[INFO] fetching crate etcdv3client 0.2.1...
[INFO] documenting etcdv3client-0.2.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate etcdv3client 0.2.1 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate etcdv3client 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etcdv3client 0.2.1
[INFO] finished tweaking crates.io crate etcdv3client 0.2.1
[INFO] tweaked toml for crates.io crate etcdv3client 0.2.1 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate crates.io crate etcdv3client 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.5.0
[INFO] [stderr]   Downloaded tower v0.4.4
[INFO] [stderr]   Downloaded rand v0.8.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded tokio v1.1.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded tokio-util v0.6.2
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e6720c5458928b31c25745d72a9ff80b5a2957b3b971422e4a0a927c8726689
[INFO] running `Command { std: "docker" "start" "-a" "3e6720c5458928b31c25745d72a9ff80b5a2957b3b971422e4a0a927c8726689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e6720c5458928b31c25745d72a9ff80b5a2957b3b971422e4a0a927c8726689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6720c5458928b31c25745d72a9ff80b5a2957b3b971422e4a0a927c8726689", kill_on_drop: false }`
[INFO] [stdout] 3e6720c5458928b31c25745d72a9ff80b5a2957b3b971422e4a0a927c8726689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f416c7ae644c2af87ac5dc5a2528c4e616c8501712c078dce56d5a7e75216b9
[INFO] running `Command { std: "docker" "start" "-a" "3f416c7ae644c2af87ac5dc5a2528c4e616c8501712c078dce56d5a7e75216b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling etcdv3client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
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[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking tower v0.4.4
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking tonic v0.4.0
[INFO] [stderr]  Documenting etcdv3client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.87s
[INFO] running `Command { std: "docker" "inspect" "3f416c7ae644c2af87ac5dc5a2528c4e616c8501712c078dce56d5a7e75216b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f416c7ae644c2af87ac5dc5a2528c4e616c8501712c078dce56d5a7e75216b9", kill_on_drop: false }`
[INFO] [stdout] 3f416c7ae644c2af87ac5dc5a2528c4e616c8501712c078dce56d5a7e75216b9
