[INFO] fetching crate unveil-rs 0.1.2-alpha1...
[INFO] documenting unveil-rs-0.1.2-alpha1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate unveil-rs 0.1.2-alpha1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate unveil-rs 0.1.2-alpha1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unveil-rs 0.1.2-alpha1
[INFO] finished tweaking crates.io crate unveil-rs 0.1.2-alpha1
[INFO] tweaked toml for crates.io crate unveil-rs 0.1.2-alpha1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate unveil-rs 0.1.2-alpha1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c02529516ccb6279e5fc2c3aae050975df515969cab989b4ed2a4f6fceef73f
[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" "0c02529516ccb6279e5fc2c3aae050975df515969cab989b4ed2a4f6fceef73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c02529516ccb6279e5fc2c3aae050975df515969cab989b4ed2a4f6fceef73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c02529516ccb6279e5fc2c3aae050975df515969cab989b4ed2a4f6fceef73f", kill_on_drop: false }`
[INFO] [stdout] 0c02529516ccb6279e5fc2c3aae050975df515969cab989b4ed2a4f6fceef73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ace80bea1e436cba0c2486e4d0f27e9dfb26495b73d4f88ae41631d77d87c55a
[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" "ace80bea1e436cba0c2486e4d0f27e9dfb26495b73d4f88ae41631d77d87c55a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking horrorshow v0.8.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling sass-sys v0.4.18
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[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-1.0.105/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=1398e9a6b146f372 -C extra-filename=-1398e9a6b146f372 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "ace80bea1e436cba0c2486e4d0f27e9dfb26495b73d4f88ae41631d77d87c55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace80bea1e436cba0c2486e4d0f27e9dfb26495b73d4f88ae41631d77d87c55a", kill_on_drop: false }`
[INFO] [stdout] ace80bea1e436cba0c2486e4d0f27e9dfb26495b73d4f88ae41631d77d87c55a