[INFO] cloning repository https://github.com/badboy/small-step-simple-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/small-step-simple-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fsmall-step-simple-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fsmall-step-simple-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31434807da02bff7ef9d5ff8d8af259bd8946ff9
[INFO] documenting badboy/small-step-simple-rust 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%2Fbadboy%2Fsmall-step-simple-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/small-step-simple-rust 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/badboy/small-step-simple-rust
[INFO] finished tweaking git repo https://github.com/badboy/small-step-simple-rust
[INFO] tweaked toml for git repo https://github.com/badboy/small-step-simple-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/small-step-simple-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 21042beb94d9c1f883a0a4b30024c82d9e3cf2deae6be3cc98908970e83297aa
[INFO] running `Command { std: "docker" "start" "-a" "21042beb94d9c1f883a0a4b30024c82d9e3cf2deae6be3cc98908970e83297aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21042beb94d9c1f883a0a4b30024c82d9e3cf2deae6be3cc98908970e83297aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21042beb94d9c1f883a0a4b30024c82d9e3cf2deae6be3cc98908970e83297aa", kill_on_drop: false }`
[INFO] [stdout] 21042beb94d9c1f883a0a4b30024c82d9e3cf2deae6be3cc98908970e83297aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cd934a5b67188cc850818a59976b88c6b9b663260172ae83079304c67656b546
[INFO] running `Command { std: "docker" "start" "-a" "cd934a5b67188cc850818a59976b88c6b9b663260172ae83079304c67656b546", kill_on_drop: false }`
[INFO] [stderr]  Documenting small_step_simple v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:184:34
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     Element::Add(box l.reduce(environment), r.clone())
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     Element::Add(Box::new(l.reduce(environment)), r.clone())
[INFO] [stdout]     |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:186:45
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     Element::Add(l.clone(), box r.reduce(environment))
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     Element::Add(l.clone(), Box::new(r.reduce(environment)))
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:193:39
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     Element::Multiply(box l.reduce(environment), r.clone())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 193 |                     Element::Multiply(Box::new(l.reduce(environment)), r.clone())
[INFO] [stdout]     |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:195:50
[INFO] [stdout]     |
[INFO] [stdout] 195 |                     Element::Multiply(l.clone(), box r.reduce(environment))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 195 |                     Element::Multiply(l.clone(), Box::new(r.reduce(environment)))
[INFO] [stdout]     |                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:202:39
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     Element::LessThan(box l.reduce(environment), r.clone())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     Element::LessThan(Box::new(l.reduce(environment)), r.clone())
[INFO] [stdout]     |                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:204:50
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     Element::LessThan(l.clone(), box r.reduce(environment))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     Element::LessThan(l.clone(), Box::new(r.reduce(environment)))
[INFO] [stdout]     |                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:219:51
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     Element::Assign(name.clone(), box expression.reduce(environment))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     Element::Assign(name.clone(), Box::new(expression.reduce(environment)))
[INFO] [stdout]     |                                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 Element::Sequence(box first.reduce(environment), second.clone())
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 Element::Sequence(Box::new(first.reduce(environment)), second.clone())
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:239:37
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Element::IfElse(box cond.reduce(environment), cons.clone(), alt.clone())
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Element::IfElse(Box::new(cond.reduce(environment)), cons.clone(), alt.clone())
[INFO] [stdout]     |                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:245:83
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), box Element::Sequence(body.clone(), box self.clone()), box Element::DoNothing)
[INFO] [stdout]     |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), box Element::Sequence(body.clone(), Box::new(self.clone())), box Element::DoNothing)
[INFO] [stdout]     |                                                                                   ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:245:47
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), box Element::Sequence(body.clone(), box self.clone()), box Element::DoNothing)
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), Box::new(Element::Sequence(body.clone(), box self.clone())), box Element::DoNothing)
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:245:102
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), box Element::Sequence(body.clone(), box self.clone()), box Element::DoNothing)
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 Element::IfElse(cond.clone(), box Element::Sequence(body.clone(), box self.clone()), Box::new(Element::DoNothing))
[INFO] [stdout]     |                                                                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:337:27
[INFO] [stdout]     |
[INFO] [stdout] 337 |         self.expression = box self.expression.reduce(&mut self.environment)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 337 |         self.expression = Box::new(self.expression.reduce(&mut self.environment))
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let i = box i.reduce(&mut empty_env);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let i = Box::new(i.reduce(&mut empty_env));
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(box_syntax,box_patterns)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `small_step_simple`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name small_step_simple src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=533df263ef01214d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cd934a5b67188cc850818a59976b88c6b9b663260172ae83079304c67656b546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd934a5b67188cc850818a59976b88c6b9b663260172ae83079304c67656b546", kill_on_drop: false }`
[INFO] [stdout] cd934a5b67188cc850818a59976b88c6b9b663260172ae83079304c67656b546
