[INFO] fetching crate wilo 0.3.0...
[INFO] documenting wilo-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate wilo 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wilo 0.3.0 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 wilo 0.3.0
[INFO] finished tweaking crates.io crate wilo 0.3.0
[INFO] tweaked toml for crates.io crate wilo 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate wilo 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6c63f7e74dc714822f4577a6ed7703861a41f54cfe80725325d7527dc22f49c6
[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" "6c63f7e74dc714822f4577a6ed7703861a41f54cfe80725325d7527dc22f49c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c63f7e74dc714822f4577a6ed7703861a41f54cfe80725325d7527dc22f49c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c63f7e74dc714822f4577a6ed7703861a41f54cfe80725325d7527dc22f49c6", kill_on_drop: false }`
[INFO] [stdout] 6c63f7e74dc714822f4577a6ed7703861a41f54cfe80725325d7527dc22f49c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f2a2ef4868505905bed0deb5e9bfce71c2e7d4a0dc7e48ee5f7ca49ece9533e9
[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" "f2a2ef4868505905bed0deb5e9bfce71c2e7d4a0dc7e48ee5f7ca49ece9533e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking vtparse v0.2.2
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.2
[INFO] [stderr] error: could not compile `num-derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-derive-0.2.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="full-syntax"' -C metadata=138b67fd201a5c3e -C extra-filename=-138b67fd201a5c3e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e8a62c57741ef4cc.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b602621ca95ec466.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a06b138101bf7b90.rlib --extern proc_macro --cap-lints allow --cfg has_i128` (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" "f2a2ef4868505905bed0deb5e9bfce71c2e7d4a0dc7e48ee5f7ca49ece9533e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a2ef4868505905bed0deb5e9bfce71c2e7d4a0dc7e48ee5f7ca49ece9533e9", kill_on_drop: false }`
[INFO] [stdout] f2a2ef4868505905bed0deb5e9bfce71c2e7d4a0dc7e48ee5f7ca49ece9533e9