[INFO] fetching crate merkle_trees 0.1.0...
[INFO] documenting merkle_trees-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate merkle_trees 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate merkle_trees 0.1.0 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 merkle_trees 0.1.0
[INFO] finished tweaking crates.io crate merkle_trees 0.1.0
[INFO] tweaked toml for crates.io crate merkle_trees 0.1.0 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimc-rs v0.0.2
[INFO] [stderr]   Downloaded sled v0.29.2
[INFO] [stderr]   Downloaded unqlite v1.5.0
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5743c3951051b360ef8052c9e32f4559b40380381ca39837b4ec2f19dd7d9c8
[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" "f5743c3951051b360ef8052c9e32f4559b40380381ca39837b4ec2f19dd7d9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5743c3951051b360ef8052c9e32f4559b40380381ca39837b4ec2f19dd7d9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5743c3951051b360ef8052c9e32f4559b40380381ca39837b4ec2f19dd7d9c8", kill_on_drop: false }`
[INFO] [stdout] f5743c3951051b360ef8052c9e32f4559b40380381ca39837b4ec2f19dd7d9c8
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44999942c26bc996d1cacad44128bf3c6b4e368bc0d5fce232c182d047b56d80
[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" "44999942c26bc996d1cacad44128bf3c6b4e368bc0d5fce232c182d047b56d80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]  Documenting merkle_trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:284:28
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     idx += (p - 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 assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:834:29
[INFO] [stdout]     |
[INFO] [stdout] 834 |         let last_leaf_idx = (size - 1);
[INFO] [stdout]     |                             ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `8`
[INFO] [stdout]   --> src/compact_merkle_tree.rs:64:106
[INFO] [stdout]    |
[INFO] [stdout] 64 | /// Break a number on decreasing powers of 2, eg 4 -> 4, 5 -> [4, 1], 6 -> [4, 2], 7 -> [4, 2, 1], 8 -> [8]
[INFO] [stdout]    |                                                                                                          ^ the module `compact_merkle_tree` contains no item named `8`
[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 `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:684:58
[INFO] [stdout]     |
[INFO] [stdout] 684 |     /// Given an ordered list of n inputs to the tree, D[n] = {d(0), ..., d(n-1)}, the Merkle audit
[INFO] [stdout]     |                                                          ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:685:24
[INFO] [stdout]     |
[INFO] [stdout] 685 |     /// path PATH(m, D[n]) for the (m+1)th input d(m), 0 <= m < n, is defined as follows:
[INFO] [stdout]     |                        ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:686:37
[INFO] [stdout]     |
[INFO] [stdout] 686 |     /// For n = 1, path is empty. D[1] = {d(0)}, PATH(0, {d(0)}) = {}
[INFO] [stdout]     |                                     ^ the module `compact_merkle_tree` contains no item named `1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:688:19
[INFO] [stdout]     |
[INFO] [stdout] 688 |     /// PATH(m, D[n]) = PATH(m, D[0:k]) : MTH(D[k:n]) for m < k; and
[INFO] [stdout]     |                   ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0:k`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:688:35
[INFO] [stdout]     |
[INFO] [stdout] 688 |     /// PATH(m, D[n]) = PATH(m, D[0:k]) : MTH(D[k:n]) for m < k; and
[INFO] [stdout]     |                                   ^^^ the module `compact_merkle_tree` contains no item named `0:k`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `k:n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:688:49
[INFO] [stdout]     |
[INFO] [stdout] 688 |     /// PATH(m, D[n]) = PATH(m, D[0:k]) : MTH(D[k:n]) for m < k; and
[INFO] [stdout]     |                                                 ^^^ the module `compact_merkle_tree` contains no item named `k:n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:689:19
[INFO] [stdout]     |
[INFO] [stdout] 689 |     /// PATH(m, D[n]) = PATH(m - k, D[k:n]) : MTH(D[0:k]) for m >= k,
[INFO] [stdout]     |                   ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `k:n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:689:39
[INFO] [stdout]     |
[INFO] [stdout] 689 |     /// PATH(m, D[n]) = PATH(m - k, D[k:n]) : MTH(D[0:k]) for m >= k,
[INFO] [stdout]     |                                       ^^^ the module `compact_merkle_tree` contains no item named `k:n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0:k`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:689:53
[INFO] [stdout]     |
[INFO] [stdout] 689 |     /// PATH(m, D[n]) = PATH(m - k, D[k:n]) : MTH(D[0:k]) for m >= k,
[INFO] [stdout]     |                                                     ^^^ the module `compact_merkle_tree` contains no item named `0:k`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:724:15
[INFO] [stdout]     |
[INFO] [stdout] 724 |     /// MTH(D[n]), such that (a subset of) the same nodes can be used to verify MTH(D[0:m]).
[INFO] [stdout]     |               ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0:m`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:724:87
[INFO] [stdout]     |
[INFO] [stdout] 724 |     /// MTH(D[n]), such that (a subset of) the same nodes can be used to verify MTH(D[0:m]).
[INFO] [stdout]     |                                                                                       ^^^ the module `compact_merkle_tree` contains no item named `0:m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:725:20
[INFO] [stdout]     |
[INFO] [stdout] 725 |     /// PROOF(m, D[n]) = SUBPROOF(m, D[n], true), the boolean indicates whether the root at m is part of the old tree
[INFO] [stdout]     |                    ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:725:40
[INFO] [stdout]     |
[INFO] [stdout] 725 |     /// PROOF(m, D[n]) = SUBPROOF(m, D[n], true), the boolean indicates whether the root at m is part of the old tree
[INFO] [stdout]     |                                        ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `m`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:726:23
[INFO] [stdout]     |
[INFO] [stdout] 726 |     /// SUBPROOF(m, D[m], true) = {} if root of m was part of old tree
[INFO] [stdout]     |                       ^ the module `compact_merkle_tree` contains no item named `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `m`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:727:23
[INFO] [stdout]     |
[INFO] [stdout] 727 |     /// SUBPROOF(m, D[m], false) = {MTH(D[m])} if root of m was not part of old tree
[INFO] [stdout]     |                       ^ the module `compact_merkle_tree` contains no item named `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `m`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:727:43
[INFO] [stdout]     |
[INFO] [stdout] 727 |     /// SUBPROOF(m, D[m], false) = {MTH(D[m])} if root of m was not part of old tree
[INFO] [stdout]     |                                           ^ the module `compact_merkle_tree` contains no item named `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:729:23
[INFO] [stdout]     |
[INFO] [stdout] 729 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m, D[0:k], b) : MTH(D[k:n]) for m <= k
[INFO] [stdout]     |                       ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0:k`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:729:46
[INFO] [stdout]     |
[INFO] [stdout] 729 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m, D[0:k], b) : MTH(D[k:n]) for m <= k
[INFO] [stdout]     |                                              ^^^ the module `compact_merkle_tree` contains no item named `0:k`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `k:n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:729:63
[INFO] [stdout]     |
[INFO] [stdout] 729 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m, D[0:k], b) : MTH(D[k:n]) for m <= k
[INFO] [stdout]     |                                                               ^^^ the module `compact_merkle_tree` contains no item named `k:n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:730:23
[INFO] [stdout]     |
[INFO] [stdout] 730 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m - k, D[k:n], false) : MTH(D[0:k]) for m > k
[INFO] [stdout]     |                       ^ the module `compact_merkle_tree` contains no item named `n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `k:n`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:730:50
[INFO] [stdout]     |
[INFO] [stdout] 730 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m - k, D[k:n], false) : MTH(D[0:k]) for m > k
[INFO] [stdout]     |                                                  ^^^ the module `compact_merkle_tree` contains no item named `k:n`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `0:k`
[INFO] [stdout]    --> src/compact_merkle_tree.rs:730:71
[INFO] [stdout]     |
[INFO] [stdout] 730 |     /// SUBPROOF(m, D[n], b) = SUBPROOF(m - k, D[k:n], false) : MTH(D[0:k]) for m > k
[INFO] [stdout]     |                                                                       ^^^ the module `compact_merkle_tree` contains no item named `0:k`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "44999942c26bc996d1cacad44128bf3c6b4e368bc0d5fce232c182d047b56d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44999942c26bc996d1cacad44128bf3c6b4e368bc0d5fce232c182d047b56d80", kill_on_drop: false }`
[INFO] [stdout] 44999942c26bc996d1cacad44128bf3c6b4e368bc0d5fce232c182d047b56d80
