[INFO] cloning repository https://github.com/PriyanshuDas/PermutationsSorting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PriyanshuDas/PermutationsSorting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPriyanshuDas%2FPermutationsSorting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPriyanshuDas%2FPermutationsSorting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccb01520cb8ec6c3b8252c0534e9002d7215da57
[INFO] documenting PriyanshuDas/PermutationsSorting against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPriyanshuDas%2FPermutationsSorting" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PriyanshuDas/PermutationsSorting 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 git repo https://github.com/PriyanshuDas/PermutationsSorting
[INFO] finished tweaking git repo https://github.com/PriyanshuDas/PermutationsSorting
[INFO] tweaked toml for git repo https://github.com/PriyanshuDas/PermutationsSorting written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/PriyanshuDas/PermutationsSorting 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[INFO] [stderr]   Downloaded lehmer v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2c2d4976f88dbf824804ad2954070ae7e8b176062eca8ede7b32bacabec30f21
[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" "2c2d4976f88dbf824804ad2954070ae7e8b176062eca8ede7b32bacabec30f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2d4976f88dbf824804ad2954070ae7e8b176062eca8ede7b32bacabec30f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2d4976f88dbf824804ad2954070ae7e8b176062eca8ede7b32bacabec30f21", kill_on_drop: false }`
[INFO] [stdout] 2c2d4976f88dbf824804ad2954070ae7e8b176062eca8ede7b32bacabec30f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 41ce78398085b6da1bb021e377a47698f718943a36609bc8cee288b5584f7d0f
[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" "41ce78398085b6da1bb021e377a47698f718943a36609bc8cee288b5584f7d0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lehmer v3.0.0
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]  Documenting PermutationsSortingByTranspositions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/permutation/adjacency_calculator.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |             mask = (mask | (1 << item_positions[lesser]) as u16)
[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 assigned value
[INFO] [stdout]    --> src/permutation/adjacency_calculator.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let greater_than_item_in_new_block_mask = (greater_than_item_in_block_mask << 1);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/permutation/adjacency_calculator.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             (original_position_range_to_left_mask & lower_than_item_mask as i16);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/permutation/adjacency_calculator.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             (new_position_to_left_mask & lower_than_item_mask as i16);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "41ce78398085b6da1bb021e377a47698f718943a36609bc8cee288b5584f7d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ce78398085b6da1bb021e377a47698f718943a36609bc8cee288b5584f7d0f", kill_on_drop: false }`
[INFO] [stdout] 41ce78398085b6da1bb021e377a47698f718943a36609bc8cee288b5584f7d0f