[INFO] cloning repository https://github.com/carlosdamazio/spawner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosdamazio/spawner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdamazio%2Fspawner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdamazio%2Fspawner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 319e86a5df579e1bfeda9d191d4b8ddae9bbd449
[INFO] checking carlosdamazio/spawner/319e86a5df579e1bfeda9d191d4b8ddae9bbd449 against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdamazio%2Fspawner" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carlosdamazio/spawner on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carlosdamazio/spawner
[INFO] finished tweaking git repo https://github.com/carlosdamazio/spawner
[INFO] tweaked toml for git repo https://github.com/carlosdamazio/spawner written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/carlosdamazio/spawner 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.8.2
[INFO] [stderr]   Downloaded tonic v0.8.2
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1272c521f438c9606eaeb61986837226e03307dd37e033c389e1f580cdd8c7dc
[INFO] running `Command { std: "docker" "start" "-a" "1272c521f438c9606eaeb61986837226e03307dd37e033c389e1f580cdd8c7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1272c521f438c9606eaeb61986837226e03307dd37e033c389e1f580cdd8c7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1272c521f438c9606eaeb61986837226e03307dd37e033c389e1f580cdd8c7dc", kill_on_drop: false }`
[INFO] [stdout] 1272c521f438c9606eaeb61986837226e03307dd37e033c389e1f580cdd8c7dc
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588200ba0837e6c6e4cf0cec566470a37f202c6ca485c22a07cafecd550573ec
[INFO] running `Command { std: "docker" "start" "-a" "588200ba0837e6c6e4cf0cec566470a37f202c6ca485c22a07cafecd550573ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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] [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" "588200ba0837e6c6e4cf0cec566470a37f202c6ca485c22a07cafecd550573ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588200ba0837e6c6e4cf0cec566470a37f202c6ca485c22a07cafecd550573ec", kill_on_drop: false }`
[INFO] [stdout] 588200ba0837e6c6e4cf0cec566470a37f202c6ca485c22a07cafecd550573ec