[INFO] fetching crate ns3-parallel 0.2.3... [INFO] building ns3-parallel-0.2.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate ns3-parallel 0.2.3 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate ns3-parallel 0.2.3 [INFO] finished tweaking crates.io crate ns3-parallel 0.2.3 [INFO] tweaked toml for crates.io crate ns3-parallel 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ns3-parallel 0.2.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ns3-parallel 0.2.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v1.10.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded serde_yaml v0.9.14 [INFO] [stderr] Downloaded pbr v1.0.4 [INFO] [stderr] Downloaded futures-executor v0.3.25 [INFO] [stderr] Downloaded futures-macro v0.3.25 [INFO] [stderr] Downloaded futures v0.3.25 [INFO] [stderr] Downloaded unsafe-libyaml v0.2.4 [INFO] [stderr] Downloaded serde v1.0.147 [INFO] [stderr] Downloaded crossbeam-utils v0.8.12 [INFO] [stderr] Downloaded serde_derive v1.0.147 [INFO] [stderr] Downloaded syn v1.0.103 [INFO] [stderr] Downloaded ron v0.8.0 [INFO] [stderr] Downloaded lock_api v0.4.9 [INFO] [stderr] Downloaded parking_lot_core v0.9.4 [INFO] [stderr] Downloaded serde_json v1.0.87 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 339e2e9296106be98fb50593f7e71add83e7b3103533c381cc7d7b2e510bdf59 [INFO] running `Command { std: "docker" "start" "-a" "339e2e9296106be98fb50593f7e71add83e7b3103533c381cc7d7b2e510bdf59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "339e2e9296106be98fb50593f7e71add83e7b3103533c381cc7d7b2e510bdf59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339e2e9296106be98fb50593f7e71add83e7b3103533c381cc7d7b2e510bdf59", kill_on_drop: false }` [INFO] [stdout] 339e2e9296106be98fb50593f7e71add83e7b3103533c381cc7d7b2e510bdf59 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d00f8d7e3502270bcb68b743ec820b14da570d331c75bb4935374e4fd188de30 [INFO] running `Command { std: "docker" "start" "-a" "d00f8d7e3502270bcb68b743ec820b14da570d331c75bb4935374e4fd188de30", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling futures-io v0.3.25 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling unsafe-libyaml v0.2.4 [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 crossbeam-channel v0.5.6 [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" "d00f8d7e3502270bcb68b743ec820b14da570d331c75bb4935374e4fd188de30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d00f8d7e3502270bcb68b743ec820b14da570d331c75bb4935374e4fd188de30", kill_on_drop: false }` [INFO] [stdout] d00f8d7e3502270bcb68b743ec820b14da570d331c75bb4935374e4fd188de30