[INFO] fetching crate incrust 0.2.15...
[INFO] checking incrust-0.2.15 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate incrust 0.2.15 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate incrust 0.2.15 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate incrust 0.2.15
[INFO] finished tweaking crates.io crate incrust 0.2.15
[INFO] tweaked toml for crates.io crate incrust 0.2.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] [stderr]       Adding maplit v0.1.6 (available: v1.0.2)
[INFO] [stderr]       Adding nom v2.2.1 (available: v7.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded marksman_escape v0.1.2
[INFO] [stderr]   Downloaded maplit v0.1.6
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62af28ac307464842dcdffdb3dfc97ea0bc666f97f7d453152f7e1be4a676127
[INFO] running `Command { std: "docker" "start" "-a" "62af28ac307464842dcdffdb3dfc97ea0bc666f97f7d453152f7e1be4a676127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62af28ac307464842dcdffdb3dfc97ea0bc666f97f7d453152f7e1be4a676127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62af28ac307464842dcdffdb3dfc97ea0bc666f97f7d453152f7e1be4a676127", kill_on_drop: false }`
[INFO] [stdout] 62af28ac307464842dcdffdb3dfc97ea0bc666f97f7d453152f7e1be4a676127
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49cbe4d90a4634168c099553dccb21dbc2e103dc423043f46d3358eaef0f9ca8
[INFO] running `Command { std: "docker" "start" "-a" "49cbe4d90a4634168c099553dccb21dbc2e103dc423043f46d3358eaef0f9ca8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking marksman_escape v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking incrust v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![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[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![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/container/args.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Arg::Owned(box v)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Arg::Owned(Box::new(v))
[INFO] [stdout]    |                    ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/args.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Arg::Owned(box v)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Arg::Owned(Box::new(v))
[INFO] [stdout]    |                    ~~~~~~~~~ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/cycle.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/cycle.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |         filters.insert("e".into(), box Escape);
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 23 |         filters.insert("e".into(), Box::new(Escape));
[INFO] [stdout]    |                                    ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |         filters.insert("e".into(), box Escape);
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 23 |         filters.insert("e".into(), Box::new(Escape));
[INFO] [stdout]    |                                    ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |         filters.insert("escape".into(), box Escape);
[INFO] [stdout]    |                                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |         filters.insert("escape".into(), Box::new(Escape));
[INFO] [stdout]    |                                         ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |         filters.insert("escape".into(), box Escape);
[INFO] [stdout]    |                                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |         filters.insert("escape".into(), Box::new(Escape));
[INFO] [stdout]    |                                         ~~~~~~~~~      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |         filters.insert("unescape".into(), box Unescape);
[INFO] [stdout]    |                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |         filters.insert("unescape".into(), Box::new(Unescape));
[INFO] [stdout]    |                                           ~~~~~~~~~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/container/incrust.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |         filters.insert("unescape".into(), box Unescape);
[INFO] [stdout]    |                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |         filters.insert("unescape".into(), Box::new(Unescape));
[INFO] [stdout]    |                                           ~~~~~~~~~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/incrust.rs:255:30
[INFO] [stdout]     |
[INFO] [stdout] 255 |           incrust.loaders.push(box hashmap!{
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 256 | |             "base".into() => base.into(),
[INFO] [stdout] 257 | |             "tpl".into() => tpl.into(),
[INFO] [stdout] 258 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 255 ~         incrust.loaders.push(Box::new(hashmap!{
[INFO] [stdout] 256 |             "base".into() => base.into(),
[INFO] [stdout] 257 |             "tpl".into() => tpl.into(),
[INFO] [stdout] 258 ~         }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/incrust.rs:255:30
[INFO] [stdout]     |
[INFO] [stdout] 255 |           incrust.loaders.push(box hashmap!{
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 256 | |             "base".into() => base.into(),
[INFO] [stdout] 257 | |             "tpl".into() => tpl.into(),
[INFO] [stdout] 258 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 255 ~         incrust.loaders.push(Box::new(hashmap!{
[INFO] [stdout] 256 |             "base".into() => base.into(),
[INFO] [stdout] 257 |             "tpl".into() => tpl.into(),
[INFO] [stdout] 258 ~         }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/incrust.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |           incrust.loaders.push(box hashmap!{
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 293 | |             "default_menu".into() => default_menu.into(),
[INFO] [stdout] 294 | |             "tpl".into() => tpl.into(),
[INFO] [stdout] 295 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 292 ~         incrust.loaders.push(Box::new(hashmap!{
[INFO] [stdout] 293 |             "default_menu".into() => default_menu.into(),
[INFO] [stdout] 294 |             "tpl".into() => tpl.into(),
[INFO] [stdout] 295 ~         }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/container/incrust.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |           incrust.loaders.push(box hashmap!{
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 293 | |             "default_menu".into() => default_menu.into(),
[INFO] [stdout] 294 | |             "tpl".into() => tpl.into(),
[INFO] [stdout] 295 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 292 ~         incrust.loaders.push(Box::new(hashmap!{
[INFO] [stdout] 293 |             "default_menu".into() => default_menu.into(),
[INFO] [stdout] 294 |             "tpl".into() => tpl.into(),
[INFO] [stdout] 295 ~         }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/char.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/char.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/string.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/string.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/bool.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/bool.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/real.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/real.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:60:105
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self + s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self + s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:60:105
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self + s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self + s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:61:105
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self - s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self - s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:61:105
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self - s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self - s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:62:105
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self * s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self * s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:62:105
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self * s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self * s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:63:105
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self / s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self / s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/real.rs:63:105
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(box (*self / s)) }) }
[INFO] [stdout]    |                                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_real().map(|s| { Arg::Owned(Box::new((*self / s))) }) }
[INFO] [stdout]    |                                                                                                         ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/int.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]  --> src/types/int.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(box *self)
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Arg::Owned(Box::new(*self))
[INFO] [stdout]   |                    ~~~~~~~~~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:62:104
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self + s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self + s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:62:104
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self + s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn try_add<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self + s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:63:104
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self - s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self - s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:63:104
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self - s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn try_sub<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self - s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:64:104
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self * s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self * s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:64:104
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self * s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn try_mul<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self * s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:65:104
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self / s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self / s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/int.rs:65:104
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(box (*self / s)) }) }
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn try_div<'o>(&self, other: Arg<'o>) -> Option<Arg<'o>> { other.try_as_int().map(|s| { Arg::Owned(Box::new((*self / s))) }) }
[INFO] [stdout]    |                                                                                                        ~~~~~~~~~           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/list.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | /             box self.into_iter()
[INFO] [stdout] 12 | |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 13 | |                 .collect::<Vec<Arg<'static>>>()
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 11 ~             Box::new(self.into_iter()
[INFO] [stdout] 12 |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 13 ~                 .collect::<Vec<Arg<'static>>>())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/list.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         box self.iter().map(Arg::to_ref)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Box::new(self.iter().map(Arg::to_ref))
[INFO] [stdout]    |         ~~~~~~~~~                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/types/list.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 | /             box self.into_iter()
[INFO] [stdout] 122 | |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 123 | |                 .collect::<Vec<Arg<'static>>>()
[INFO] [stdout]     | |_______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 121 ~             Box::new(self.into_iter()
[INFO] [stdout] 122 |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 123 ~                 .collect::<Vec<Arg<'static>>>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/types/list.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         box self.iter().map(Arg::to_ref)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Box::new(self.iter().map(Arg::to_ref))
[INFO] [stdout]     |         ~~~~~~~~~                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/list.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | /             box self.into_iter()
[INFO] [stdout] 12 | |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 13 | |                 .collect::<Vec<Arg<'static>>>()
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 11 ~             Box::new(self.into_iter()
[INFO] [stdout] 12 |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 13 ~                 .collect::<Vec<Arg<'static>>>())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/list.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         box self.iter().map(Arg::to_ref)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Box::new(self.iter().map(Arg::to_ref))
[INFO] [stdout]    |         ~~~~~~~~~                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/types/list.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 | /             box self.into_iter()
[INFO] [stdout] 122 | |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 123 | |                 .collect::<Vec<Arg<'static>>>()
[INFO] [stdout]     | |_______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 121 ~             Box::new(self.into_iter()
[INFO] [stdout] 122 |                 .map(|v| (*v).clone_type())
[INFO] [stdout] 123 ~                 .collect::<Vec<Arg<'static>>>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/function.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Arg::Owned(box Function { f: f })
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Arg::Owned(Box::new(Function { f: f }))
[INFO] [stdout]    |                    ~~~~~~~~~                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/types/list.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         box self.iter().map(Arg::to_ref)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Box::new(self.iter().map(Arg::to_ref))
[INFO] [stdout]     |         ~~~~~~~~~                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/function.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/function.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Arg::Owned(box Function { f: f })
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Arg::Owned(Box::new(Function { f: f }))
[INFO] [stdout]    |                    ~~~~~~~~~                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/types/function.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Arg::Owned(box self.clone())
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Arg::Owned(Box::new(self.clone()))
[INFO] [stdout]    |                    ~~~~~~~~~            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:118:87
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 RevFactor::Attribute(id) => Factor::Attribute(Attribute { id: id, on: box acc }),
[INFO] [stdout]     |                                                                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 RevFactor::Attribute(id) => Factor::Attribute(Attribute { id: id, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                       ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:119:72
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: box acc }),
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: Box::new(expr), on: box acc }),
[INFO] [stdout]     |                                                                        ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:119:86
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: box acc }),
[INFO] [stdout]     |                                                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                      ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:120:96
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 RevFactor::Invocation(args) => Factor::Invocation(Invocation { args: args, on: box acc }),
[INFO] [stdout]     |                                                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 RevFactor::Invocation(args) => Factor::Invocation(Invocation { args: args, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                                ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:118:87
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 RevFactor::Attribute(id) => Factor::Attribute(Attribute { id: id, on: box acc }),
[INFO] [stdout]     |                                                                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 RevFactor::Attribute(id) => Factor::Attribute(Attribute { id: id, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                       ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:119:72
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: box acc }),
[INFO] [stdout]     |                                                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: Box::new(expr), on: box acc }),
[INFO] [stdout]     |                                                                        ~~~~~~~~~    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:119:86
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: box acc }),
[INFO] [stdout]     |                                                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 RevFactor::Index(expr) => Factor::Index(Index { index: box expr, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                      ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser/expressions.rs:120:96
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 RevFactor::Invocation(args) => Factor::Invocation(Invocation { args: args, on: box acc }),
[INFO] [stdout]     |                                                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 RevFactor::Invocation(args) => Factor::Invocation(Invocation { args: args, on: Box::new(acc) }),
[INFO] [stdout]     |                                                                                                ~~~~~~~~~   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0520]: `is_string` specializes an item from a parent `impl`, but that item is not marked `default`
[INFO] [stdout]   --> src/types/string.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn is_string(&self) -> bool {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `is_string`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/types/defaults.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl <'r, T> AsString for T where T: for <'t> Type<'t> + 'r + Display {
[INFO] [stdout]    | --------------------------------------------------------------------- parent `impl` is here
[INFO] [stdout]    |
[INFO] [stdout]    = note: to specialize, `is_string` in the parent `impl` must be marked `default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0520]: `is_string` specializes an item from a parent `impl`, but that item is not marked `default`
[INFO] [stdout]   --> src/types/string.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn is_string(&self) -> bool {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `is_string`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/types/defaults.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl <'r, T> AsString for T where T: for <'t> Type<'t> + 'r + Display {
[INFO] [stdout]    | --------------------------------------------------------------------- parent `impl` is here
[INFO] [stdout]    |
[INFO] [stdout]    = note: to specialize, `is_string` in the parent `impl` must be marked `default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0520, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0520`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `incrust` (lib) due to 32 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0520, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0520`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `incrust` (lib test) due to 32 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "49cbe4d90a4634168c099553dccb21dbc2e103dc423043f46d3358eaef0f9ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cbe4d90a4634168c099553dccb21dbc2e103dc423043f46d3358eaef0f9ca8", kill_on_drop: false }`
[INFO] [stdout] 49cbe4d90a4634168c099553dccb21dbc2e103dc423043f46d3358eaef0f9ca8