[INFO] crate natsclient 0.0.7 is already in cache
[INFO] documenting natsclient-0.0.7 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate natsclient 0.0.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate natsclient 0.0.7 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 crates.io crate natsclient 0.0.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate natsclient 0.0.7
[INFO] tweaked toml for crates.io crate natsclient 0.0.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate natsclient 0.0.7 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-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" "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] [stdout] 21687a7f95692f8b1458b0db862963e7bac78600435f064a0ebf771edd32739a
[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" "21687a7f95692f8b1458b0db862963e7bac78600435f064a0ebf771edd32739a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21687a7f95692f8b1458b0db862963e7bac78600435f064a0ebf771edd32739a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21687a7f95692f8b1458b0db862963e7bac78600435f064a0ebf771edd32739a", kill_on_drop: false }`
[INFO] [stdout] 21687a7f95692f8b1458b0db862963e7bac78600435f064a0ebf771edd32739a
[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" "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] d757eb5fbeb89fbbd54b7a40e5eb9a08cbd32195c632a25495b9cc47ce3dcad2
[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" "d757eb5fbeb89fbbd54b7a40e5eb9a08cbd32195c632a25495b9cc47ce3dcad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[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 v0.8.0
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking signatory v0.18.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking nuid v0.2.1
[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]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking nats-types v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]  Documenting natsclient v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "d757eb5fbeb89fbbd54b7a40e5eb9a08cbd32195c632a25495b9cc47ce3dcad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d757eb5fbeb89fbbd54b7a40e5eb9a08cbd32195c632a25495b9cc47ce3dcad2", kill_on_drop: false }`
[INFO] [stdout] d757eb5fbeb89fbbd54b7a40e5eb9a08cbd32195c632a25495b9cc47ce3dcad2