[INFO] cloning repository https://github.com/fbielejec/arkworks_play [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbielejec/arkworks_play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Farkworks_play", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Farkworks_play'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e4315f6831d2134312d2e42a705197423e3e212 [INFO] checking fbielejec/arkworks_play against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Farkworks_play" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fbielejec/arkworks_play on toolchain 667247db71ea18c4130dd018d060e7f09d589490 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/fbielejec/arkworks_play [INFO] finished tweaking git repo https://github.com/fbielejec/arkworks_play [INFO] tweaked toml for git repo https://github.com/fbielejec/arkworks_play written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fbielejec/arkworks_play 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" "+667247db71ea18c4130dd018d060e7f09d589490" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ark-groth16 v0.3.0 [INFO] [stderr] Downloaded ark-snark v0.3.0 [INFO] [stderr] Downloaded ark-test-curves v0.3.0 [INFO] [stderr] Downloaded ark-crypto-primitives v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c3e0edb0707192aa55a6adebac4b48c64f0ee0640166fef8c7eb55b7072eaf9 [INFO] running `Command { std: "docker" "start" "-a" "5c3e0edb0707192aa55a6adebac4b48c64f0ee0640166fef8c7eb55b7072eaf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c3e0edb0707192aa55a6adebac4b48c64f0ee0640166fef8c7eb55b7072eaf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c3e0edb0707192aa55a6adebac4b48c64f0ee0640166fef8c7eb55b7072eaf9", kill_on_drop: false }` [INFO] [stdout] 5c3e0edb0707192aa55a6adebac4b48c64f0ee0640166fef8c7eb55b7072eaf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a0885f157605dcc3c6d9b58a90d3bdb4873238dffa81be5c3cd668d8e27cd98 [INFO] running `Command { std: "docker" "start" "-a" "0a0885f157605dcc3c6d9b58a90d3bdb4873238dffa81be5c3cd668d8e27cd98", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking os_str_bytes v6.3.1 [INFO] [stderr] Compiling anyhow v1.0.66 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking clap_lex v0.3.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [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 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0a0885f157605dcc3c6d9b58a90d3bdb4873238dffa81be5c3cd668d8e27cd98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a0885f157605dcc3c6d9b58a90d3bdb4873238dffa81be5c3cd668d8e27cd98", kill_on_drop: false }` [INFO] [stdout] 0a0885f157605dcc3c6d9b58a90d3bdb4873238dffa81be5c3cd668d8e27cd98