[INFO] fetching crate topcron 0.1.6...
[INFO] testing topcron-0.1.6 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate topcron 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate topcron 0.1.6 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topcron 0.1.6
[INFO] finished tweaking crates.io crate topcron 0.1.6
[INFO] tweaked toml for crates.io crate topcron 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate topcron 0.1.6 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trycmd v0.13.7
[INFO] [stderr]   Downloaded snapbox-macros v0.3.4
[INFO] [stderr]   Downloaded snapbox v0.4.11
[INFO] [stderr]   Downloaded pcre2 v0.2.3
[INFO] [stderr]   Downloaded grep-matcher v0.1.6
[INFO] [stderr]   Downloaded grep-pcre2 v0.1.6
[INFO] [stderr]   Downloaded grep v0.2.12
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded grep-cli v0.1.7
[INFO] [stderr]   Downloaded grep-regex v0.1.11
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded grep-printer v0.1.7
[INFO] [stderr]   Downloaded grep-searcher v0.1.11
[INFO] [stderr]   Downloaded toml_edit v0.14.4
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded pcre2-sys v0.2.5
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e66055d5db32b67a3cd9e2c432c8e514bae85fb02ebb2052aab9f481a12e0fe7
[INFO] running `Command { std: "docker" "start" "-a" "e66055d5db32b67a3cd9e2c432c8e514bae85fb02ebb2052aab9f481a12e0fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66055d5db32b67a3cd9e2c432c8e514bae85fb02ebb2052aab9f481a12e0fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66055d5db32b67a3cd9e2c432c8e514bae85fb02ebb2052aab9f481a12e0fe7", kill_on_drop: false }`
[INFO] [stdout] e66055d5db32b67a3cd9e2c432c8e514bae85fb02ebb2052aab9f481a12e0fe7
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e57cd3c7e1a46f1e6aec4207a298aae968bb5f692f23670b8e25798c94b4f6b3
[INFO] running `Command { std: "docker" "start" "-a" "e57cd3c7e1a46f1e6aec4207a298aae968bb5f692f23670b8e25798c94b4f6b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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 rustix v0.37.19
[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]    Compiling aho-corasick v1.0.2
[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" "e57cd3c7e1a46f1e6aec4207a298aae968bb5f692f23670b8e25798c94b4f6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57cd3c7e1a46f1e6aec4207a298aae968bb5f692f23670b8e25798c94b4f6b3", kill_on_drop: false }`
[INFO] [stdout] e57cd3c7e1a46f1e6aec4207a298aae968bb5f692f23670b8e25798c94b4f6b3
