[INFO] fetching crate streampager 0.8.0...
[INFO] documenting streampager-0.8.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate streampager 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate streampager 0.8.0 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 streampager 0.8.0
[INFO] finished tweaking crates.io crate streampager 0.8.0
[INFO] tweaked toml for crates.io crate streampager 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate streampager 0.8.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1668fb8321d860a0da7532d31b65df02f0fb0ec354ce9592d263d2653f16aad6
[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" "1668fb8321d860a0da7532d31b65df02f0fb0ec354ce9592d263d2653f16aad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1668fb8321d860a0da7532d31b65df02f0fb0ec354ce9592d263d2653f16aad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1668fb8321d860a0da7532d31b65df02f0fb0ec354ce9592d263d2653f16aad6", kill_on_drop: false }`
[INFO] [stdout] 1668fb8321d860a0da7532d31b65df02f0fb0ec354ce9592d263d2653f16aad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6eaec257aa985c1b3e44aeb16446ad2e7327dd311207d7123003b69d946212e7
[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" "6eaec257aa985c1b3e44aeb16446ad2e7327dd311207d7123003b69d946212e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking vtparse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking ryu v1.0.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nom v5.1.1
[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" "6eaec257aa985c1b3e44aeb16446ad2e7327dd311207d7123003b69d946212e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaec257aa985c1b3e44aeb16446ad2e7327dd311207d7123003b69d946212e7", kill_on_drop: false }`
[INFO] [stdout] 6eaec257aa985c1b3e44aeb16446ad2e7327dd311207d7123003b69d946212e7