[INFO] fetching crate substrace 0.2.0... [INFO] building substrace-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate substrace 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate substrace 0.2.0 [INFO] finished tweaking crates.io crate substrace 0.2.0 [INFO] tweaked toml for crates.io crate substrace 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate substrace 0.2.0 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 substrace 0.2.0 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 tester v0.9.0 [INFO] [stderr] Downloaded rustfix v0.6.1 [INFO] [stderr] Downloaded rustc-semver v1.1.0 [INFO] [stderr] Downloaded rustc-workspace-hack v1.0.0 [INFO] [stderr] Downloaded darling_core v0.14.2 [INFO] [stderr] Downloaded filetime v0.2.19 [INFO] [stderr] Downloaded enumset_derive v0.6.1 [INFO] [stderr] Downloaded enumset v1.0.12 [INFO] [stderr] Downloaded camino v1.1.1 [INFO] [stderr] Downloaded serde_json v1.0.89 [INFO] [stderr] Downloaded semver v1.0.14 [INFO] [stderr] Downloaded serde_derive v1.0.150 [INFO] [stderr] Downloaded serde v1.0.150 [INFO] [stderr] Downloaded darling_macro v0.14.2 [INFO] [stderr] Downloaded pulldown-cmark v0.9.2 [INFO] [stderr] Downloaded substrace_utils v0.2.0 [INFO] [stderr] Downloaded libc v0.2.138 [INFO] [stderr] Downloaded darling v0.14.2 [INFO] [stderr] Downloaded toml v0.5.10 [INFO] [stderr] Downloaded rustc_tools_util v0.2.1 [INFO] [stderr] Downloaded quine-mc_cluskey v0.2.4 [INFO] [stderr] Downloaded substrace_lints v0.2.0 [INFO] [stderr] Downloaded compiletest_rs v0.8.0 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 571dceecff436eaa9da25587aa4c66acf8c5e27622d6091b6b23a6e0bf530c4c [INFO] running `Command { std: "docker" "start" "-a" "571dceecff436eaa9da25587aa4c66acf8c5e27622d6091b6b23a6e0bf530c4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "571dceecff436eaa9da25587aa4c66acf8c5e27622d6091b6b23a6e0bf530c4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "571dceecff436eaa9da25587aa4c66acf8c5e27622d6091b6b23a6e0bf530c4c", kill_on_drop: false }` [INFO] [stdout] 571dceecff436eaa9da25587aa4c66acf8c5e27622d6091b6b23a6e0bf530c4c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8964aca0921b707e688032835cdd44803e6edeeb82127be12face3f2572b740e [INFO] running `Command { std: "docker" "start" "-a" "8964aca0921b707e688032835cdd44803e6edeeb82127be12face3f2572b740e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling serde_derive v1.0.150 [INFO] [stderr] Compiling serde v1.0.150 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Compiling semver v1.0.14 [INFO] [stderr] Compiling camino v1.1.1 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling pulldown-cmark v0.9.2 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stderr] Compiling if_chain v1.0.2 [INFO] [stderr] Compiling rustc_tools_util v0.2.1 [INFO] [stderr] Compiling rustc-semver v1.1.0 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling quine-mc_cluskey 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 itertools v0.10.5 [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" "8964aca0921b707e688032835cdd44803e6edeeb82127be12face3f2572b740e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8964aca0921b707e688032835cdd44803e6edeeb82127be12face3f2572b740e", kill_on_drop: false }` [INFO] [stdout] 8964aca0921b707e688032835cdd44803e6edeeb82127be12face3f2572b740e