[INFO] fetching crate mathical 0.1.3...
[INFO] checking mathical-0.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mathical 0.1.3 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate mathical 0.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathical 0.1.3
[INFO] finished tweaking crates.io crate mathical 0.1.3
[INFO] tweaked toml for crates.io crate mathical 0.1.3 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate mathical 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d531035ef727c3b0b8d26a0343f37fec960f9d3238079d5840e037957439e9f4
[INFO] running `Command { std: "docker" "start" "-a" "d531035ef727c3b0b8d26a0343f37fec960f9d3238079d5840e037957439e9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d531035ef727c3b0b8d26a0343f37fec960f9d3238079d5840e037957439e9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d531035ef727c3b0b8d26a0343f37fec960f9d3238079d5840e037957439e9f4", kill_on_drop: false }`
[INFO] [stdout] d531035ef727c3b0b8d26a0343f37fec960f9d3238079d5840e037957439e9f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab16da598f4326092b39d3cb7f96a67aa4d118479fc7ad05b1a57628fe9bc79b
[INFO] running `Command { std: "docker" "start" "-a" "ab16da598f4326092b39d3cb7f96a67aa4d118479fc7ad05b1a57628fe9bc79b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling fltk-sys v0.15.6
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling fltk-derive v0.15.6
[INFO] [stderr] error: could not compile `fltk-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name fltk_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fltk-derive-0.15.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=50c11f7e0c4a86e1 -C extra-filename=-50c11f7e0c4a86e1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-3efe6d274a3112f5.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-eeec8aa5de0eedd6.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab16da598f4326092b39d3cb7f96a67aa4d118479fc7ad05b1a57628fe9bc79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab16da598f4326092b39d3cb7f96a67aa4d118479fc7ad05b1a57628fe9bc79b", kill_on_drop: false }`
[INFO] [stdout] ab16da598f4326092b39d3cb7f96a67aa4d118479fc7ad05b1a57628fe9bc79b