[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 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fclyde" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/clyde on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.46.0" "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] 3514a0297d1c3ac1827ce9c952329b27707731662a5742b2b41096cc4aa22f20
[INFO] running `Command { std: "docker" "start" "-a" "3514a0297d1c3ac1827ce9c952329b27707731662a5742b2b41096cc4aa22f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3514a0297d1c3ac1827ce9c952329b27707731662a5742b2b41096cc4aa22f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3514a0297d1c3ac1827ce9c952329b27707731662a5742b2b41096cc4aa22f20", kill_on_drop: false }`
[INFO] [stdout] 3514a0297d1c3ac1827ce9c952329b27707731662a5742b2b41096cc4aa22f20
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6479f6ad4387c9c4002b7b550a5a79e21845fb32a913f6010d0e7368e9ab255d
[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" "6479f6ad4387c9c4002b7b550a5a79e21845fb32a913f6010d0e7368e9ab255d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking fst v0.3.3
[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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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/github.com-1ecc6299db9ec823/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 stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.5.2/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(step_trait))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.5.2/src/lib.rs:89:1
[INFO] [stdout]     |
[INFO] [stdout] 89  | / impl Step for Column<ZeroIndexed> {
[INFO] [stdout] 90  | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 91  | |         <u32 as Step>::steps_between(&start.0, &end.0)
[INFO] [stdout] 92  | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     }
[INFO] [stdout] 115 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.5.2/src/lib.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | / impl Step for Column<OneIndexed> {
[INFO] [stdout] 119 | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 120 | |         <u32 as Step>::steps_between(&start.0, &end.0)
[INFO] [stdout] 121 | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |     }
[INFO] [stdout] 144 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.5.2/src/lib.rs:210:1
[INFO] [stdout]     |
[INFO] [stdout] 210 | / impl Step for Row<ZeroIndexed> {
[INFO] [stdout] 211 | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 212 | |         <u32 as Step>::steps_between(&start.0, &end.0)
[INFO] [stdout] 213 | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 235 | |     }
[INFO] [stdout] 236 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0200]: the trait `std::iter::Step` requires an `unsafe impl` declaration
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.5.2/src/lib.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | / impl Step for Row<OneIndexed> {
[INFO] [stdout] 240 | |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 241 | |         <u32 as Step>::steps_between(&start.0, &end.0)
[INFO] [stdout] 242 | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 264 | |     }
[INFO] [stdout] 265 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0200, E0407, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0200`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rls-span`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6479f6ad4387c9c4002b7b550a5a79e21845fb32a913f6010d0e7368e9ab255d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6479f6ad4387c9c4002b7b550a5a79e21845fb32a913f6010d0e7368e9ab255d", kill_on_drop: false }`
[INFO] [stdout] 6479f6ad4387c9c4002b7b550a5a79e21845fb32a913f6010d0e7368e9ab255d