[INFO] fetching crate bex 0.1.5...
[INFO] documenting bex-0.1.5 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate bex 0.1.5 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate bex 0.1.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bex 0.1.5
[INFO] finished tweaking crates.io crate bex 0.1.5
[INFO] tweaked toml for crates.io crate bex 0.1.5 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate bex 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff3feb5fe73cfb89b812828308f6a2ea3321ca09bbd2df51bae696db5ed8f05f
[INFO] running `Command { std: "docker" "start" "-a" "ff3feb5fe73cfb89b812828308f6a2ea3321ca09bbd2df51bae696db5ed8f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3feb5fe73cfb89b812828308f6a2ea3321ca09bbd2df51bae696db5ed8f05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3feb5fe73cfb89b812828308f6a2ea3321ca09bbd2df51bae696db5ed8f05f", kill_on_drop: false }`
[INFO] [stdout] ff3feb5fe73cfb89b812828308f6a2ea3321ca09bbd2df51bae696db5ed8f05f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c98de2694281da8c6a54003e70fcc598ad94cbdcff452a8fc7983bf2c5d3c275
[INFO] running `Command { std: "docker" "start" "-a" "c98de2694281da8c6a54003e70fcc598ad94cbdcff452a8fc7983bf2c5d3c275", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking bex v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bex v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0`
[INFO] [stdout]   --> src/swap.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 | /// Dummy value to stick into vhls[0]
[INFO] [stdout]    |                                    ^ no item named `0` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::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 `ix`
[INFO] [stdout]    --> src/swap.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |   v -> [ix]    (so we can quickly locate all nodes associated with a variable, and change them)
[INFO] [stdout]     |         ^^ no item named `ix` in scope
[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`
[INFO] [stdout]    --> src/swap.rs:550:58
[INFO] [stdout]     |
[INFO] [stdout] 550 |   /// the groups are given in bottom-up order (so groups[0] is on bottom), and should
[INFO] [stdout]     |                                                          ^ no item named `0` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/bdd.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 |   /// http://www.cs.cmu.edu/~emc/15817-f08/bryant-bdd-1991.pdf
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.cs.cmu.edu/~emc/15817-f08/bryant-bdd-1991.pdf>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_var`
[INFO] [stdout]   --> src/swap.rs:79:6
[INFO] [stdout]    |
[INFO] [stdout] 79 |   fn is_var(&self)->bool { self.v.is_var() && self.hi == XID_I && self.lo == XID_O }}
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]    --> src/swap.rs:397:6
[INFO] [stdout]     |
[INFO] [stdout] 397 |   fn swap(&mut self, vu:VID) {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `XSDebug`
[INFO] [stdout]     --> src/swap.rs:1052:8
[INFO] [stdout]      |
[INFO] [stdout] 1052 | struct XSDebug {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> src/swap.rs:1059:10
[INFO] [stdout]      |
[INFO] [stdout] 1059 |   pub fn new(vars:&str)->Self {
[INFO] [stdout]      |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `var`
[INFO] [stdout]     --> src/swap.rs:1065:6
[INFO] [stdout]      |
[INFO] [stdout] 1065 |   fn var(&mut self, i:usize, c:char) {
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vids`
[INFO] [stdout]     --> src/swap.rs:1068:6
[INFO] [stdout]      |
[INFO] [stdout] 1068 |   fn vids(&self)->String { self.xs.vids.iter().map(|v| *self.vc.get(v).unwrap()).collect() }
[INFO] [stdout]      |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name_var`
[INFO] [stdout]     --> src/swap.rs:1069:6
[INFO] [stdout]      |
[INFO] [stdout] 1069 |   fn name_var(&mut self, v:VID, c:char) { self.vc.insert(v, c); self.cv.insert(c, v); }
[INFO] [stdout]      |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]     --> src/swap.rs:1070:6
[INFO] [stdout]      |
[INFO] [stdout] 1070 |   fn pop(&mut self)->XID { self.ds.pop().expect("stack underflow") }
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xid`
[INFO] [stdout]     --> src/swap.rs:1071:6
[INFO] [stdout]      |
[INFO] [stdout] 1071 |   fn xid(&mut self, s:&str)->XID { self.run(s); self.pop() }
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vid`
[INFO] [stdout]     --> src/swap.rs:1072:6
[INFO] [stdout]      |
[INFO] [stdout] 1072 |   fn vid(&self, c:char)->VID { *self.cv.get(&c).unwrap() }
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]     --> src/swap.rs:1073:6
[INFO] [stdout]      |
[INFO] [stdout] 1073 |   fn run(&mut self, s:&str)->String {
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ite`
[INFO] [stdout]     --> src/swap.rs:1095:6
[INFO] [stdout]      |
[INFO] [stdout] 1095 |   fn ite(&mut self, vx:XID, hi:XID, lo:XID)->XID {
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fmt`
[INFO] [stdout]     --> src/swap.rs:1101:6
[INFO] [stdout]      |
[INFO] [stdout] 1101 |   fn fmt(&self, x:XID)->String {
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "c98de2694281da8c6a54003e70fcc598ad94cbdcff452a8fc7983bf2c5d3c275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98de2694281da8c6a54003e70fcc598ad94cbdcff452a8fc7983bf2c5d3c275", kill_on_drop: false }`
[INFO] [stdout] c98de2694281da8c6a54003e70fcc598ad94cbdcff452a8fc7983bf2c5d3c275
