[INFO] cloning repository https://github.com/jbchouinard/mandelox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbchouinard/mandelox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fmandelox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fmandelox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64425b953c0a63f70284d9b80e5c9f29d17d9f6
[INFO] checking jbchouinard/mandelox against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fmandelox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jbchouinard/mandelox
[INFO] finished tweaking git repo https://github.com/jbchouinard/mandelox
[INFO] tweaked toml for git repo https://github.com/jbchouinard/mandelox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbchouinard/mandelox on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jbchouinard/mandelox 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/linebender/druid.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded gtk3-macros v0.14.0
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded glib-macros v0.14.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.14.0
[INFO] [stderr]   Downloaded atk v0.14.0
[INFO] [stderr]   Downloaded pango-sys v0.14.0
[INFO] [stderr]   Downloaded gdk v0.14.3
[INFO] [stderr]   Downloaded pest v2.4.0
[INFO] [stderr]   Downloaded gtk-sys v0.14.0
[INFO] [stderr]   Downloaded glib v0.14.8
[INFO] [stderr]   Downloaded gdk-sys v0.14.0
[INFO] [stderr]   Downloaded gio v0.14.8
[INFO] [stderr]   Downloaded image v0.24.4
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded gio-sys v0.14.0
[INFO] [stderr]   Downloaded piet v0.5.0
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded piet-direct2d v0.5.0
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded keyboard-types v0.6.2
[INFO] [stderr]   Downloaded cairo-rs v0.14.9
[INFO] [stderr]   Downloaded pango v0.14.8
[INFO] [stderr]   Downloaded gtk v0.14.3
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded cairo-sys-rs v0.14.9
[INFO] [stderr]   Downloaded glib-sys v0.14.0
[INFO] [stderr]   Downloaded gobject-sys v0.14.0
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded cfg-expr v0.8.1
[INFO] [stderr]   Downloaded fluent-bundle v0.15.2
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded atk-sys v0.14.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.14.0
[INFO] [stderr]   Downloaded system-deps v3.2.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.5.0
[INFO] [stderr]   Downloaded piet-common v0.5.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded piet-cairo v0.5.0
[INFO] [stderr]   Downloaded associative-cache v1.0.1
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded tiff v0.7.3
[INFO] [stderr]   Downloaded piet-web v0.5.0
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded utf16_lit v2.0.2
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded pangocairo-sys v0.14.0
[INFO] [stderr]   Downloaded pangocairo v0.14.0
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded ultraviolet v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02af857111369e41f906706beb48e8b43d4a5d48e8575db0d98a86132f66c890
[INFO] running `Command { std: "docker" "start" "-a" "02af857111369e41f906706beb48e8b43d4a5d48e8575db0d98a86132f66c890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02af857111369e41f906706beb48e8b43d4a5d48e8575db0d98a86132f66c890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02af857111369e41f906706beb48e8b43d4a5d48e8575db0d98a86132f66c890", kill_on_drop: false }`
[INFO] [stdout] 02af857111369e41f906706beb48e8b43d4a5d48e8575db0d98a86132f66c890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c657995ab25adbbf82804d6b3b71253b5ce95bf69ea774ee7021b0d87f1767
[INFO] running `Command { std: "docker" "start" "-a" "76c657995ab25adbbf82804d6b3b71253b5ce95bf69ea774ee7021b0d87f1767", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[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 thiserror v1.0.37
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 itertools v0.10.5
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling version-compare v0.0.11
[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" "76c657995ab25adbbf82804d6b3b71253b5ce95bf69ea774ee7021b0d87f1767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c657995ab25adbbf82804d6b3b71253b5ce95bf69ea774ee7021b0d87f1767", kill_on_drop: false }`
[INFO] [stdout] 76c657995ab25adbbf82804d6b3b71253b5ce95bf69ea774ee7021b0d87f1767