[INFO] fetching crate megafb 0.0.1... [INFO] checking megafb-0.0.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate megafb 0.0.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate megafb 0.0.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate megafb 0.0.1 [INFO] finished tweaking crates.io crate megafb 0.0.1 [INFO] tweaked toml for crates.io crate megafb 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate megafb 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82fc66ab3af6de3143eb8007d07be94f104c29538f8b452ccfc1856aab935628 [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" "82fc66ab3af6de3143eb8007d07be94f104c29538f8b452ccfc1856aab935628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82fc66ab3af6de3143eb8007d07be94f104c29538f8b452ccfc1856aab935628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82fc66ab3af6de3143eb8007d07be94f104c29538f8b452ccfc1856aab935628", kill_on_drop: false }` [INFO] [stdout] 82fc66ab3af6de3143eb8007d07be94f104c29538f8b452ccfc1856aab935628 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 737c928aa7d5cd7750f5d5446e904e6083116a7239883ce003ddfce04ed80bb1 [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" "737c928aa7d5cd7750f5d5446e904e6083116a7239883ce003ddfce04ed80bb1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling shaderc-sys v0.6.0 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling wayland-scanner v0.23.5 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking stb_truetype v0.2.6 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking wayland-sys v0.23.5 [INFO] [stderr] Checking backtrace v0.3.33 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking rusttype v0.7.7 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.23.5 [INFO] [stderr] Compiling wayland-protocols v0.23.5 [INFO] [stderr] error: could not compile `syn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.40/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=ed36104a5b1f9299 -C extra-filename=-ed36104a5b1f9299 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8d9f0e70e1638b76.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-79a73205be3732bb.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f9d9fe975bfe7d9a.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: Pre-built library not found. Falling back to from-source build [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "737c928aa7d5cd7750f5d5446e904e6083116a7239883ce003ddfce04ed80bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "737c928aa7d5cd7750f5d5446e904e6083116a7239883ce003ddfce04ed80bb1", kill_on_drop: false }` [INFO] [stdout] 737c928aa7d5cd7750f5d5446e904e6083116a7239883ce003ddfce04ed80bb1