[INFO] fetching crate fastcrypto-zkp 0.1.1...
[INFO] checking fastcrypto-zkp-0.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate fastcrypto-zkp 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fastcrypto-zkp 0.1.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastcrypto-zkp 0.1.1
[INFO] finished tweaking crates.io crate fastcrypto-zkp 0.1.1
[INFO] tweaked toml for crates.io crate fastcrypto-zkp 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fastcrypto-zkp 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-snark v0.4.0
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.9
[INFO] [stderr]   Downloaded ark-groth16 v0.4.0
[INFO] [stderr]   Downloaded primeorder v0.13.1
[INFO] [stderr]   Downloaded readonly v0.2.8
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded ark-bls12-377 v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.4.0
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded ark-bls12-381 v0.4.0
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded blst v0.3.10
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.4.0
[INFO] [stderr]   Downloaded der v0.7.5
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.2
[INFO] [stderr]   Downloaded fastcrypto v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc31983fd708a8d49abd0037b6c9467d07c8b13eef5ce95092dd448242b9ced
[INFO] running `Command { std: "docker" "start" "-a" "bdc31983fd708a8d49abd0037b6c9467d07c8b13eef5ce95092dd448242b9ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc31983fd708a8d49abd0037b6c9467d07c8b13eef5ce95092dd448242b9ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc31983fd708a8d49abd0037b6c9467d07c8b13eef5ce95092dd448242b9ced", kill_on_drop: false }`
[INFO] [stdout] bdc31983fd708a8d49abd0037b6c9467d07c8b13eef5ce95092dd448242b9ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73a58ac3b91b6c1ada90b2c93774970767788e6ad8042c6260572c4cccd35b41
[INFO] running `Command { std: "docker" "start" "-a" "73a58ac3b91b6c1ada90b2c93774970767788e6ad8042c6260572c4cccd35b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 pin-project-lite v0.2.9
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.96
[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" "73a58ac3b91b6c1ada90b2c93774970767788e6ad8042c6260572c4cccd35b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a58ac3b91b6c1ada90b2c93774970767788e6ad8042c6260572c4cccd35b41", kill_on_drop: false }`
[INFO] [stdout] 73a58ac3b91b6c1ada90b2c93774970767788e6ad8042c6260572c4cccd35b41
