[INFO] fetching crate rbop 0.2.0...
[INFO] testing rbop-0.2.0 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate rbop 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rbop 0.2.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbop 0.2.0
[INFO] finished tweaking crates.io crate rbop 0.2.0
[INFO] tweaked toml for crates.io crate rbop 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rbop 0.2.0 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc32fast v1.3.0
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded quote v1.0.13
[INFO] [stderr]   Downloaded glow v0.7.2
[INFO] [stderr]   Downloaded speedy2d v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 136fc6d324442b8ac582dc414295f2b46b24f2d3929ec0414c8d3182e6c6c350
[INFO] running `Command { std: "docker" "start" "-a" "136fc6d324442b8ac582dc414295f2b46b24f2d3929ec0414c8d3182e6c6c350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136fc6d324442b8ac582dc414295f2b46b24f2d3929ec0414c8d3182e6c6c350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136fc6d324442b8ac582dc414295f2b46b24f2d3929ec0414c8d3182e6c6c350", kill_on_drop: false }`
[INFO] [stdout] 136fc6d324442b8ac582dc414295f2b46b24f2d3929ec0414c8d3182e6c6c350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d5033d7342abaf2cdd47b1860b3d7eb0af1a17c34e57e5df4be386c567fda3b
[INFO] running `Command { std: "docker" "start" "-a" "9d5033d7342abaf2cdd47b1860b3d7eb0af1a17c34e57e5df4be386c567fda3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rust_decimal v1.23.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rbop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/unstructured.rs:504:44
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 => Ok(StructuredNode::Sqrt(box inner.upgrade()?)),
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 => Ok(StructuredNode::Sqrt(Box::new(inner.upgrade()?))),
[INFO] [stdout]     |                                            ~~~~~~~~~                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/unstructured.rs:507:51
[INFO] [stdout]     |
[INFO] [stdout] 507 |                 => Ok(StructuredNode::Parentheses(box inner.upgrade()?)),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 507 |                 => Ok(StructuredNode::Parentheses(Box::new(inner.upgrade()?))),
[INFO] [stdout]     |                                                   ~~~~~~~~~                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/unstructured.rs:510:46
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 => Ok(StructuredNode::Divide(box a.upgrade()?, box b.upgrade()?)),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 => Ok(StructuredNode::Divide(Box::new(a.upgrade()?), box b.upgrade()?)),
[INFO] [stdout]     |                                              ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/unstructured.rs:510:64
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 => Ok(StructuredNode::Divide(box a.upgrade()?, box b.upgrade()?)),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 => Ok(StructuredNode::Divide(box a.upgrade()?, Box::new(b.upgrade()?))),
[INFO] [stdout]     |                                                                ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/structured.rs:75:37
[INFO] [stdout]    |
[INFO] [stdout] 75 |         StructuredNode::Parentheses(box self.clone())
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 75 |         StructuredNode::Parentheses(Box::new(self.clone()))
[INFO] [stdout]    |                                     ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:100:42
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 StructuredNode::Multiply(box l, box r)
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 StructuredNode::Multiply(Box::new(l), box r)
[INFO] [stdout]     |                                          ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:100:49
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 StructuredNode::Multiply(box l, box r)
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 StructuredNode::Multiply(box l, Box::new(r))
[INFO] [stdout]     |                                                 ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:105:40
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 StructuredNode::Divide(box l, box r)
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 StructuredNode::Divide(Box::new(l), box r)
[INFO] [stdout]     |                                        ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:105:47
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 StructuredNode::Divide(box l, box r)
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 StructuredNode::Divide(box l, Box::new(r))
[INFO] [stdout]     |                                               ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:110:48
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 StructuredNode::Add(l.clone(), box r)
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 StructuredNode::Add(l.clone(), Box::new(r))
[INFO] [stdout]     |                                                ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:114:53
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 StructuredNode::Subtract(l.clone(), box r)
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 StructuredNode::Subtract(l.clone(), Box::new(r))
[INFO] [stdout]     |                                                     ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:318:17
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 box n.simplify(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 Box::new(n.simplify()),
[INFO] [stdout]     |                 ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 box SimplifiedNode::Number(Number::Rational(1, 2)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Box::new(SimplifiedNode::Number(Number::Rational(1, 2))),
[INFO] [stdout]     |                 ~~~~~~~~~                                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |                 box b.simplify(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 322 |                 Box::new(b.simplify()),
[INFO] [stdout]     |                 ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/structured.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 box e.simplify(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 Box::new(e.simplify()),
[INFO] [stdout]     |                 ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/simplified.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Self::Power(box self, box Self::Number(-Number::one()))
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Self::Power(Box::new(self), box Self::Number(-Number::one()))
[INFO] [stdout]    |                     ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/simplified.rs:42:31
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Self::Power(box self, box Self::Number(-Number::one()))
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Self::Power(box self, Box::new(Self::Number(-Number::one())))
[INFO] [stdout]    |                               ~~~~~~~~~                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/simplified.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 box b.flatten(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 Box::new(b.flatten()),
[INFO] [stdout]    |                 ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/simplified.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 box e.flatten()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 Box::new(e.flatten())
[INFO] [stdout]    |                 ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:172:33
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   box new_inner_exponent,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 172 |                                 Box::new(new_inner_exponent),
[INFO] [stdout]     |                                 ~~~~~~~~~                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:170:29
[INFO] [stdout]     |
[INFO] [stdout] 170 | / ...                   box SimplifiedNode::Power(
[INFO] [stdout] 171 | | ...                       b.clone(),
[INFO] [stdout] 172 | | ...                       box new_inner_exponent,
[INFO] [stdout] 173 | | ...                   ),
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 170 ~                             Box::new(SimplifiedNode::Power(
[INFO] [stdout] 171 |                                 b.clone(),
[INFO] [stdout] 172 |                                 box new_inner_exponent,
[INFO] [stdout] 173 ~                             )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   box new_outer_exponent,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 174 |                             Box::new(new_outer_exponent),
[INFO] [stdout]     |                             ~~~~~~~~~                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:256:29
[INFO] [stdout]     |
[INFO] [stdout] 256 | ...                   box new_exp,
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 256 |                             Box::new(new_exp),
[INFO] [stdout]     |                             ~~~~~~~~~       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:270:33
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   box term.clone(),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 270 |                                 Box::new(term.clone()),
[INFO] [stdout]     |                                 ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:329:50
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         Ok(SimplifiedNode::Power(box n.clone(), box SimplifiedNode::Number(c)))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         Ok(SimplifiedNode::Power(Box::new(n.clone()), box SimplifiedNode::Number(c)))
[INFO] [stdout]     |                                                  ~~~~~~~~~         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/simplified.rs:329:65
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         Ok(SimplifiedNode::Power(box n.clone(), box SimplifiedNode::Number(c)))
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         Ok(SimplifiedNode::Power(box n.clone(), Box::new(SimplifiedNode::Number(c))))
[INFO] [stdout]     |                                                                 ~~~~~~~~~                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 box result,
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 Box::new(result),
[INFO] [stdout]    |                 ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 box exp.upgrade()?,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 Box::new(exp.upgrade()?),
[INFO] [stdout]    |                 ~~~~~~~~~              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:79:47
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     out = StructuredNode::Add(box left, box self.parse_level2()?);
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     out = StructuredNode::Add(Box::new(left), box self.parse_level2()?);
[INFO] [stdout]    |                                               ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     out = StructuredNode::Add(box left, box self.parse_level2()?);
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     out = StructuredNode::Add(box left, Box::new(self.parse_level2()?));
[INFO] [stdout]    |                                                         ~~~~~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     out = StructuredNode::Subtract(box left, box self.parse_level2()?);
[INFO] [stdout]    |                                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     out = StructuredNode::Subtract(Box::new(left), box self.parse_level2()?);
[INFO] [stdout]    |                                                    ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/node/parser.rs:81:62
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     out = StructuredNode::Subtract(box left, box self.parse_level2()?);
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     out = StructuredNode::Subtract(box left, Box::new(self.parse_level2()?));
[INFO] [stdout]    |                                                              ~~~~~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:102:52
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     out = StructuredNode::Multiply(box left, box self.parse_level3()?);
[INFO] [stdout]     |                                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     out = StructuredNode::Multiply(Box::new(left), box self.parse_level3()?);
[INFO] [stdout]     |                                                    ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:102:62
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     out = StructuredNode::Multiply(box left, box self.parse_level3()?);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     out = StructuredNode::Multiply(box left, Box::new(self.parse_level3()?));
[INFO] [stdout]     |                                                              ~~~~~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:104:50
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     out = StructuredNode::Divide(box left, box self.parse_level3()?);
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     out = StructuredNode::Divide(Box::new(left), box self.parse_level3()?);
[INFO] [stdout]     |                                                  ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:104:60
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     out = StructuredNode::Divide(box left, box self.parse_level3()?);
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     out = StructuredNode::Divide(box left, Box::new(self.parse_level3()?));
[INFO] [stdout]     |                                                            ~~~~~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:208:55
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.accepts_power(StructuredNode::Divide(box a.upgrade()?, box b.upgrade()?))?
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.accepts_power(StructuredNode::Divide(Box::new(a.upgrade()?), box b.upgrade()?))?
[INFO] [stdout]     |                                                       ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:208:73
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.accepts_power(StructuredNode::Divide(box a.upgrade()?, box b.upgrade()?))?
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 208 |             self.accepts_power(StructuredNode::Divide(box a.upgrade()?, Box::new(b.upgrade()?)))?
[INFO] [stdout]     |                                                                         ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:211:53
[INFO] [stdout]     |
[INFO] [stdout] 211 |             self.accepts_power(StructuredNode::Sqrt(box n.upgrade()?))?
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 211 |             self.accepts_power(StructuredNode::Sqrt(Box::new(n.upgrade()?)))?
[INFO] [stdout]     |                                                     ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:214:60
[INFO] [stdout]     |
[INFO] [stdout] 214 |             self.accepts_power(StructuredNode::Parentheses(box inner.upgrade()?))?
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 214 |             self.accepts_power(StructuredNode::Parentheses(Box::new(inner.upgrade()?)))?
[INFO] [stdout]     |                                                            ~~~~~~~~~                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:231:51
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 result = StructuredNode::Multiply(box StructuredNode::Number(Number::Rational(-1, 1)), box result);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 result = StructuredNode::Multiply(Box::new(StructuredNode::Number(Number::Rational(-1, 1))), box result);
[INFO] [stdout]     |                                                   ~~~~~~~~~                                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:231:104
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 result = StructuredNode::Multiply(box StructuredNode::Number(Number::Rational(-1, 1)), box result);
[INFO] [stdout]     |                                                                                                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 result = StructuredNode::Multiply(box StructuredNode::Number(Number::Rational(-1, 1)), Box::new(result));
[INFO] [stdout]     |                                                                                                        ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:247:47
[INFO] [stdout]     |
[INFO] [stdout] 247 |             result = StructuredNode::Multiply(box result, box self.parse_level3()?);
[INFO] [stdout]     |                                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 247 |             result = StructuredNode::Multiply(Box::new(result), box self.parse_level3()?);
[INFO] [stdout]     |                                               ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/node/parser.rs:247:59
[INFO] [stdout]     |
[INFO] [stdout] 247 |             result = StructuredNode::Multiply(box result, box self.parse_level3()?);
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 247 |             result = StructuredNode::Multiply(box result, Box::new(self.parse_level3()?));
[INFO] [stdout]     |                                                           ~~~~~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rbop` (lib) due to 45 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9d5033d7342abaf2cdd47b1860b3d7eb0af1a17c34e57e5df4be386c567fda3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5033d7342abaf2cdd47b1860b3d7eb0af1a17c34e57e5df4be386c567fda3b", kill_on_drop: false }`
[INFO] [stdout] 9d5033d7342abaf2cdd47b1860b3d7eb0af1a17c34e57e5df4be386c567fda3b
