[INFO] fetching crate coerce-rt 0.2.2...
[INFO] documenting coerce-rt-0.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate coerce-rt 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate coerce-rt 0.2.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coerce-rt 0.2.2
[INFO] finished tweaking crates.io crate coerce-rt 0.2.2
[INFO] tweaked toml for crates.io crate coerce-rt 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-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" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beadc70826240b78bd157712ad33ecb24b42fd01a85a8ff429c41cc0ea8fcd52
[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" "beadc70826240b78bd157712ad33ecb24b42fd01a85a8ff429c41cc0ea8fcd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beadc70826240b78bd157712ad33ecb24b42fd01a85a8ff429c41cc0ea8fcd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beadc70826240b78bd157712ad33ecb24b42fd01a85a8ff429c41cc0ea8fcd52", kill_on_drop: false }`
[INFO] [stdout] beadc70826240b78bd157712ad33ecb24b42fd01a85a8ff429c41cc0ea8fcd52
[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" "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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d03ba4b07bceae080a0a2e769bebbd5fed618f9d24dba2f83db506c7a4eb8b77
[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" "d03ba4b07bceae080a0a2e769bebbd5fed618f9d24dba2f83db506c7a4eb8b77", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]  Documenting coerce-rt v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/actor/context.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[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 6.23s
[INFO] running `Command { std: "docker" "inspect" "d03ba4b07bceae080a0a2e769bebbd5fed618f9d24dba2f83db506c7a4eb8b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03ba4b07bceae080a0a2e769bebbd5fed618f9d24dba2f83db506c7a4eb8b77", kill_on_drop: false }`
[INFO] [stdout] d03ba4b07bceae080a0a2e769bebbd5fed618f9d24dba2f83db506c7a4eb8b77