[INFO] cloning repository https://github.com/trvswgnr/rust-serverless-functions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trvswgnr/rust-serverless-functions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Frust-serverless-functions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Frust-serverless-functions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bd046096e33ebb37d6d11b160d04c8ec03506c8
[INFO] checking trvswgnr/rust-serverless-functions against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Frust-serverless-functions" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trvswgnr/rust-serverless-functions
[INFO] finished tweaking git repo https://github.com/trvswgnr/rust-serverless-functions
[INFO] tweaked toml for git repo https://github.com/trvswgnr/rust-serverless-functions written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trvswgnr/rust-serverless-functions on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trvswgnr/rust-serverless-functions 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vercel_runtime v0.2.1
[INFO] [stderr]   Downloaded lambda_http v0.7.3
[INFO] [stderr]   Downloaded lambda_runtime_api_client v0.7.0
[INFO] [stderr]   Downloaded http-serde v1.1.2
[INFO] [stderr]   Downloaded query_map v0.6.0
[INFO] [stderr]   Downloaded lambda_runtime v0.7.3
[INFO] [stderr]   Downloaded http-range-header v0.3.0
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded aws_lambda_events v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd850430ebffc7ee017191614ac2967cd4aa06b521a0acb967b09b182d44dac
[INFO] running `Command { std: "docker" "start" "-a" "ebd850430ebffc7ee017191614ac2967cd4aa06b521a0acb967b09b182d44dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd850430ebffc7ee017191614ac2967cd4aa06b521a0acb967b09b182d44dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd850430ebffc7ee017191614ac2967cd4aa06b521a0acb967b09b182d44dac", kill_on_drop: false }`
[INFO] [stdout] ebd850430ebffc7ee017191614ac2967cd4aa06b521a0acb967b09b182d44dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83230ae29a94f12d735c3dc9495f11b63379e2e6ddfc4177a353f0b21b926859
[INFO] running `Command { std: "docker" "start" "-a" "83230ae29a94f12d735c3dc9495f11b63379e2e6ddfc4177a353f0b21b926859", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] [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" "83230ae29a94f12d735c3dc9495f11b63379e2e6ddfc4177a353f0b21b926859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83230ae29a94f12d735c3dc9495f11b63379e2e6ddfc4177a353f0b21b926859", kill_on_drop: false }`
[INFO] [stdout] 83230ae29a94f12d735c3dc9495f11b63379e2e6ddfc4177a353f0b21b926859