[INFO] fetching crate cloister 0.1.1...
[INFO] checking cloister-0.1.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cloister 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cloister 0.1.1 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 cloister 0.1.1
[INFO] finished tweaking crates.io crate cloister 0.1.1
[INFO] tweaked toml for crates.io crate cloister 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cloister 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded ignore v0.4.20
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded rustix v0.37.8
[INFO] [stderr]   Downloaded bstr v1.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 075f082c6f9027dc834f91e638f49d5b6437f54aacf36f4820d645c6e8fe6d95
[INFO] running `Command { std: "docker" "start" "-a" "075f082c6f9027dc834f91e638f49d5b6437f54aacf36f4820d645c6e8fe6d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075f082c6f9027dc834f91e638f49d5b6437f54aacf36f4820d645c6e8fe6d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075f082c6f9027dc834f91e638f49d5b6437f54aacf36f4820d645c6e8fe6d95", kill_on_drop: false }`
[INFO] [stdout] 075f082c6f9027dc834f91e638f49d5b6437f54aacf36f4820d645c6e8fe6d95
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 908eb9c70b29961f6797d0b36f5ceddfae160dfd70ae09790a61d46862c1fd16
[INFO] running `Command { std: "docker" "start" "-a" "908eb9c70b29961f6797d0b36f5ceddfae160dfd70ae09790a61d46862c1fd16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling rustix v0.37.8
[INFO] [stderr]     Checking io-lifetimes v1.0.10
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [stderr]     Checking anstyle-parse v0.1.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking concolor-query v0.3.3
[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" "908eb9c70b29961f6797d0b36f5ceddfae160dfd70ae09790a61d46862c1fd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908eb9c70b29961f6797d0b36f5ceddfae160dfd70ae09790a61d46862c1fd16", kill_on_drop: false }`
[INFO] [stdout] 908eb9c70b29961f6797d0b36f5ceddfae160dfd70ae09790a61d46862c1fd16
