[INFO] cloning repository https://github.com/jkuczm/tree_cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkuczm/tree_cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkuczm%2Ftree_cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkuczm%2Ftree_cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9927b0a0a8c4928625afa1d6f12175975563d80c
[INFO] documenting jkuczm/tree_cache against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkuczm%2Ftree_cache" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkuczm/tree_cache 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 git repo https://github.com/jkuczm/tree_cache
[INFO] finished tweaking git repo https://github.com/jkuczm/tree_cache
[INFO] tweaked toml for git repo https://github.com/jkuczm/tree_cache written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/jkuczm/tree_cache 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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 26288bf56d81040a35662c5a431255d8755bae488972211b62b4132c1d55c071
[INFO] running `Command { std: "docker" "start" "-a" "26288bf56d81040a35662c5a431255d8755bae488972211b62b4132c1d55c071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26288bf56d81040a35662c5a431255d8755bae488972211b62b4132c1d55c071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26288bf56d81040a35662c5a431255d8755bae488972211b62b4132c1d55c071", kill_on_drop: false }`
[INFO] [stdout] 26288bf56d81040a35662c5a431255d8755bae488972211b62b4132c1d55c071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 5d2f72636b62dbe29a15f77a25763733d13c144c5db894563ee573a34ec6ca52
[INFO] running `Command { std: "docker" "start" "-a" "5d2f72636b62dbe29a15f77a25763733d13c144c5db894563ee573a34ec6ca52", 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]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling bincode v1.1.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]  Documenting tree_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 229 | |                 self.checked_add($t::from(n))
[INFO] [stdout] 230 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 311 |   construct_large_uint!(U192, 3);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:232:4
[INFO] [stdout]     |
[INFO] [stdout] 232 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 233 | |                 std::mem::replace(self, Self::one())
[INFO] [stdout] 234 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 311 |   construct_large_uint!(U192, 3);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 237 | |                 std::mem::replace(self, Self::zero())
[INFO] [stdout] 238 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 311 |   construct_large_uint!(U192, 3);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 |             fn add_one(&self) -> Self { Add::add(*self, 1) }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 311 | construct_large_uint!(U192, 3);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 |             fn sub_one(&self) -> Self { Sub::sub(*self, 1) }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 311 | construct_large_uint!(U192, 3);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 229 | |                 self.checked_add($t::from(n))
[INFO] [stdout] 230 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 312 |   construct_large_uint!(U256, 4);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:232:4
[INFO] [stdout]     |
[INFO] [stdout] 232 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 233 | |                 std::mem::replace(self, Self::one())
[INFO] [stdout] 234 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 312 |   construct_large_uint!(U256, 4);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 237 | |                 std::mem::replace(self, Self::zero())
[INFO] [stdout] 238 | |             }
[INFO] [stdout]     | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 312 |   construct_large_uint!(U256, 4);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 |             fn add_one(&self) -> Self { Add::add(*self, 1) }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 312 | construct_large_uint!(U256, 4);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> src/uint.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 |             fn sub_one(&self) -> Self { Sub::sub(*self, 1) }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 312 | construct_large_uint!(U256, 4);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `construct_large_uint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 88 |   construct_cache_index!(CacheIndex16, U4, (), u16, 0);
[INFO] [stdout]    |   ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 88 |   construct_cache_index!(CacheIndex16, U4, (), u16, 0);
[INFO] [stdout]    |   ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 88 |   construct_cache_index!(CacheIndex16, U4, (), u16, 0);
[INFO] [stdout]    |   ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 88 |   construct_cache_index!(CacheIndex16, U4, (), u16, 0);
[INFO] [stdout]    |   ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 88 |   construct_cache_index!(CacheIndex16, U4, (), u16, 0);
[INFO] [stdout]    |   ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 89 |   construct_cache_index!(CacheIndex32, U5, U4, u32, u16::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 89 |   construct_cache_index!(CacheIndex32, U5, U4, u32, u16::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 89 |   construct_cache_index!(CacheIndex32, U5, U4, u32, u16::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 89 |   construct_cache_index!(CacheIndex32, U5, U4, u32, u16::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 89 |   construct_cache_index!(CacheIndex32, U5, U4, u32, u16::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 90 |   construct_cache_index!(CacheIndex64, U6, U5, u64, u32::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 90 |   construct_cache_index!(CacheIndex64, U6, U5, u64, u32::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 90 |   construct_cache_index!(CacheIndex64, U6, U5, u64, u32::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 90 |   construct_cache_index!(CacheIndex64, U6, U5, u64, u32::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 90 |   construct_cache_index!(CacheIndex64, U6, U5, u64, u32::NUMBER_OF_BITS);
[INFO] [stdout]    |   ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 91 |   construct_cache_index!(CacheIndex128, U7, U6, u128, u64::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 91 |   construct_cache_index!(CacheIndex128, U7, U6, u128, u64::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 91 |   construct_cache_index!(CacheIndex128, U7, U6, u128, u64::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 91 |   construct_cache_index!(CacheIndex128, U7, U6, u128, u64::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 91 |   construct_cache_index!(CacheIndex128, U7, U6, u128, u64::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 92 |   construct_cache_index!(CacheIndex192, U7Half, U7, U192, u128::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 92 |   construct_cache_index!(CacheIndex192, U7Half, U7, U192, u128::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 92 |   construct_cache_index!(CacheIndex192, U7Half, U7, U192, u128::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 92 |   construct_cache_index!(CacheIndex192, U7Half, U7, U192, u128::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 92 |   construct_cache_index!(CacheIndex192, U7Half, U7, U192, u128::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | /             fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 44 | |                 self.0.add_usize(n).map($i)
[INFO] [stdout] 45 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 93 |   construct_cache_index!(CacheIndex256, u8, U7Half, U256, U192::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | /             fn replace_one(&mut self) -> Self {
[INFO] [stdout] 48 | |                 std::mem::replace(self, $i(1))
[INFO] [stdout] 49 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 93 |   construct_cache_index!(CacheIndex256, u8, U7Half, U256, U192::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 52 | |                 std::mem::replace(self, $i(0))
[INFO] [stdout] 53 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 93 |   construct_cache_index!(CacheIndex256, u8, U7Half, U256, U192::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             fn add_one(&self) -> Self {
[INFO] [stdout] 56 | |                 $i(self.0.add_one())
[INFO] [stdout] 57 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 93 |   construct_cache_index!(CacheIndex256, u8, U7Half, U256, U192::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             fn sub_one(&self) -> Self {
[INFO] [stdout] 60 | |                 $i(self.0.sub_one())
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ not a member of trait `Step`
[INFO] [stdout] ...
[INFO] [stdout] 93 |   construct_cache_index!(CacheIndex256, u8, U7Half, U256, U192::NUMBER_OF_BITS);
[INFO] [stdout]    |   ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `construct_cache_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     vec_resize_default, step_trait, associated_type_defaults, result_map_or_else,
[INFO] [stdout] 3 | |     proc_macro_hygiene
[INFO] [stdout] 4 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 42 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tree_cache`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tree_cache src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern array_macro=/opt/rustwide/target/debug/deps/libarray_macro-fcd24a33d9b5af1a.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-e109325997ac700d.rmeta --extern clap_verbosity_flag=/opt/rustwide/target/debug/deps/libclap_verbosity_flag-a9af6426b5133cc3.rmeta --extern exitfailure=/opt/rustwide/target/debug/deps/libexitfailure-4fbb290bfb5a2b39.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b52d93b6a5875b2a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-6e6d6bfbf7297ab1.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-8cc1c4c232e33064.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6f184f524d36922e.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-48080aedff335af9.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-2e47e6d3e67d0f99.rmeta --extern uint=/opt/rustwide/target/debug/deps/libuint-6c03478f183ea23b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5d2f72636b62dbe29a15f77a25763733d13c144c5db894563ee573a34ec6ca52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2f72636b62dbe29a15f77a25763733d13c144c5db894563ee573a34ec6ca52", kill_on_drop: false }`
[INFO] [stdout] 5d2f72636b62dbe29a15f77a25763733d13c144c5db894563ee573a34ec6ca52
