[INFO] fetching crate cervo-cli 0.5.0...
[INFO] checking cervo-cli-0.5.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cervo-cli 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cervo-cli 0.5.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cervo-cli 0.5.0
[INFO] finished tweaking crates.io crate cervo-cli 0.5.0
[INFO] tweaked toml for crates.io crate cervo-cli 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cervo-cli 0.5.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cervo v0.5.0
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded clap_derive v4.1.8
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded cervo-nnef v0.5.0
[INFO] [stderr]   Downloaded cervo-onnx v0.5.0
[INFO] [stderr]   Downloaded cervo-asset v0.5.0
[INFO] [stderr]   Downloaded perchance v0.4.0
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded tract-onnx-opl v0.20.18
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded prost-derive v0.11.8
[INFO] [stderr]   Downloaded prost v0.11.8
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded tract-linalg v0.20.18
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded tract-core v0.20.18
[INFO] [stderr]   Downloaded clap v4.1.8
[INFO] [stderr]   Downloaded tract-nnef v0.20.18
[INFO] [stderr]   Downloaded tract-onnx v0.20.18
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded liquid-core v0.26.1
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded serde_derive v1.0.154
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded tract-data v0.20.18
[INFO] [stderr]   Downloaded tract-hir v0.20.18
[INFO] [stderr]   Downloaded liquid-lib v0.26.1
[INFO] [stderr]   Downloaded string-interner v0.14.0
[INFO] [stderr]   Downloaded liquid v0.26.1
[INFO] [stderr]   Downloaded proc-quote v0.4.0
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded dyn-clone v1.0.11
[INFO] [stderr]   Downloaded proc-quote-impl v0.3.2
[INFO] [stderr]   Downloaded liquid-derive v0.26.1
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded cervo-core v0.5.0
[INFO] [stderr]   Downloaded cervo-runtime v0.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a39aca27fddae760d391e7dd2279e3cfa9ae850cf8f256ce3456f21f67370891
[INFO] running `Command { std: "docker" "start" "-a" "a39aca27fddae760d391e7dd2279e3cfa9ae850cf8f256ce3456f21f67370891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39aca27fddae760d391e7dd2279e3cfa9ae850cf8f256ce3456f21f67370891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39aca27fddae760d391e7dd2279e3cfa9ae850cf8f256ce3456f21f67370891", kill_on_drop: false }`
[INFO] [stdout] a39aca27fddae760d391e7dd2279e3cfa9ae850cf8f256ce3456f21f67370891
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0996677cfd982c57d94601d2091a421af8a1abdfb13bc6dd088c43cf69e57e4b
[INFO] running `Command { std: "docker" "start" "-a" "0996677cfd982c57d94601d2091a421af8a1abdfb13bc6dd088c43cf69e57e4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0996677cfd982c57d94601d2091a421af8a1abdfb13bc6dd088c43cf69e57e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0996677cfd982c57d94601d2091a421af8a1abdfb13bc6dd088c43cf69e57e4b", kill_on_drop: false }`
[INFO] [stdout] 0996677cfd982c57d94601d2091a421af8a1abdfb13bc6dd088c43cf69e57e4b
