[INFO] fetching crate postgres 0.17.3...
[INFO] documenting postgres-0.17.3 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate postgres 0.17.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate postgres 0.17.3 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 postgres 0.17.3
[INFO] finished tweaking crates.io crate postgres 0.17.3
[INFO] tweaked toml for crates.io crate postgres 0.17.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 980f19b3098d5b550b17980b4a2785e86e499a70311d1ecfa155f4b93daa71be
[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" "980f19b3098d5b550b17980b4a2785e86e499a70311d1ecfa155f4b93daa71be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "980f19b3098d5b550b17980b4a2785e86e499a70311d1ecfa155f4b93daa71be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980f19b3098d5b550b17980b4a2785e86e499a70311d1ecfa155f4b93daa71be", kill_on_drop: false }`
[INFO] [stdout] 980f19b3098d5b550b17980b4a2785e86e499a70311d1ecfa155f4b93daa71be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e45b18db35effbe68751a7bc2bfe2ce2df9ca311823f411fc7fe19003b2afce4
[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" "e45b18db35effbe68751a7bc2bfe2ce2df9ca311823f411fc7fe19003b2afce4", 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 proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking postgres-protocol v0.5.1
[INFO] [stderr]     Checking postgres-types v0.1.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking pin-project v0.4.22
[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 tokio-postgres v0.5.4
[INFO] [stderr]  Documenting postgres v0.17.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/copy_out_reader.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 .block_on({ async { stream.next().await.transpose() } })
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.68s
[INFO] running `Command { std: "docker" "inspect" "e45b18db35effbe68751a7bc2bfe2ce2df9ca311823f411fc7fe19003b2afce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45b18db35effbe68751a7bc2bfe2ce2df9ca311823f411fc7fe19003b2afce4", kill_on_drop: false }`
[INFO] [stdout] e45b18db35effbe68751a7bc2bfe2ce2df9ca311823f411fc7fe19003b2afce4