[INFO] fetching crate fpipe 0.1.3...
[INFO] checking fpipe-0.1.3 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate fpipe 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fpipe 0.1.3 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 fpipe 0.1.3
[INFO] finished tweaking crates.io crate fpipe 0.1.3
[INFO] tweaked toml for crates.io crate fpipe 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate fpipe 0.1.3 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 concolor-clap v0.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded predicates v3.0.1
[INFO] [stderr]   Downloaded test_dir v0.2.0
[INFO] [stderr]   Downloaded concolor v0.1.1
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded clap_derive v4.1.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded clap v4.1.13
[INFO] [stderr]   Downloaded tokio v1.26.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09992289880e4ed86713fe453907dc6e17514bd6bc06662431c91c0aa4f1b846
[INFO] running `Command { std: "docker" "start" "-a" "09992289880e4ed86713fe453907dc6e17514bd6bc06662431c91c0aa4f1b846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09992289880e4ed86713fe453907dc6e17514bd6bc06662431c91c0aa4f1b846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09992289880e4ed86713fe453907dc6e17514bd6bc06662431c91c0aa4f1b846", kill_on_drop: false }`
[INFO] [stdout] 09992289880e4ed86713fe453907dc6e17514bd6bc06662431c91c0aa4f1b846
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c94ce90005fd5ebc9df1135edbe8e24375d0ee627ba7b1ba9f533f69c27ebc1
[INFO] running `Command { std: "docker" "start" "-a" "0c94ce90005fd5ebc9df1135edbe8e24375d0ee627ba7b1ba9f533f69c27ebc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking io-lifetimes v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 itertools v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[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" "0c94ce90005fd5ebc9df1135edbe8e24375d0ee627ba7b1ba9f533f69c27ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c94ce90005fd5ebc9df1135edbe8e24375d0ee627ba7b1ba9f533f69c27ebc1", kill_on_drop: false }`
[INFO] [stdout] 0c94ce90005fd5ebc9df1135edbe8e24375d0ee627ba7b1ba9f533f69c27ebc1
