[INFO] cloning repository https://github.com/dflemstr/marble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/marble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 772f08cb64d2b4b4c9b5c3ff2a31fef56b6e1590
[INFO] checking dflemstr/marble against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fmarble" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/marble on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/marble
[INFO] finished tweaking git repo https://github.com/dflemstr/marble
[INFO] tweaked toml for git repo https://github.com/dflemstr/marble written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/marble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e194335b6c14d5eceb48d946810f5d91e6faf8b0a2b158371116f84140103cb
[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" "7e194335b6c14d5eceb48d946810f5d91e6faf8b0a2b158371116f84140103cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e194335b6c14d5eceb48d946810f5d91e6faf8b0a2b158371116f84140103cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e194335b6c14d5eceb48d946810f5d91e6faf8b0a2b158371116f84140103cb", kill_on_drop: false }`
[INFO] [stdout] 7e194335b6c14d5eceb48d946810f5d91e6faf8b0a2b158371116f84140103cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9545b35e962b54b5e2877786aadd855fdd8421e72b0aabfd45373d6369372328
[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" "9545b35e962b54b5e2877786aadd855fdd8421e72b0aabfd45373d6369372328", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]     Checking vk-sys v0.2.1
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking x11-dl v2.11.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking vulkano v0.3.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr] error: could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=d39d2b1ecc69fbfc -C extra-filename=-d39d2b1ecc69fbfc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "9545b35e962b54b5e2877786aadd855fdd8421e72b0aabfd45373d6369372328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9545b35e962b54b5e2877786aadd855fdd8421e72b0aabfd45373d6369372328", kill_on_drop: false }`
[INFO] [stdout] 9545b35e962b54b5e2877786aadd855fdd8421e72b0aabfd45373d6369372328