[INFO] cloning repository https://github.com/generalelectrix/artnet-rescaler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/generalelectrix/artnet-rescaler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralelectrix%2Fartnet-rescaler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralelectrix%2Fartnet-rescaler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb59c8b314f420f31eda8cccecdaeba324adc119
[INFO] checking generalelectrix/artnet-rescaler against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralelectrix%2Fartnet-rescaler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/generalelectrix/artnet-rescaler
[INFO] finished tweaking git repo https://github.com/generalelectrix/artnet-rescaler
[INFO] tweaked toml for git repo https://github.com/generalelectrix/artnet-rescaler written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/generalelectrix/artnet-rescaler on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/generalelectrix/artnet-rescaler 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/generalelectrix/number`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded coremidi-sys v3.1.0
[INFO] [stderr]   Downloaded artnet_protocol v0.4.1
[INFO] [stderr]   Downloaded coremidi v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded time v0.3.21
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded alsa v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded midir v0.9.1
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded rosc v0.10.1
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe89724e983f68bf89dec08f7b3442462b6cd052216cc9c41dd813de70591c24
[INFO] running `Command { std: "docker" "start" "-a" "fe89724e983f68bf89dec08f7b3442462b6cd052216cc9c41dd813de70591c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe89724e983f68bf89dec08f7b3442462b6cd052216cc9c41dd813de70591c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe89724e983f68bf89dec08f7b3442462b6cd052216cc9c41dd813de70591c24", kill_on_drop: false }`
[INFO] [stdout] fe89724e983f68bf89dec08f7b3442462b6cd052216cc9c41dd813de70591c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6933cd04f74071ec70e2d8adab2a419d1b5db38bfc57a97d9ef370483bbace9
[INFO] running `Command { std: "docker" "start" "-a" "d6933cd04f74071ec70e2d8adab2a419d1b5db38bfc57a97d9ef370483bbace9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling time-macros v0.2.9
[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" "d6933cd04f74071ec70e2d8adab2a419d1b5db38bfc57a97d9ef370483bbace9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6933cd04f74071ec70e2d8adab2a419d1b5db38bfc57a97d9ef370483bbace9", kill_on_drop: false }`
[INFO] [stdout] d6933cd04f74071ec70e2d8adab2a419d1b5db38bfc57a97d9ef370483bbace9
