[INFO] fetching crate aocf 0.1.21...
[INFO] checking aocf-0.1.21 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate aocf 0.1.21 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate aocf 0.1.21 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aocf 0.1.21
[INFO] finished tweaking crates.io crate aocf 0.1.21
[INFO] tweaked toml for crates.io crate aocf 0.1.21 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate aocf 0.1.21 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_generator v0.10.0
[INFO] [stderr]   Downloaded phf v0.10.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.2
[INFO] [stderr]   Downloaded phf_codegen v0.10.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded diesel_derives v1.4.1
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded xml5ever v0.17.0
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded diesel v1.4.8
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.2.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.6
[INFO] [stderr]   Downloaded html5ever v0.26.0
[INFO] [stderr]   Downloaded html2md v0.2.14
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded ureq v2.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.1
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded markup5ever v0.11.0
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded unicode-bidi v0.3.8
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ec5b8f42723c913ce7a7246ca18bbb8d2c080ffbc13673d72f75fe58535aaf
[INFO] running `Command { std: "docker" "start" "-a" "f6ec5b8f42723c913ce7a7246ca18bbb8d2c080ffbc13673d72f75fe58535aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ec5b8f42723c913ce7a7246ca18bbb8d2c080ffbc13673d72f75fe58535aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ec5b8f42723c913ce7a7246ca18bbb8d2c080ffbc13673d72f75fe58535aaf", kill_on_drop: false }`
[INFO] [stdout] f6ec5b8f42723c913ce7a7246ca18bbb8d2c080ffbc13673d72f75fe58535aaf
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a3be6f80796957605f3eb0b2f8cad445ccc4f3a651d3a9cecd42090b6508ece
[INFO] running `Command { std: "docker" "start" "-a" "2a3be6f80796957605f3eb0b2f8cad445ccc4f3a651d3a9cecd42090b6508ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[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" "2a3be6f80796957605f3eb0b2f8cad445ccc4f3a651d3a9cecd42090b6508ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3be6f80796957605f3eb0b2f8cad445ccc4f3a651d3a9cecd42090b6508ece", kill_on_drop: false }`
[INFO] [stdout] 2a3be6f80796957605f3eb0b2f8cad445ccc4f3a651d3a9cecd42090b6508ece
