[INFO] fetching crate rs-collector 0.1.7...
[INFO] documenting rs-collector-0.1.7 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rs-collector 0.1.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rs-collector 0.1.7 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 rs-collector 0.1.7
[INFO] finished tweaking crates.io crate rs-collector 0.1.7
[INFO] tweaked toml for crates.io crate rs-collector 0.1.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fde02db89736e40aba51e87f422743b62deea636ab7bcc9c0595701e5912f4ed
[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" "fde02db89736e40aba51e87f422743b62deea636ab7bcc9c0595701e5912f4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde02db89736e40aba51e87f422743b62deea636ab7bcc9c0595701e5912f4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde02db89736e40aba51e87f422743b62deea636ab7bcc9c0595701e5912f4ed", kill_on_drop: false }`
[INFO] [stdout] fde02db89736e40aba51e87f422743b62deea636ab7bcc9c0595701e5912f4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1e82e3879fe5dedb682989f5b26cd4b42056bdec7f5efc71ce1f3939c7f69f96
[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" "1e82e3879fe5dedb682989f5b26cd4b42056bdec7f5efc71ce1f3939c7f69f96", 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] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking chan-signal v0.3.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking mysql_common v0.7.0
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking bson v0.10.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking mysql v13.1.0
[INFO] [stderr]     Checking bosun_emitter v1.2.0
[INFO] [stderr]  Documenting rs-collector v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.37s
[INFO] running `Command { std: "docker" "inspect" "1e82e3879fe5dedb682989f5b26cd4b42056bdec7f5efc71ce1f3939c7f69f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e82e3879fe5dedb682989f5b26cd4b42056bdec7f5efc71ce1f3939c7f69f96", kill_on_drop: false }`
[INFO] [stdout] 1e82e3879fe5dedb682989f5b26cd4b42056bdec7f5efc71ce1f3939c7f69f96