[INFO] fetching crate ape-fatfs 0.2.0...
[INFO] checking ape-fatfs-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ape-fatfs 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ape-fatfs 0.2.0 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 ape-fatfs 0.2.0
[INFO] finished tweaking crates.io crate ape-fatfs 0.2.0
[INFO] tweaked toml for crates.io crate ape-fatfs 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ape-fatfs 0.2.0 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 fscommon v0.1.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded termcolor v1.2.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.4.1
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded windows v0.48.0
[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] 4ec1777cc343bc403051dd6cc94b4d929b58802cbc92df18cb0db31e08a9b792
[INFO] running `Command { std: "docker" "start" "-a" "4ec1777cc343bc403051dd6cc94b4d929b58802cbc92df18cb0db31e08a9b792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ec1777cc343bc403051dd6cc94b4d929b58802cbc92df18cb0db31e08a9b792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec1777cc343bc403051dd6cc94b4d929b58802cbc92df18cb0db31e08a9b792", kill_on_drop: false }`
[INFO] [stdout] 4ec1777cc343bc403051dd6cc94b4d929b58802cbc92df18cb0db31e08a9b792
[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] f164cf9972514ffbfbb41ff4e46878166888abc663c392e81a1790e746ecf529
[INFO] running `Command { std: "docker" "start" "-a" "f164cf9972514ffbfbb41ff4e46878166888abc663c392e81a1790e746ecf529", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking fscommon v0.1.1
[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 aho-corasick v0.7.20
[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" "f164cf9972514ffbfbb41ff4e46878166888abc663c392e81a1790e746ecf529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f164cf9972514ffbfbb41ff4e46878166888abc663c392e81a1790e746ecf529", kill_on_drop: false }`
[INFO] [stdout] f164cf9972514ffbfbb41ff4e46878166888abc663c392e81a1790e746ecf529
