[INFO] updating cached repository https://github.com/hgfkeep/rust-std-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9631df3643300e8b054780916ed5e2565c918e3d
[INFO] documenting hgfkeep/rust-std-network against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgfkeep%2Frust-std-network" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hgfkeep/rust-std-network on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hgfkeep/rust-std-network
[INFO] removed workspace from git repo https://github.com/hgfkeep/rust-std-network
[INFO] finished tweaking git repo https://github.com/hgfkeep/rust-std-network
[INFO] tweaked toml for git repo https://github.com/hgfkeep/rust-std-network written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hgfkeep/rust-std-network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a4268f56e80ae7b8beb5dba8c6582d215a42b0c9532feaa962690be7b0f3150
[INFO] running `Command { std: "docker" "start" "-a" "9a4268f56e80ae7b8beb5dba8c6582d215a42b0c9532feaa962690be7b0f3150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a4268f56e80ae7b8beb5dba8c6582d215a42b0c9532feaa962690be7b0f3150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4268f56e80ae7b8beb5dba8c6582d215a42b0c9532feaa962690be7b0f3150", kill_on_drop: false }`
[INFO] [stdout] 9a4268f56e80ae7b8beb5dba8c6582d215a42b0c9532feaa962690be7b0f3150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd657ad28ead5a4687c51203922ed7490d405b7df269f30e932e56a0138fba21
[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" "bd657ad28ead5a4687c51203922ed7490d405b7df269f30e932e56a0138fba21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_test v1.0.106
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]  Documenting network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `network`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name serde_net_io serde_net_io/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-73c0990f5ac60373.rmeta --extern dns_lookup=/opt/rustwide/target/debug/deps/libdns_lookup-8719775263b241f5.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a28213da6bf7978a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f55fc2aa0da11130.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-d3de82d9ea3b0829.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-50ddf5b8630133a1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1bd982ee291cf837.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e462feb6cb9a5c7c.rmeta --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-5321c08f3ef0bf0a.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-4540013eb87de960.rmeta --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" "bd657ad28ead5a4687c51203922ed7490d405b7df269f30e932e56a0138fba21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd657ad28ead5a4687c51203922ed7490d405b7df269f30e932e56a0138fba21", kill_on_drop: false }`
[INFO] [stdout] bd657ad28ead5a4687c51203922ed7490d405b7df269f30e932e56a0138fba21