[INFO] fetching crate superslice 1.0.0...
[INFO] documenting superslice-1.0.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate superslice 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate superslice 1.0.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate superslice 1.0.0
[INFO] finished tweaking crates.io crate superslice 1.0.0
[INFO] tweaked toml for crates.io crate superslice 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2020-10-09" "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] 4232fbbd592f9dcfc90ff2a57f9ba823f20382327dcd7acfc16d8db4ab13bfd6
[INFO] running `Command { std: "docker" "start" "-a" "4232fbbd592f9dcfc90ff2a57f9ba823f20382327dcd7acfc16d8db4ab13bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4232fbbd592f9dcfc90ff2a57f9ba823f20382327dcd7acfc16d8db4ab13bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4232fbbd592f9dcfc90ff2a57f9ba823f20382327dcd7acfc16d8db4ab13bfd6", kill_on_drop: false }`
[INFO] [stdout] 4232fbbd592f9dcfc90ff2a57f9ba823f20382327dcd7acfc16d8db4ab13bfd6
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5efdf0d38be59f5096bc54ce77e68ebaee640a32039dc75bdbcbc6b78d13a3b2
[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" "5efdf0d38be59f5096bc54ce77e68ebaee640a32039dc75bdbcbc6b78d13a3b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting superslice v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         (base.0 + (cmp.0 == Less) as usize..base.1 + (cmp.1 != Greater) as usize)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/lib.rs:272:20
[INFO] [stdout]     |
[INFO] [stdout] 272 |     ///   new_self[i] == old_self[permutation[i]]
[INFO] [stdout]     |                    ^ the module `superslice` contains no item named `i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/lib.rs:272:47
[INFO] [stdout]     |
[INFO] [stdout] 272 |     ///   new_self[i] == old_self[permutation[i]]
[INFO] [stdout]     |                                               ^ the module `superslice` contains no item named `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/lib.rs:297:32
[INFO] [stdout]     |
[INFO] [stdout] 297 |     ///   new_self[permutation[i]] == old_self[i]
[INFO] [stdout]     |                                ^ the module `superslice` contains no item named `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/lib.rs:297:48
[INFO] [stdout]     |
[INFO] [stdout] 297 |     ///   new_self[permutation[i]] == old_self[i]
[INFO] [stdout]     |                                                ^ the module `superslice` contains no item named `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "5efdf0d38be59f5096bc54ce77e68ebaee640a32039dc75bdbcbc6b78d13a3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efdf0d38be59f5096bc54ce77e68ebaee640a32039dc75bdbcbc6b78d13a3b2", kill_on_drop: false }`
[INFO] [stdout] 5efdf0d38be59f5096bc54ce77e68ebaee640a32039dc75bdbcbc6b78d13a3b2
