[INFO] fetching crate nanorpc 0.1.12...
[INFO] checking nanorpc-0.1.12 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate nanorpc 0.1.12 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nanorpc 0.1.12 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanorpc 0.1.12
[INFO] finished tweaking crates.io crate nanorpc 0.1.12
[INFO] tweaked toml for crates.io crate nanorpc 0.1.12 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate nanorpc 0.1.12 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded security-framework v2.7.0
[INFO] [stderr]   Downloaded hyper v0.14.20
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded serde_json v1.0.87
[INFO] [stderr]   Downloaded openssl v0.10.42
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded async-process v1.5.0
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.77
[INFO] [stderr]   Downloaded nanorpc-derive v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd951970be5e729636f1c27f6a4797cd2b28955f6bc9f238aff95dcbb523b91
[INFO] running `Command { std: "docker" "start" "-a" "ecd951970be5e729636f1c27f6a4797cd2b28955f6bc9f238aff95dcbb523b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd951970be5e729636f1c27f6a4797cd2b28955f6bc9f238aff95dcbb523b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd951970be5e729636f1c27f6a4797cd2b28955f6bc9f238aff95dcbb523b91", kill_on_drop: false }`
[INFO] [stdout] ecd951970be5e729636f1c27f6a4797cd2b28955f6bc9f238aff95dcbb523b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 181f25986ba3f4163c4b9913db29f76fc13d7fb915eacad7526cc7f5b5d35d50
[INFO] running `Command { std: "docker" "start" "-a" "181f25986ba3f4163c4b9913db29f76fc13d7fb915eacad7526cc7f5b5d35d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]     Checking itoa v1.0.4
[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" "181f25986ba3f4163c4b9913db29f76fc13d7fb915eacad7526cc7f5b5d35d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181f25986ba3f4163c4b9913db29f76fc13d7fb915eacad7526cc7f5b5d35d50", kill_on_drop: false }`
[INFO] [stdout] 181f25986ba3f4163c4b9913db29f76fc13d7fb915eacad7526cc7f5b5d35d50
