[INFO] fetching crate nats 0.7.3...
[INFO] documenting nats-0.7.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nats 0.7.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nats 0.7.3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nats 0.7.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nats 0.7.3
[INFO] tweaked toml for crates.io crate nats 0.7.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nats 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded async-tls v0.8.0
[INFO] [stderr]   Downloaded async-dup v1.2.1
[INFO] [stderr]   Downloaded async-channel v1.2.0
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded concurrent-queue v1.1.2
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded smol v0.3.3
[INFO] [stderr]   Downloaded event-listener v2.2.1
[INFO] [stderr]   Downloaded async-io v0.1.6
[INFO] [stderr]   Downloaded base64-url v1.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d23e92ed3b118752499a46d6c3ba0b26720c5bf974c7fa272c990028025e8b
[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" "a7d23e92ed3b118752499a46d6c3ba0b26720c5bf974c7fa272c990028025e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d23e92ed3b118752499a46d6c3ba0b26720c5bf974c7fa272c990028025e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d23e92ed3b118752499a46d6c3ba0b26720c5bf974c7fa272c990028025e8b", kill_on_drop: false }`
[INFO] [stdout] a7d23e92ed3b118752499a46d6c3ba0b26720c5bf974c7fa272c990028025e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 44f97bb23fbed8105748187cc8fdfd45876ce3656976e1c23bbb04f3effd293c
[INFO] running `Command { std: "docker" "start" "-a" "44f97bb23fbed8105748187cc8fdfd45876ce3656976e1c23bbb04f3effd293c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking concurrent-queue v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking proc-macro-nested v0.1.6
[INFO] [stderr]     Checking base64-url v1.4.6
[INFO] [stderr]     Checking async-channel v1.2.0
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking async-dup v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blocking v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-io v0.1.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking smol v0.3.3
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking signatory v0.18.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking signatory-dalek v0.18.1
[INFO] [stderr]     Checking nkeys v0.0.9
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]  Documenting nats v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "44f97bb23fbed8105748187cc8fdfd45876ce3656976e1c23bbb04f3effd293c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f97bb23fbed8105748187cc8fdfd45876ce3656976e1c23bbb04f3effd293c", kill_on_drop: false }`
[INFO] [stdout] 44f97bb23fbed8105748187cc8fdfd45876ce3656976e1c23bbb04f3effd293c