[INFO] fetching crate tmcl 0.1.0-beta0...
[INFO] documenting tmcl-0.1.0-beta0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tmcl 0.1.0-beta0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tmcl 0.1.0-beta0 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 tmcl 0.1.0-beta0
[INFO] finished tweaking crates.io crate tmcl 0.1.0-beta0
[INFO] tweaked toml for crates.io crate tmcl 0.1.0-beta0 written to /workspace/builds/worker-9/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]  Downloading crates ...
[INFO] [stderr]   Downloaded interior_mut v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a2934735e2e9ef9a59e511f7d8e5eef154f1c1886350536459ef79cdabeb9086
[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" "a2934735e2e9ef9a59e511f7d8e5eef154f1c1886350536459ef79cdabeb9086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2934735e2e9ef9a59e511f7d8e5eef154f1c1886350536459ef79cdabeb9086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2934735e2e9ef9a59e511f7d8e5eef154f1c1886350536459ef79cdabeb9086", kill_on_drop: false }`
[INFO] [stdout] a2934735e2e9ef9a59e511f7d8e5eef154f1c1886350536459ef79cdabeb9086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6adc9059d040c291b8e8c7c3d0c9d82ba2c9a93f5d5ce5f2dcc2bd21eaf1e1f8
[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" "6adc9059d040c291b8e8c7c3d0c9d82ba2c9a93f5d5ce5f2dcc2bd21eaf1e1f8", kill_on_drop: false }`
[INFO] [stderr]     Checking interior_mut v0.1.0
[INFO] [stderr]  Documenting tmcl v0.1.0-beta0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |         (array[0] as u32 | ((array[1] as u32) << 8) |  ((array[2] as u32) << 16) |((array[3] as u32) << 24))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 5.12s
[INFO] running `Command { std: "docker" "inspect" "6adc9059d040c291b8e8c7c3d0c9d82ba2c9a93f5d5ce5f2dcc2bd21eaf1e1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adc9059d040c291b8e8c7c3d0c9d82ba2c9a93f5d5ce5f2dcc2bd21eaf1e1f8", kill_on_drop: false }`
[INFO] [stdout] 6adc9059d040c291b8e8c7c3d0c9d82ba2c9a93f5d5ce5f2dcc2bd21eaf1e1f8