[INFO] fetching crate libertyparse 0.3.0...
[INFO] testing libertyparse-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate libertyparse 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libertyparse 0.3.0
[INFO] finished tweaking crates.io crate libertyparse 0.3.0
[INFO] tweaked toml for crates.io crate libertyparse 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libertyparse 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libertyparse 0.3.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_generator v2.6.0
[INFO] [stderr]   Downloaded pest_derive v2.6.0
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded zeroable v0.2.0
[INFO] [stderr]   Downloaded clilog v0.2.3
[INFO] [stderr]   Downloaded ulib v0.3.1
[INFO] [stderr]   Downloaded castaway v0.2.2
[INFO] [stderr]   Downloaded zeroable_derive v0.2.0
[INFO] [stderr]   Downloaded arcstr v1.1.5
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[INFO] [stderr]   Downloaded prettyplease v0.2.4
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded tree-sitter v0.20.10
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded pest v2.6.0
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded tree-sitter-cpp v0.20.0
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded compact_str v0.7.0
[INFO] [stderr]   Downloaded sverilogparse v0.3.3
[INFO] [stderr]   Downloaded paste v1.0.12
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded ucc v0.2.0
[INFO] [stderr]   Downloaded pest_meta v2.6.0
[INFO] [stderr]   Downloaded netlistdb v0.3.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded readonly v0.2.8
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 221687f08e8690b22ae1d4b4942e6b793a8ec7ae43968c0ab3bd2818cccc3ade
[INFO] running `Command { std: "docker" "start" "-a" "221687f08e8690b22ae1d4b4942e6b793a8ec7ae43968c0ab3bd2818cccc3ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221687f08e8690b22ae1d4b4942e6b793a8ec7ae43968c0ab3bd2818cccc3ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221687f08e8690b22ae1d4b4942e6b793a8ec7ae43968c0ab3bd2818cccc3ade", kill_on_drop: false }`
[INFO] [stdout] 221687f08e8690b22ae1d4b4942e6b793a8ec7ae43968c0ab3bd2818cccc3ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e388bb8b4b29aad3bc86ad5fc6bb2a1390ac721efa26c9543c59f6f2e20852
[INFO] running `Command { std: "docker" "start" "-a" "a7e388bb8b4b29aad3bc86ad5fc6bb2a1390ac721efa26c9543c59f6f2e20852", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] [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" "a7e388bb8b4b29aad3bc86ad5fc6bb2a1390ac721efa26c9543c59f6f2e20852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e388bb8b4b29aad3bc86ad5fc6bb2a1390ac721efa26c9543c59f6f2e20852", kill_on_drop: false }`
[INFO] [stdout] a7e388bb8b4b29aad3bc86ad5fc6bb2a1390ac721efa26c9543c59f6f2e20852