[INFO] fetching crate gled 1.2.0...
[INFO] testing gled-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gled 1.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gled 1.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gled 1.2.0
[INFO] finished tweaking crates.io crate gled 1.2.0
[INFO] tweaked toml for crates.io crate gled 1.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate gled 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8f41f5cf6363f3a96d9a96ba550b3ae0e0dc79d6cb6c4f0323c0b3d964fd195
[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" "e8f41f5cf6363f3a96d9a96ba550b3ae0e0dc79d6cb6c4f0323c0b3d964fd195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f41f5cf6363f3a96d9a96ba550b3ae0e0dc79d6cb6c4f0323c0b3d964fd195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f41f5cf6363f3a96d9a96ba550b3ae0e0dc79d6cb6c4f0323c0b3d964fd195", kill_on_drop: false }`
[INFO] [stdout] e8f41f5cf6363f3a96d9a96ba550b3ae0e0dc79d6cb6c4f0323c0b3d964fd195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111f916dab9bc86f06966f45fa96db9730868781411574aecd8b1247131e5225
[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" "111f916dab9bc86f06966f45fa96db9730868781411574aecd8b1247131e5225", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling pango v0.9.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling unicode-script v0.5.0
[INFO] [stderr]    Compiling rgb v0.8.16
[INFO] [stderr]    Compiling pico-args v0.3.3
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling gdk v0.13.0
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling lab v0.7.2
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling floating-duration v0.1.2
[INFO] [stderr]    Compiling gtk v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling kurbo v0.6.2
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling svgfilters v0.2.0
[INFO] [stderr]    Compiling delta_e v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling deflate v0.8.5
[INFO] [stderr]    Compiling artnet_protocol v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling png v0.16.6
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling svgdom v0.18.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling tiny-skia v0.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling fontdb v0.1.0
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=324244dd244af523 -C extra-filename=-324244dd244af523 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-2ab16646ef190ebc.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-9c8afc33c4d7176e.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-382bc28e71ec1b15.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-8d2af087de360564.rmeta --cap-lints allow --cap-lints=warn` (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" "111f916dab9bc86f06966f45fa96db9730868781411574aecd8b1247131e5225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111f916dab9bc86f06966f45fa96db9730868781411574aecd8b1247131e5225", kill_on_drop: false }`
[INFO] [stdout] 111f916dab9bc86f06966f45fa96db9730868781411574aecd8b1247131e5225