[INFO] fetching crate unseemly 0.0.0...
[INFO] documenting unseemly-0.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate unseemly 0.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate unseemly 0.0.0 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 unseemly 0.0.0
[INFO] finished tweaking crates.io crate unseemly 0.0.0
[INFO] tweaked toml for crates.io crate unseemly 0.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate unseemly 0.0.0 already has a lockfile, it will not be regenerated
[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 addr2line v0.10.0
[INFO] [stderr]   Downloaded intervaltree v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ca942c0927e459f3706a7db72bf4506893d7bdd14e5ab8f7bb23a1b16cb5a895
[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" "ca942c0927e459f3706a7db72bf4506893d7bdd14e5ab8f7bb23a1b16cb5a895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca942c0927e459f3706a7db72bf4506893d7bdd14e5ab8f7bb23a1b16cb5a895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca942c0927e459f3706a7db72bf4506893d7bdd14e5ab8f7bb23a1b16cb5a895", kill_on_drop: false }`
[INFO] [stdout] ca942c0927e459f3706a7db72bf4506893d7bdd14e5ab8f7bb23a1b16cb5a895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b46f41767ccc88d0a140dd5764978b6076b837e298ed30fa6983ac370916c8ab
[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" "b46f41767ccc88d0a140dd5764978b6076b837e298ed30fa6983ac370916c8ab", kill_on_drop: false }`
[INFO] [stderr]     Checking tap v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking gimli v0.19.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking findshlibs v0.5.0
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking intervaltree v0.2.4
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking scroll v0.9.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking addr2line v0.10.0
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking color-backtrace v0.3.0
[INFO] [stderr]  Documenting unseemly v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/ast.rs:54:81
[INFO] [stdout]    |
[INFO] [stdout] 54 |         extract!((v) crate::runtime::eval::Value::AbstractSyntax = (ref ast) => (ast.clone()))
[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 braces around block return value
[INFO] [stdout]   --> src/runtime/core_values.rs:65:37
[INFO] [stdout]    |
[INFO] [stdout] 65 |               ( Int(a), Int(b) ) => { val!(b a == b)} ),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/runtime/core_values.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |               ( Int(a) ) => { val!(b   a == BigInt::from(0))}),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/runtime/core_values.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |              ( Int(a), Int(b) ) => { Int( a * b ) }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/runtime/core_values.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 |              ( Int(a), Int(b) ) => { Int( a - b ) }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/runtime/core_values.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |              ( Int(a), Int(b) ) => { Int( a + b ) }),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.42s
[INFO] running `Command { std: "docker" "inspect" "b46f41767ccc88d0a140dd5764978b6076b837e298ed30fa6983ac370916c8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46f41767ccc88d0a140dd5764978b6076b837e298ed30fa6983ac370916c8ab", kill_on_drop: false }`
[INFO] [stdout] b46f41767ccc88d0a140dd5764978b6076b837e298ed30fa6983ac370916c8ab