[INFO] cloning repository https://github.com/marcmmiller/rsscm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcmmiller/rsscm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 056fb54bceb15d069ab5a5068f6f6db30d13a840
[INFO] documenting marcmmiller/rsscm against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcmmiller/rsscm on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] finished tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] tweaked toml for git repo https://github.com/marcmmiller/rsscm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcmmiller/rsscm 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" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa20c5c7d0518f0e5a86365e576d4e17e30e7664e92f516dbd1e9e8a0f10006
[INFO] running `Command { std: "docker" "start" "-a" "8aa20c5c7d0518f0e5a86365e576d4e17e30e7664e92f516dbd1e9e8a0f10006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa20c5c7d0518f0e5a86365e576d4e17e30e7664e92f516dbd1e9e8a0f10006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa20c5c7d0518f0e5a86365e576d4e17e30e7664e92f516dbd1e9e8a0f10006", kill_on_drop: false }`
[INFO] [stdout] 8aa20c5c7d0518f0e5a86365e576d4e17e30e7664e92f516dbd1e9e8a0f10006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c956d446f9e5c6f22dca1d6aac2fcc81739abb4ac3022f1777f08d3d938aaf
[INFO] running `Command { std: "docker" "start" "-a" "57c956d446f9e5c6f22dca1d6aac2fcc81739abb4ac3022f1777f08d3d938aaf", kill_on_drop: false }`
[INFO] [stderr]  Documenting rsscm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         ((p == '-') || (p == '_') || (p == '*') ||
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 187 |          (p == '^'))
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 ~         (p == '-') || (p == '_') || (p == '*') ||
[INFO] [stdout] 183 |          (p == '+') || (p == '?') || (p == '-') ||
[INFO] [stdout]   ...
[INFO] [stdout] 186 |          (p == '%') || (p == '&') || (p == '~') ||
[INFO] [stdout] 187 ~          (p == '^')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:654:30
[INFO] [stdout]     |
[INFO] [stdout] 654 |             DUMP.with(|c| if (c.get() > 0) {
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 654 -             DUMP.with(|c| if (c.get() > 0) {
[INFO] [stdout] 654 +             DUMP.with(|c| if c.get() > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:774:12
[INFO] [stdout]     |
[INFO] [stdout] 774 |         if (self.c.is_none()) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 774 -         if (self.c.is_none()) {
[INFO] [stdout] 774 +         if self.c.is_none() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/main.rs:1561:16
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             if (!update) {
[INFO] [stdout]      |                ^       ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1561 -             if (!update) {
[INFO] [stdout] 1561 +             if !update {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/main.rs:1675:12
[INFO] [stdout]      |
[INFO] [stdout] 1675 |         if (tail) {
[INFO] [stdout]      |            ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1675 -         if (tail) {
[INFO] [stdout] 1675 +         if tail {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rsscm/index.html
[INFO] running `Command { std: "docker" "inspect" "57c956d446f9e5c6f22dca1d6aac2fcc81739abb4ac3022f1777f08d3d938aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c956d446f9e5c6f22dca1d6aac2fcc81739abb4ac3022f1777f08d3d938aaf", kill_on_drop: false }`
[INFO] [stdout] 57c956d446f9e5c6f22dca1d6aac2fcc81739abb4ac3022f1777f08d3d938aaf
[INFO] documenting marcmmiller/rsscm against master#50be22964035027398754e54cd3a497efb00f83e for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcmmiller%2Frsscm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcmmiller/rsscm on toolchain 50be22964035027398754e54cd3a497efb00f83e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] finished tweaking git repo https://github.com/marcmmiller/rsscm
[INFO] tweaked toml for git repo https://github.com/marcmmiller/rsscm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/marcmmiller/rsscm 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" "+50be22964035027398754e54cd3a497efb00f83e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 173bf02ccd4cf44622608fc694d86bbfd997d6c25b951687fedc2a8c29f689fc
[INFO] running `Command { std: "docker" "start" "-a" "173bf02ccd4cf44622608fc694d86bbfd997d6c25b951687fedc2a8c29f689fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "173bf02ccd4cf44622608fc694d86bbfd997d6c25b951687fedc2a8c29f689fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173bf02ccd4cf44622608fc694d86bbfd997d6c25b951687fedc2a8c29f689fc", kill_on_drop: false }`
[INFO] [stdout] 173bf02ccd4cf44622608fc694d86bbfd997d6c25b951687fedc2a8c29f689fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+50be22964035027398754e54cd3a497efb00f83e" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a88ebfb14fd9f8b8327534b1620fc2c4e8d277569b3987777eb803acd6c4fd8
[INFO] running `Command { std: "docker" "start" "-a" "4a88ebfb14fd9f8b8327534b1620fc2c4e8d277569b3987777eb803acd6c4fd8", kill_on_drop: false }`
[INFO] [stderr]  Documenting rsscm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         ((p == '-') || (p == '_') || (p == '*') ||
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 187 |          (p == '^'))
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 ~         (p == '-') || (p == '_') || (p == '*') ||
[INFO] [stdout] 183 |          (p == '+') || (p == '?') || (p == '-') ||
[INFO] [stdout]   ...
[INFO] [stdout] 186 |          (p == '%') || (p == '&') || (p == '~') ||
[INFO] [stdout] 187 ~          (p == '^')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:654:30
[INFO] [stdout]     |
[INFO] [stdout] 654 |             DUMP.with(|c| if (c.get() > 0) {
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 654 -             DUMP.with(|c| if (c.get() > 0) {
[INFO] [stdout] 654 +             DUMP.with(|c| if c.get() > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:774:12
[INFO] [stdout]     |
[INFO] [stdout] 774 |         if (self.c.is_none()) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 774 -         if (self.c.is_none()) {
[INFO] [stdout] 774 +         if self.c.is_none() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/main.rs:1561:16
[INFO] [stdout]      |
[INFO] [stdout] 1561 |             if (!update) {
[INFO] [stdout]      |                ^       ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1561 -             if (!update) {
[INFO] [stdout] 1561 +             if !update {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/main.rs:1675:12
[INFO] [stdout]      |
[INFO] [stdout] 1675 |         if (tail) {
[INFO] [stdout]      |            ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1675 -         if (tail) {
[INFO] [stdout] 1675 +         if tail {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Self` is not an iterator
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ `Self` is not an iterator
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:29
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                             ^^^^^^^^ required by this bound in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: std::iter::Iterator;
[INFO] [stdout]      |                                         +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]     --> src/main.rs:1321:26
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self>;
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `Lastable`
[INFO] [stdout]     --> src/main.rs:1296:17
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator {
[INFO] [stdout]      |                 ^ required by this bound in `Lastable`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     fn lastable(self) -> Lastable<Self> where Self: std::marker::Sized;
[INFO] [stdout]      |                                         ++++++++++++++++++++++++++++++
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]      |
[INFO] [stdout] 1296 | struct Lastable<I> where I: Iterator + ?Sized {
[INFO] [stdout]      |                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rsscm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/50be22964035027398754e54cd3a497efb00f83e/bin/rustdoc --crate-type bin --crate-name rsscm src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3233d6acbe8386dd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4a88ebfb14fd9f8b8327534b1620fc2c4e8d277569b3987777eb803acd6c4fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a88ebfb14fd9f8b8327534b1620fc2c4e8d277569b3987777eb803acd6c4fd8", kill_on_drop: false }`
[INFO] [stdout] 4a88ebfb14fd9f8b8327534b1620fc2c4e8d277569b3987777eb803acd6c4fd8