[INFO] fetching crate fltk 0.12.5...
[INFO] testing fltk-0.12.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fltk 0.12.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fltk 0.12.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk 0.12.5
[INFO] finished tweaking crates.io crate fltk 0.12.5
[INFO] tweaked toml for crates.io crate fltk 0.12.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fltk 0.12.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fltk-derive v0.12.5
[INFO] [stderr]   Downloaded fltk-sys v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 087d0c5aee663e46ebb1f2a303925140870ad63b4d5961698141d756d200277c
[INFO] running `Command { std: "docker" "start" "-a" "087d0c5aee663e46ebb1f2a303925140870ad63b4d5961698141d756d200277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087d0c5aee663e46ebb1f2a303925140870ad63b4d5961698141d756d200277c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087d0c5aee663e46ebb1f2a303925140870ad63b4d5961698141d756d200277c", kill_on_drop: false }`
[INFO] [stdout] 087d0c5aee663e46ebb1f2a303925140870ad63b4d5961698141d756d200277c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07bcf1e831a17d6e0743a963b84ef8dd7469cfb8768fa65ad2d7ff95f3b6834a
[INFO] running `Command { std: "docker" "start" "-a" "07bcf1e831a17d6e0743a963b84ef8dd7469cfb8768fa65ad2d7ff95f3b6834a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling fltk-sys v0.12.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fltk-derive v0.12.5
[INFO] [stderr]    Compiling fltk v0.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "07bcf1e831a17d6e0743a963b84ef8dd7469cfb8768fa65ad2d7ff95f3b6834a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bcf1e831a17d6e0743a963b84ef8dd7469cfb8768fa65ad2d7ff95f3b6834a", kill_on_drop: false }`
[INFO] [stdout] 07bcf1e831a17d6e0743a963b84ef8dd7469cfb8768fa65ad2d7ff95f3b6834a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23721da94be69c2ad4422c8f9d429e64715d94d9e5cd0a170ff71f1002403295
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23721da94be69c2ad4422c8f9d429e64715d94d9e5cd0a170ff71f1002403295", kill_on_drop: false }`
[INFO] [stderr]    Compiling fltk v0.12.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `fltk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name fltk --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=d66ee34b10f1446f -C extra-filename=-d66ee34b10f1446f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib --extern fltk_derive=/opt/rustwide/target/debug/deps/libfltk_derive-addf90f5ef8d962b.so --extern fltk_sys=/opt/rustwide/target/debug/deps/libfltk_sys-6260a472ecf6c373.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/build -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/build/Release -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/lib -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/lib64 -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/lib/Release -L native=/opt/rustwide/target/debug/build/fltk-sys-3772c62fd8ba48db/out/lib64/Release` (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" "23721da94be69c2ad4422c8f9d429e64715d94d9e5cd0a170ff71f1002403295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23721da94be69c2ad4422c8f9d429e64715d94d9e5cd0a170ff71f1002403295", kill_on_drop: false }`
[INFO] [stdout] 23721da94be69c2ad4422c8f9d429e64715d94d9e5cd0a170ff71f1002403295