[INFO] fetching crate nats 0.8.0...
[INFO] documenting nats-0.8.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate nats 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nats 0.8.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nats 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nats 0.8.0
[INFO] tweaked toml for crates.io crate nats 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nats 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f7d3e3030dbd5fb9f843aaf9f4d3e2dd905d05aec2166ca3d4286ad47c8fea6
[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" "1f7d3e3030dbd5fb9f843aaf9f4d3e2dd905d05aec2166ca3d4286ad47c8fea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f7d3e3030dbd5fb9f843aaf9f4d3e2dd905d05aec2166ca3d4286ad47c8fea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7d3e3030dbd5fb9f843aaf9f4d3e2dd905d05aec2166ca3d4286ad47c8fea6", kill_on_drop: false }`
[INFO] [stdout] 1f7d3e3030dbd5fb9f843aaf9f4d3e2dd905d05aec2166ca3d4286ad47c8fea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "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] 49df63dc19599fd5f4df1482086438d98b03722b5d97207de2c7778e2f9130f1
[INFO] running `Command { std: "docker" "start" "-a" "49df63dc19599fd5f4df1482086438d98b03722b5d97207de2c7778e2f9130f1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[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 libc v0.2.76
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking base64-url v1.4.6
[INFO] [stderr]     Checking async-dup v1.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking futures-lite v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking polling v1.0.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-executor v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking async-io v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking async-net v1.2.0
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking signatory v0.18.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]     Checking async-tls v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[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]  Documenting nats v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.43s
[INFO] running `Command { std: "docker" "inspect" "49df63dc19599fd5f4df1482086438d98b03722b5d97207de2c7778e2f9130f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49df63dc19599fd5f4df1482086438d98b03722b5d97207de2c7778e2f9130f1", kill_on_drop: false }`
[INFO] [stdout] 49df63dc19599fd5f4df1482086438d98b03722b5d97207de2c7778e2f9130f1
