[INFO] cloning repository https://github.com/nelson137/nelson137-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nelson137/nelson137-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fnelson137-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fnelson137-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 889664cbd39448c23788088ace46600d1f10bdbf
[INFO] building nelson137/nelson137-scratch against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelson137%2Fnelson137-scratch" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nelson137/nelson137-scratch
[INFO] finished tweaking git repo https://github.com/nelson137/nelson137-scratch
[INFO] tweaked toml for git repo https://github.com/nelson137/nelson137-scratch written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nelson137/nelson137-scratch on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nelson137/nelson137-scratch 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded bevy_derive v0.9.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded bevy_ecs_macros v0.9.1
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded bevy_reflect_derive v0.9.1
[INFO] [stderr]   Downloaded erased-serde v0.3.25
[INFO] [stderr]   Downloaded bevy_utils v0.9.1
[INFO] [stderr]   Downloaded async-task v4.3.0
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded cache-padded v1.2.0
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded bevy_ecs v0.9.1
[INFO] [stderr]   Downloaded futures-io v0.3.27
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded bevy_tasks v0.9.1
[INFO] [stderr]   Downloaded bevy_reflect v0.9.1
[INFO] [stderr]   Downloaded bevy_macro_utils v0.9.1
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded bevy_ptr v0.9.1
[INFO] [stderr]   Downloaded quote v1.0.25
[INFO] [stderr]   Downloaded bevy_app v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a619ce256877889396343311ba1571aab57f7e3ce92fb1b1ec2ccbe369b1d0a5
[INFO] running `Command { std: "docker" "start" "-a" "a619ce256877889396343311ba1571aab57f7e3ce92fb1b1ec2ccbe369b1d0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a619ce256877889396343311ba1571aab57f7e3ce92fb1b1ec2ccbe369b1d0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a619ce256877889396343311ba1571aab57f7e3ce92fb1b1ec2ccbe369b1d0a5", kill_on_drop: false }`
[INFO] [stdout] a619ce256877889396343311ba1571aab57f7e3ce92fb1b1ec2ccbe369b1d0a5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dbe896d68c0e74c3443e27c4942daea57023b400a870b0a3560891cc67c9eb7
[INFO] running `Command { std: "docker" "start" "-a" "5dbe896d68c0e74c3443e27c4942daea57023b400a870b0a3560891cc67c9eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.25
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling futures-io v0.3.27
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling bevy_ptr v0.9.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[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" "5dbe896d68c0e74c3443e27c4942daea57023b400a870b0a3560891cc67c9eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbe896d68c0e74c3443e27c4942daea57023b400a870b0a3560891cc67c9eb7", kill_on_drop: false }`
[INFO] [stdout] 5dbe896d68c0e74c3443e27c4942daea57023b400a870b0a3560891cc67c9eb7