[INFO] fetching crate nightly-async-nats 0.27.1... [INFO] building nightly-async-nats-0.27.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate nightly-async-nats 0.27.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate nightly-async-nats 0.27.1 [INFO] finished tweaking crates.io crate nightly-async-nats 0.27.1 [INFO] tweaked toml for crates.io crate nightly-async-nats 0.27.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate nightly-async-nats 0.27.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nightly-async-nats 0.27.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-bidi v0.3.10 [INFO] [stderr] Downloaded tokio-retry v0.3.0 [INFO] [stderr] Downloaded pin-project-internal v1.0.12 [INFO] [stderr] Downloaded pin-project v1.0.12 [INFO] [stderr] Downloaded nuid v0.3.2 [INFO] [stderr] Downloaded time v0.3.17 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.13 [INFO] [stderr] Downloaded base64-url v1.4.13 [INFO] [stderr] Downloaded crossbeam-deque v0.8.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.14 [INFO] [stderr] Downloaded futures v0.3.26 [INFO] [stderr] Downloaded rayon-core v1.10.2 [INFO] [stderr] Downloaded crossbeam-channel v0.5.6 [INFO] [stderr] Downloaded nkeys v0.2.0 [INFO] [stderr] Downloaded plotters v0.3.4 [INFO] [stderr] Downloaded futures-util v0.3.26 [INFO] [stderr] Downloaded tokio v1.25.0 [INFO] [stderr] Downloaded serde_derive v1.0.152 [INFO] [stderr] Downloaded futures-channel v0.3.26 [INFO] [stderr] Downloaded futures-core v0.3.26 [INFO] [stderr] Downloaded rayon v1.6.1 [INFO] [stderr] Downloaded rustls-native-certs v0.6.2 [INFO] [stderr] Downloaded futures-sink v0.3.26 [INFO] [stderr] Downloaded futures-task v0.3.26 [INFO] [stderr] Downloaded data-encoding v2.3.3 [INFO] [stderr] Downloaded cpufeatures v0.2.5 [INFO] [stderr] Downloaded zeroize_derive v1.3.3 [INFO] [stderr] Downloaded plotters-svg v0.3.3 [INFO] [stderr] Downloaded futures-executor v0.3.26 [INFO] [stderr] Downloaded futures-macro v0.3.26 [INFO] [stderr] Downloaded signatory v0.23.2 [INFO] [stderr] Downloaded serde_nanos v0.1.2 [INFO] [stderr] Downloaded serde_repr v0.1.10 [INFO] [stderr] Downloaded subslice v0.2.3 [INFO] [stderr] Downloaded time-macros v0.2.6 [INFO] [stderr] Downloaded tracing-attributes v0.1.23 [INFO] [stderr] Downloaded futures-io v0.3.26 [INFO] [stderr] Downloaded zeroize v1.5.7 [INFO] [stderr] Downloaded tracing-subscriber v0.3.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 033f40d7f41ff3edc1b9053111dcf6b3cb663391dcff0df3ec7d2b4de05c8c99 [INFO] running `Command { std: "docker" "start" "-a" "033f40d7f41ff3edc1b9053111dcf6b3cb663391dcff0df3ec7d2b4de05c8c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "033f40d7f41ff3edc1b9053111dcf6b3cb663391dcff0df3ec7d2b4de05c8c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "033f40d7f41ff3edc1b9053111dcf6b3cb663391dcff0df3ec7d2b4de05c8c99", kill_on_drop: false }` [INFO] [stdout] 033f40d7f41ff3edc1b9053111dcf6b3cb663391dcff0df3ec7d2b4de05c8c99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df7036190cf9762ffb7d71c870fe9d324cc454795cfd11b16faa13526bb2c027 [INFO] running `Command { std: "docker" "start" "-a" "df7036190cf9762ffb7d71c870fe9d324cc454795cfd11b16faa13526bb2c027", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.50 [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 libc v0.2.139 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling once_cell v1.17.0 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling futures-core v0.3.26 [INFO] [stderr] Compiling parking_lot_core v0.9.6 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling const-oid v0.6.2 [INFO] [stderr] Compiling futures-channel v0.3.26 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-task v0.3.26 [INFO] [stderr] Compiling der v0.4.5 [INFO] [stderr] Compiling tokio v1.25.0 [INFO] [stderr] Compiling futures-sink v0.3.26 [INFO] [stderr] Compiling futures-util v0.3.26 [INFO] [stderr] Compiling signature v1.6.4 [INFO] [stderr] Compiling base64ct v1.1.1 [INFO] [stderr] Compiling cpufeatures v0.2.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling rustls v0.20.8 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 pem-rfc7468 v0.2.4 [INFO] [stderr] Compiling futures-io v0.3.26 [INFO] [stderr] Compiling itoa v1.0.5 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling ed25519 v1.5.3 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling spki v0.4.1 [INFO] [stderr] Compiling unicode-bidi v0.3.10 [INFO] [stderr] Compiling base64 v0.21.0 [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" "df7036190cf9762ffb7d71c870fe9d324cc454795cfd11b16faa13526bb2c027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df7036190cf9762ffb7d71c870fe9d324cc454795cfd11b16faa13526bb2c027", kill_on_drop: false }` [INFO] [stdout] df7036190cf9762ffb7d71c870fe9d324cc454795cfd11b16faa13526bb2c027