[INFO] cloning repository https://github.com/CoffeeImpliesCode/light_transport
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CoffeeImpliesCode/light_transport" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffeeImpliesCode%2Flight_transport", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffeeImpliesCode%2Flight_transport'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2882919822ff4599d8654a3306331b9e91d8eb
[INFO] checking CoffeeImpliesCode/light_transport against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffeeImpliesCode%2Flight_transport" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CoffeeImpliesCode/light_transport
[INFO] finished tweaking git repo https://github.com/CoffeeImpliesCode/light_transport
[INFO] tweaked toml for git repo https://github.com/CoffeeImpliesCode/light_transport written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CoffeeImpliesCode/light_transport on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CoffeeImpliesCode/light_transport 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1237c93d0ef7ac14db91af975b224fcabc6931aeddaa584ed18a4f8ada585ed9
[INFO] running `Command { std: "docker" "start" "-a" "1237c93d0ef7ac14db91af975b224fcabc6931aeddaa584ed18a4f8ada585ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1237c93d0ef7ac14db91af975b224fcabc6931aeddaa584ed18a4f8ada585ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1237c93d0ef7ac14db91af975b224fcabc6931aeddaa584ed18a4f8ada585ed9", kill_on_drop: false }`
[INFO] [stdout] 1237c93d0ef7ac14db91af975b224fcabc6931aeddaa584ed18a4f8ada585ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e68349133ec3218a58f1dbdb937a1dcecbb20fbc69a30d726446a9819048b0
[INFO] running `Command { std: "docker" "start" "-a" "c2e68349133ec3218a58f1dbdb937a1dcecbb20fbc69a30d726446a9819048b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ahash v0.8.0
[INFO] [stderr]    Compiling crossfont v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[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]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[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" "c2e68349133ec3218a58f1dbdb937a1dcecbb20fbc69a30d726446a9819048b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e68349133ec3218a58f1dbdb937a1dcecbb20fbc69a30d726446a9819048b0", kill_on_drop: false }`
[INFO] [stdout] c2e68349133ec3218a58f1dbdb937a1dcecbb20fbc69a30d726446a9819048b0
