[INFO] fetching crate net_sync_tokio 0.2.1...
[INFO] documenting net_sync_tokio-0.2.1 against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] extracting crate net_sync_tokio 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate net_sync_tokio 0.2.1 on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate net_sync_tokio 0.2.1
[INFO] finished tweaking crates.io crate net_sync_tokio 0.2.1
[INFO] tweaked toml for crates.io crate net_sync_tokio 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode2 v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a0aa6183c89e5ab27b52a3285aabe090ed6fe18cfcc7cf4f419d809a025305e
[INFO] running `Command { std: "docker" "start" "-a" "0a0aa6183c89e5ab27b52a3285aabe090ed6fe18cfcc7cf4f419d809a025305e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0aa6183c89e5ab27b52a3285aabe090ed6fe18cfcc7cf4f419d809a025305e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0aa6183c89e5ab27b52a3285aabe090ed6fe18cfcc7cf4f419d809a025305e", kill_on_drop: false }`
[INFO] [stdout] 0a0aa6183c89e5ab27b52a3285aabe090ed6fe18cfcc7cf4f419d809a025305e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c959e16f81c1cfb2dc8a15f461095189bb0764e5ee46de283de48aa5ac26c58
[INFO] running `Command { std: "docker" "start" "-a" "2c959e16f81c1cfb2dc8a15f461095189bb0764e5ee46de283de48aa5ac26c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking bincode2 v2.0.1
[INFO] [stderr]  Documenting net_sync_tokio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/net_sync_tokio/index.html
[INFO] running `Command { std: "docker" "inspect" "2c959e16f81c1cfb2dc8a15f461095189bb0764e5ee46de283de48aa5ac26c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c959e16f81c1cfb2dc8a15f461095189bb0764e5ee46de283de48aa5ac26c58", kill_on_drop: false }`
[INFO] [stdout] 2c959e16f81c1cfb2dc8a15f461095189bb0764e5ee46de283de48aa5ac26c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab523e718382fc444e36445dacca5c0d9ad13993379b8a10fe7ed7edbebf94a
[INFO] running `Command { std: "docker" "start" "-a" "8ab523e718382fc444e36445dacca5c0d9ad13993379b8a10fe7ed7edbebf94a", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]  Documenting net_sync_tokio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/net_sync_tokio/index.html
[INFO] running `Command { std: "docker" "inspect" "8ab523e718382fc444e36445dacca5c0d9ad13993379b8a10fe7ed7edbebf94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab523e718382fc444e36445dacca5c0d9ad13993379b8a10fe7ed7edbebf94a", kill_on_drop: false }`
[INFO] [stdout] 8ab523e718382fc444e36445dacca5c0d9ad13993379b8a10fe7ed7edbebf94a