[INFO] fetching crate sm-ext 0.3.0...
[INFO] documenting sm-ext-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate sm-ext 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sm-ext 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sm-ext 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sm-ext 0.3.0
[INFO] tweaked toml for crates.io crate sm-ext 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sm-ext 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1eb7c5b8d5ef1502401a745561a5af4bc0fab4b2937d7986869c06f0bae15f33
[INFO] running `Command { std: "docker" "start" "-a" "1eb7c5b8d5ef1502401a745561a5af4bc0fab4b2937d7986869c06f0bae15f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb7c5b8d5ef1502401a745561a5af4bc0fab4b2937d7986869c06f0bae15f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb7c5b8d5ef1502401a745561a5af4bc0fab4b2937d7986869c06f0bae15f33", kill_on_drop: false }`
[INFO] [stdout] 1eb7c5b8d5ef1502401a745561a5af4bc0fab4b2937d7986869c06f0bae15f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2085ebeec3a8e8a2c847794322418b34d5c354296db0909191780c5c6c09e75
[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" "a2085ebeec3a8e8a2c847794322418b34d5c354296db0909191780c5c6c09e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking c_str_macro v1.0.2
[INFO] [stderr]    Compiling sm-ext-derive v0.3.0
[INFO] [stderr]  Documenting sm-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:912:12
[INFO] [stdout]     |
[INFO] [stdout] 912 |     Cell = (1 << 1),
[INFO] [stdout]     |            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:914:13
[INFO] [stdout]     |
[INFO] [stdout] 914 |     Float = (2 << 1),
[INFO] [stdout]     |             ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:920:15
[INFO] [stdout]     |
[INFO] [stdout] 920 |     VarArgs = (5 << 1),
[INFO] [stdout]     |               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "a2085ebeec3a8e8a2c847794322418b34d5c354296db0909191780c5c6c09e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2085ebeec3a8e8a2c847794322418b34d5c354296db0909191780c5c6c09e75", kill_on_drop: false }`
[INFO] [stdout] a2085ebeec3a8e8a2c847794322418b34d5c354296db0909191780c5c6c09e75
