[INFO] cloning repository https://github.com/tyshkor/novanacci [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyshkor/novanacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyshkor%2Fnovanacci", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyshkor%2Fnovanacci'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36d268332a030e24a051f1d0cb1c90aeae220403 [INFO] building tyshkor/novanacci/36d268332a030e24a051f1d0cb1c90aeae220403 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyshkor%2Fnovanacci" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tyshkor/novanacci on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tyshkor/novanacci [INFO] finished tweaking git repo https://github.com/tyshkor/novanacci [INFO] tweaked toml for git repo https://github.com/tyshkor/novanacci written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tyshkor/novanacci 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pasta-msm v0.1.4 [INFO] [stderr] Downloaded nova-snark v0.21.0 [INFO] [stderr] Downloaded ec-gpu v0.2.0 [INFO] [stderr] Downloaded addchain v0.2.0 [INFO] [stderr] Downloaded ec-gpu-gen v0.6.0 [INFO] [stderr] Downloaded pairing v0.23.0 [INFO] [stderr] Downloaded semolina v0.1.4 [INFO] [stderr] Downloaded bellperson v0.25.0 [INFO] [stderr] Downloaded blstrs v0.7.0 [INFO] [stderr] Downloaded sppark v0.1.3 [INFO] [stderr] Downloaded pasta_curves v0.5.1 [INFO] [stderr] Downloaded ff_derive v0.13.0 [INFO] [stderr] Downloaded execute-command-macro-impl v0.1.9 [INFO] [stderr] Downloaded execute-command-macro v0.1.8 [INFO] [stderr] Downloaded execute-command-tokens v0.1.6 [INFO] [stderr] Downloaded execute v0.2.12 [INFO] [stderr] Downloaded trait-set v0.3.0 [INFO] [stderr] Downloaded neptune v9.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3486ce89e2e1a40010cc8cb4af7c9b1f8f5618d30b36197135852bfeb0c68d1f [INFO] running `Command { std: "docker" "start" "-a" "3486ce89e2e1a40010cc8cb4af7c9b1f8f5618d30b36197135852bfeb0c68d1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3486ce89e2e1a40010cc8cb4af7c9b1f8f5618d30b36197135852bfeb0c68d1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3486ce89e2e1a40010cc8cb4af7c9b1f8f5618d30b36197135852bfeb0c68d1f", kill_on_drop: false }` [INFO] [stdout] 3486ce89e2e1a40010cc8cb4af7c9b1f8f5618d30b36197135852bfeb0c68d1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fe8dac8442a881878445b570062edb50a94c84084a7e859cb4ecf4f703c4eb4 [INFO] running `Command { std: "docker" "start" "-a" "4fe8dac8442a881878445b570062edb50a94c84084a7e859cb4ecf4f703c4eb4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.58 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling funty v2.0.0 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling wyz v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 arrayref v0.3.7 [INFO] [stderr] Compiling execute-command-tokens v0.1.6 [INFO] [stderr] Compiling bitvec v1.0.1 [INFO] [stderr] Compiling constant_time_eq v0.2.5 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [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" "4fe8dac8442a881878445b570062edb50a94c84084a7e859cb4ecf4f703c4eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fe8dac8442a881878445b570062edb50a94c84084a7e859cb4ecf4f703c4eb4", kill_on_drop: false }` [INFO] [stdout] 4fe8dac8442a881878445b570062edb50a94c84084a7e859cb4ecf4f703c4eb4