[INFO] fetching crate check-if-email-exists-grpc 1.0.0...
[INFO] checking check-if-email-exists-grpc-1.0.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate check-if-email-exists-grpc 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate check-if-email-exists-grpc 1.0.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate check-if-email-exists-grpc 1.0.0
[INFO] finished tweaking crates.io crate check-if-email-exists-grpc 1.0.0
[INFO] tweaked toml for crates.io crate check-if-email-exists-grpc 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate check-if-email-exists-grpc 1.0.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.10
[INFO] [stderr]   Downloaded prost-derive v0.11.0
[INFO] [stderr]   Downloaded tokio-io-timeout v1.1.1
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.77
[INFO] [stderr]   Downloaded prost v0.11.0
[INFO] [stderr]   Downloaded tonic-health v0.7.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] [stderr]   Downloaded axum-core v0.2.8
[INFO] [stderr]   Downloaded async-std-resolver v0.21.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded async-process v1.2.0
[INFO] [stderr]   Downloaded async-native-tls v0.4.0
[INFO] [stderr]   Downloaded fast-socks5 v0.8.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded js-sys v0.3.54
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded mailchecker v5.0.1
[INFO] [stderr]   Downloaded web-sys v0.3.54
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded bumpalo v3.7.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.77
[INFO] [stderr]   Downloaded redis v0.21.6
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded axum v0.5.16
[INFO] [stderr]   Downloaded async-smtp v0.5.0
[INFO] [stderr]   Downloaded ipconfig v0.3.0
[INFO] [stderr]   Downloaded reacher-fast-socks5 v0.8.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.77
[INFO] [stderr]   Downloaded arc-swap v1.3.2
[INFO] [stderr]   Downloaded tinyvec v1.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded unicode-bidi v0.3.6
[INFO] [stderr]   Downloaded tonic v0.8.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.77
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded check-if-email-exists v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c6164c3b88cb03082cd42c290b7454cd78049b64115ad0f27ba0c306bcc9968
[INFO] running `Command { std: "docker" "start" "-a" "0c6164c3b88cb03082cd42c290b7454cd78049b64115ad0f27ba0c306bcc9968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c6164c3b88cb03082cd42c290b7454cd78049b64115ad0f27ba0c306bcc9968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6164c3b88cb03082cd42c290b7454cd78049b64115ad0f27ba0c306bcc9968", kill_on_drop: false }`
[INFO] [stdout] 0c6164c3b88cb03082cd42c290b7454cd78049b64115ad0f27ba0c306bcc9968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad60caa779a68b748ef00213f370352b33a6bc31e25fdf840ed8d498cc66231b
[INFO] running `Command { std: "docker" "start" "-a" "ad60caa779a68b748ef00213f370352b33a6bc31e25fdf840ed8d498cc66231b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ad60caa779a68b748ef00213f370352b33a6bc31e25fdf840ed8d498cc66231b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad60caa779a68b748ef00213f370352b33a6bc31e25fdf840ed8d498cc66231b", kill_on_drop: false }`
[INFO] [stdout] ad60caa779a68b748ef00213f370352b33a6bc31e25fdf840ed8d498cc66231b
