23.0
[INFO] [stderr]   Downloaded noodles v0.40.0
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.8+zstd.1.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e44bd2fd5fede92e82bd5171646a956b8170a16d1ff80ee9b7282cd38e44fe04
[INFO] running `Command { std: "docker" "start" "-a" "e44bd2fd5fede92e82bd5171646a956b8170a16d1ff80ee9b7282cd38e44fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44bd2fd5fede92e82bd5171646a956b8170a16d1ff80ee9b7282cd38e44fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44bd2fd5fede92e82bd5171646a956b8170a16d1ff80ee9b7282cd38e44fe04", kill_on_drop: false }`
[INFO] [stdout] e44bd2fd5fede92e82bd5171646a956b8170a16d1ff80ee9b7282cd38e44fe04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f4db812f96177218784d6c17818ca18d7813b1b57d85facac39aaed8bbb6fadb
[INFO] running `Command { std: "docker" "start" "-a" "f4db812f96177218784d6c17818ca18d7813b1b57d85facac39aaed8bbb6fadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling noodles-core v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[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 aho-corasick v1.0.2
[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" "f4db812f96177218784d6c17818ca18d7813b1b57d85facac39aaed8bbb6fadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4db812f96177218784d6c17818ca18d7813b1b57d85facac39aaed8bbb6fadb", kill_on_drop: false }`
[INFO] [stdout] f4db812f96177218784d6c17818ca18d7813b1b57d85facac39aaed8bbb6fadb