[INFO] cloning repository https://github.com/michcode2/mandelbrot-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michcode2/mandelbrot-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichcode2%2Fmandelbrot-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichcode2%2Fmandelbrot-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4514e430d44bbcfa7ca672c5427544cbbb9209d0
[INFO] checking michcode2/mandelbrot-core/4514e430d44bbcfa7ca672c5427544cbbb9209d0 against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichcode2%2Fmandelbrot-core" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  67% (700/1042)
Updating files:  68% (709/1042)
Updating files:  69% (719/1042)
Updating files:  70% (730/1042)
Updating files:  71% (740/1042)
Updating files:  72% (751/1042)
Updating files:  73% (761/1042)
Updating files:  74% (772/1042)
Updating files:  75% (782/1042)
Updating files:  76% (792/1042)
Updating files:  77% (803/1042)
Updating files:  78% (813/1042)
Updating files:  79% (824/1042)
Updating files:  80% (834/1042)
Updating files:  81% (845/1042)
Updating files:  82% (855/1042)
Updating files:  83% (865/1042)
Updating files:  84% (876/1042)
Updating files:  85% (886/1042)
Updating files:  86% (897/1042)
Updating files:  87% (907/1042)
Updating files:  88% (917/1042)
Updating files:  89% (928/1042)
Updating files:  90% (938/1042)
Updating files:  91% (949/1042)
Updating files:  92% (959/1042)
Updating files:  93% (970/1042)
Updating files:  94% (980/1042)
Updating files:  95% (990/1042)
Updating files:  96% (1001/1042)
Updating files:  97% (1011/1042)
Updating files:  98% (1022/1042)
Updating files:  99% (1032/1042)
Updating files: 100% (1042/1042)
Updating files: 100% (1042/1042), done.
[INFO] started tweaking git repo https://github.com/michcode2/mandelbrot-core
[INFO] finished tweaking git repo https://github.com/michcode2/mandelbrot-core
[INFO] tweaked toml for git repo https://github.com/michcode2/mandelbrot-core written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michcode2/mandelbrot-core on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michcode2/mandelbrot-core 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.19.2
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.5.3
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7f29004102c4321db38b61c9473201168d0b1c88ac9bad30efec50f07e1396
[INFO] running `Command { std: "docker" "start" "-a" "7e7f29004102c4321db38b61c9473201168d0b1c88ac9bad30efec50f07e1396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7f29004102c4321db38b61c9473201168d0b1c88ac9bad30efec50f07e1396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7f29004102c4321db38b61c9473201168d0b1c88ac9bad30efec50f07e1396", kill_on_drop: false }`
[INFO] [stdout] 7e7f29004102c4321db38b61c9473201168d0b1c88ac9bad30efec50f07e1396
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49caf2a3e3cc0abb7d3ac57edd7c47d1bffb329e25c581e13b437ebdd3cbda60
[INFO] running `Command { std: "docker" "start" "-a" "49caf2a3e3cc0abb7d3ac57edd7c47d1bffb329e25c581e13b437ebdd3cbda60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]    Compiling rug v1.19.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 png v0.17.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[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...
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "49caf2a3e3cc0abb7d3ac57edd7c47d1bffb329e25c581e13b437ebdd3cbda60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49caf2a3e3cc0abb7d3ac57edd7c47d1bffb329e25c581e13b437ebdd3cbda60", kill_on_drop: false }`
[INFO] [stdout] 49caf2a3e3cc0abb7d3ac57edd7c47d1bffb329e25c581e13b437ebdd3cbda60
