[INFO] cloning repository https://github.com/nrc/clyde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrc/clyde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fclyde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fclyde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43fcd18cbbe417f88baf736fce94f3d572ff43ea
[INFO] documenting nrc/clyde against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fclyde" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/clyde on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nrc/clyde
[INFO] finished tweaking git repo https://github.com/nrc/clyde
[INFO] tweaked toml for git repo https://github.com/nrc/clyde written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nrc/clyde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rls-analysis v0.18.1
[INFO] [stderr]   Downloaded rls-data v0.19.0
[INFO] [stderr]   Downloaded derive-new v0.5.7
[INFO] [stderr]   Downloaded json v0.11.13
[INFO] [stderr]   Downloaded rls-span v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3883e41cea3f79e40cb2eed6faa5efa343507391b21b6a1a8fb730c5a9e6952
[INFO] running `Command { std: "docker" "start" "-a" "c3883e41cea3f79e40cb2eed6faa5efa343507391b21b6a1a8fb730c5a9e6952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3883e41cea3f79e40cb2eed6faa5efa343507391b21b6a1a8fb730c5a9e6952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3883e41cea3f79e40cb2eed6faa5efa343507391b21b6a1a8fb730c5a9e6952", kill_on_drop: false }`
[INFO] [stdout] c3883e41cea3f79e40cb2eed6faa5efa343507391b21b6a1a8fb730c5a9e6952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 440e5d76676cca6df56197a0788eb7874b46dbb2c29490d7b2272ffd8b020918
[INFO] running `Command { std: "docker" "start" "-a" "440e5d76676cca6df56197a0788eb7874b46dbb2c29490d7b2272ffd8b020918", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derive-new v0.5.7
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 95 | |         self.0 = 1;
[INFO] [stdout] 96 | |         self.clone()
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 100 | |         self.0 = 0;
[INFO] [stdout] 101 | |         self.clone()
[INFO] [stdout] 102 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 105 | |         Self::new(self.0 + 1)
[INFO] [stdout] 106 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 109 | |         Self::new(self.0 - 1)
[INFO] [stdout] 110 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 113 | |         (self.0 as usize).checked_add(n).and_then(|n| u32::try_from(n).ok()).map(Self::new)
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 124 | |         self.0 = 2;
[INFO] [stdout] 125 | |         self.clone()
[INFO] [stdout] 126 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 129 | |         self.0 = 1;
[INFO] [stdout] 130 | |         self.clone()
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 134 | |         Self::new(self.0 + 1)
[INFO] [stdout] 135 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 138 | |         Self::new(self.0 - 1)
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 142 | |         (self.0 as usize).checked_add(n).and_then(|n| u32::try_from(n).ok()).map(Self::new)
[INFO] [stdout] 143 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 216 | |         self.0 = 1;
[INFO] [stdout] 217 | |         self.clone()
[INFO] [stdout] 218 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 221 | |         self.0 = 0;
[INFO] [stdout] 222 | |         self.clone()
[INFO] [stdout] 223 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 226 | |         Self::new(self.0 + 1)
[INFO] [stdout] 227 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 230 | |         Self::new(self.0 - 1)
[INFO] [stdout] 231 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 233 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 234 | |         (self.0 as usize).checked_add(n).and_then(|n| u32::try_from(n).ok()).map(Self::new)
[INFO] [stdout] 235 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 245 | |         self.0 = 2;
[INFO] [stdout] 246 | |         self.clone()
[INFO] [stdout] 247 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 250 | |         self.0 = 1;
[INFO] [stdout] 251 | |         self.clone()
[INFO] [stdout] 252 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 255 | |         Self::new(self.0 + 1)
[INFO] [stdout] 256 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 259 | |         Self::new(self.0 - 1)
[INFO] [stdout] 260 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_usize` is not a member of trait `Step`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | /     fn add_usize(&self, n: usize) -> Option<Self> {
[INFO] [stdout] 263 | |         (self.0 as usize).checked_add(n).and_then(|n| u32::try_from(n).ok()).map(Self::new)
[INFO] [stdout] 264 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(step_trait))]
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Step for Column<ZeroIndexed> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Step for Column<OneIndexed> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout]     = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:210:1
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl Step for Row<ZeroIndexed> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout]     = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-span-0.5.2/src/lib.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl Step for Row<OneIndexed> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout]     = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0407, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rls-span` (lib) due to 26 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "440e5d76676cca6df56197a0788eb7874b46dbb2c29490d7b2272ffd8b020918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440e5d76676cca6df56197a0788eb7874b46dbb2c29490d7b2272ffd8b020918", kill_on_drop: false }`
[INFO] [stdout] 440e5d76676cca6df56197a0788eb7874b46dbb2c29490d7b2272ffd8b020918
