[INFO] cloning repository https://github.com/shiyivei/db-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiyivei/db-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiyivei%2Fdb-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiyivei%2Fdb-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ffee11d4a7ed4349506f7fbffe05a73f42d1cfc
[INFO] checking shiyivei/db-server against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiyivei%2Fdb-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shiyivei/db-server
[INFO] finished tweaking git repo https://github.com/shiyivei/db-server
[INFO] tweaked toml for git repo https://github.com/shiyivei/db-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shiyivei/db-server on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shiyivei/db-server 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded der-oid-macro v0.5.0
[INFO] [stderr]   Downloaded oid-registry v0.2.0
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded async-prost v0.3.0
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded tracing-appender v0.1.2
[INFO] [stderr]   Downloaded certify v0.3.1
[INFO] [stderr]   Downloaded prost-derive v0.9.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]   Downloaded rcgen v0.8.14
[INFO] [stderr]   Downloaded yamux v0.9.0
[INFO] [stderr]   Downloaded serde_derive v1.0.154
[INFO] [stderr]   Downloaded der-parser v6.0.1
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.15.0
[INFO] [stderr]   Downloaded opentelemetry v0.16.0
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.15.0
[INFO] [stderr]   Downloaded x509-parser v0.12.0
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] [stderr]   Downloaded prost v0.9.0
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded prost-build v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d79f1d41ff3957ca8c75c0d665c789eb48f1f993f3721da00d407f40d0dea7db
[INFO] running `Command { std: "docker" "start" "-a" "d79f1d41ff3957ca8c75c0d665c789eb48f1f993f3721da00d407f40d0dea7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79f1d41ff3957ca8c75c0d665c789eb48f1f993f3721da00d407f40d0dea7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79f1d41ff3957ca8c75c0d665c789eb48f1f993f3721da00d407f40d0dea7db", kill_on_drop: false }`
[INFO] [stdout] d79f1d41ff3957ca8c75c0d665c789eb48f1f993f3721da00d407f40d0dea7db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 098737d24c4fdb644dc501395ad95a1140f85dd9a5c3022522a972470dd7c2da
[INFO] running `Command { std: "docker" "start" "-a" "098737d24c4fdb644dc501395ad95a1140f85dd9a5c3022522a972470dd7c2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling either v1.8.1
[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" "098737d24c4fdb644dc501395ad95a1140f85dd9a5c3022522a972470dd7c2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098737d24c4fdb644dc501395ad95a1140f85dd9a5c3022522a972470dd7c2da", kill_on_drop: false }`
[INFO] [stdout] 098737d24c4fdb644dc501395ad95a1140f85dd9a5c3022522a972470dd7c2da