[INFO] cloning repository https://github.com/Daniel599/protobuf_desc_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Daniel599/protobuf_desc_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniel599%2Fprotobuf_desc_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniel599%2Fprotobuf_desc_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c79e10959524c87ac836005620349f19959d9241
[INFO] checking Daniel599/protobuf_desc_demo against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniel599%2Fprotobuf_desc_demo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Daniel599/protobuf_desc_demo
[INFO] finished tweaking git repo https://github.com/Daniel599/protobuf_desc_demo
[INFO] tweaked toml for git repo https://github.com/Daniel599/protobuf_desc_demo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Daniel599/protobuf_desc_demo on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Daniel599/protobuf_desc_demo 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syslog_loose v0.18.0
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.1
[INFO] [stderr]   Downloaded peeking_take_while v1.0.0
[INFO] [stderr]   Downloaded chrono-tz-build v0.1.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
[INFO] [stderr]   Downloaded base16 v0.2.1
[INFO] [stderr]   Downloaded indoc v2.0.1
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded prost-reflect v0.11.4
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded rkyv v0.7.42
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded cfb-mode v0.8.2
[INFO] [stderr]   Downloaded rust_decimal v1.29.1
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded roxmltree v0.18.0
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded bytecheck v0.6.11
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[INFO] [stderr]   Downloaded ofb v0.6.1
[INFO] [stderr]   Downloaded ordered-float v3.7.0
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[INFO] [stderr]   Downloaded phf_generator v0.11.1
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[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded phf_codegen v0.11.1
[INFO] [stderr]   Downloaded dns-lookup v1.0.8
[INFO] [stderr]   Downloaded chrono-tz v0.8.2
[INFO] [stderr]   Downloaded uaparser v0.6.0
[INFO] [stderr]   Downloaded onig_sys v69.8.1
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[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded zstd-sys v2.0.8+zstd.1.5.5
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[INFO] [stderr]   Downloaded csv v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2151f9293bff6788071da564718184d5c4938533f4c616beba669b1b1132c126
[INFO] running `Command { std: "docker" "start" "-a" "2151f9293bff6788071da564718184d5c4938533f4c616beba669b1b1132c126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2151f9293bff6788071da564718184d5c4938533f4c616beba669b1b1132c126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2151f9293bff6788071da564718184d5c4938533f4c616beba669b1b1132c126", kill_on_drop: false }`
[INFO] [stdout] 2151f9293bff6788071da564718184d5c4938533f4c616beba669b1b1132c126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fd825b02ce26b51e58341788e32d008af687f74b56ae7969168713fd3bf0e0
[INFO] running `Command { std: "docker" "start" "-a" "f3fd825b02ce26b51e58341788e32d008af687f74b56ae7969168713fd3bf0e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[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" "f3fd825b02ce26b51e58341788e32d008af687f74b56ae7969168713fd3bf0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fd825b02ce26b51e58341788e32d008af687f74b56ae7969168713fd3bf0e0", kill_on_drop: false }`
[INFO] [stdout] f3fd825b02ce26b51e58341788e32d008af687f74b56ae7969168713fd3bf0e0
