[INFO] cloning repository https://github.com/meddle0x53/arith-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddle0x53/arith-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Farith-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Farith-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf51b0fcd0338bb01e9aa4ccad4db648e8dd2017
[INFO] checking meddle0x53/arith-rust against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Farith-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meddle0x53/arith-rust on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meddle0x53/arith-rust
[INFO] finished tweaking git repo https://github.com/meddle0x53/arith-rust
[INFO] tweaked toml for git repo https://github.com/meddle0x53/arith-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meddle0x53/arith-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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46dfd5c5ec1f199b672d4d61a4789cf458048c1cecbc7d4d0f372cea2e68eca2
[INFO] running `Command { std: "docker" "start" "-a" "46dfd5c5ec1f199b672d4d61a4789cf458048c1cecbc7d4d0f372cea2e68eca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46dfd5c5ec1f199b672d4d61a4789cf458048c1cecbc7d4d0f372cea2e68eca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dfd5c5ec1f199b672d4d61a4789cf458048c1cecbc7d4d0f372cea2e68eca2", kill_on_drop: false }`
[INFO] [stdout] 46dfd5c5ec1f199b672d4d61a4789cf458048c1cecbc7d4d0f372cea2e68eca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a03868878cbfe69c45fb7efa02d498c1dd54b1bb9ce608496daffa52cc229683
[INFO] running `Command { std: "docker" "start" "-a" "a03868878cbfe69c45fb7efa02d498c1dd54b1bb9ce608496daffa52cc229683", kill_on_drop: false }`
[INFO] [stderr]     Checking arith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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/parser.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &Token::IsZero => Ok(IsZero(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &Token::IsZero => Ok(IsZero(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |         &Token::Succ   => Ok(Succ(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         &Token::Succ   => Ok(Succ(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |         &Token::Pred   => Ok(Pred(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 82 |         &Token::Pred   => Ok(Pred(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(Box::new(condition), box true_case, box false_case))
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, Box::new(true_case), box false_case))
[INFO] [stdout]    |                                          ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, Box::new(false_case)))
[INFO] [stdout]    |                                                         ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:181:26
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(Box::new(Term::True), box Term::False, box Term::True);
[INFO] [stdout]     |                             ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:45
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, Box::new(Term::False), box Term::True);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:62
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, Box::new(Term::True));
[INFO] [stdout]     |                                                              ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:193:26
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:194:26
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let two = Term::Succ(box one.clone());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let two = Term::Succ(Box::new(one.clone()));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:195:28
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let three = Term::Succ(box two);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let three = Term::Succ(Box::new(two));
[INFO] [stdout]     |                            ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:196:27
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let four = Term::Succ(box three);
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let four = Term::Succ(Box::new(three));
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let five = Term::Succ(box four);
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let five = Term::Succ(Box::new(four));
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &Token::IsZero => Ok(IsZero(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &Token::IsZero => Ok(IsZero(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |         &Token::Succ   => Ok(Succ(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         &Token::Succ   => Ok(Succ(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |         &Token::Pred   => Ok(Pred(box parse_inner(tokens)?)),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 82 |         &Token::Pred   => Ok(Pred(Box::new(parse_inner(tokens)?))),
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(Box::new(condition), box true_case, box false_case))
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, Box::new(true_case), box false_case))
[INFO] [stdout]    |                                          ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/parser.rs:91:57
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, box false_case))
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     Ok(If(box condition, box true_case, Box::new(false_case)))
[INFO] [stdout]    |                                                         ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:181:26
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:29
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(Box::new(Term::True), box Term::False, box Term::True);
[INFO] [stdout]     |                             ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:45
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, Box::new(Term::False), box Term::True);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:182:62
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, box Term::True);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let inner_if = Term::If(box Term::True, box Term::False, Box::new(Term::True));
[INFO] [stdout]     |                                                              ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:193:26
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let one = Term::Succ(box Term::Zero);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let one = Term::Succ(Box::new(Term::Zero));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:194:26
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let two = Term::Succ(box one.clone());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let two = Term::Succ(Box::new(one.clone()));
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:195:28
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let three = Term::Succ(box two);
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let three = Term::Succ(Box::new(two));
[INFO] [stdout]     |                            ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:196:27
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let four = Term::Succ(box three);
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let four = Term::Succ(Box::new(three));
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let five = Term::Succ(box four);
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let five = Term::Succ(Box::new(four));
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |         vec![IsZero(box Zero)]
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |         vec![IsZero(Box::new(Zero))]
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |         vec![Succ(box Succ(box Zero))]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 155 |         vec![Succ(box Succ(Box::new(Zero)))]
[INFO] [stdout]     |                            ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |         vec![Succ(box Succ(box Zero))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 155 |         vec![Succ(Box::new(Succ(box Zero)))]
[INFO] [stdout]     |                   ~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:163:37
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(box Succ(box Succ(box Zero)))]
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(box Succ(box Succ(Box::new(Zero))))]
[INFO] [stdout]     |                                     ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(box Succ(box Succ(box Zero)))]
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(box Succ(Box::new(Succ(box Zero))))]
[INFO] [stdout]     |                            ~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:163:19
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(box Succ(box Succ(box Zero)))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 163 |         vec![Pred(Box::new(Succ(box Succ(box Zero))))]
[INFO] [stdout]     |                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(box True, box False, box True)]
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(Box::new(True), box False, box True)]
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(box True, box False, box True)]
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(box True, Box::new(False), box True)]
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/parser.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(box True, box False, box True)]
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 171 |         vec![If(box True, box False, Box::new(True))]
[INFO] [stdout]     |                                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 box Term::False,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 Box::new(Term::False),
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 box Term::Zero,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 Box::new(Term::Zero),
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:113:47
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 box Term::Pred(box Term::Succ(Box::new(Term::Zero)))
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 box Term::Pred(Box::new(Term::Succ(box Term::Zero)))
[INFO] [stdout]     |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 Box::new(Term::Pred(box Term::Succ(box Term::Zero)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:126:51
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     box Term::Pred(box Term::Succ(Box::new(Term::Zero)))
[INFO] [stdout]     |                                                   ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     box Term::Pred(Box::new(Term::Succ(box Term::Zero)))
[INFO] [stdout]     |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     Box::new(Term::Pred(box Term::Succ(box Term::Zero)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 | /                 box Term::IsZero(
[INFO] [stdout] 126 | |                     box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 127 | |                 ),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 125 ~                 Box::new(Term::IsZero(
[INFO] [stdout] 126 +                     box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 127 ~                 )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 box Term::Zero,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 Box::new(Term::Zero),
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 box Term::Succ(Box::new(Term::Zero))
[INFO] [stdout]     |                                ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 Box::new(Term::Succ(box Term::Zero))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:143:55
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         box Term::Pred(box Term::Succ(Box::new(Term::Zero)))
[INFO] [stdout]     |                                                       ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:143:40
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         box Term::Pred(Box::new(Term::Succ(box Term::Zero)))
[INFO] [stdout]     |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         Box::new(Term::Pred(box Term::Succ(box Term::Zero)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 | /                     box Term::IsZero(
[INFO] [stdout] 143 | |                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 144 | |                     ),
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 142 ~                     Box::new(Term::IsZero(
[INFO] [stdout] 143 +                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 144 ~                     )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     box Term::Zero,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     Box::new(Term::Zero),
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:146:36
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     box Term::Succ(Box::new(Term::Zero))
[INFO] [stdout]     |                                    ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     Box::new(Term::Succ(box Term::Zero))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                 box Term::If(
[INFO] [stdout] 142 | |                     box Term::IsZero(
[INFO] [stdout] 143 | |                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 144 | |                     ),
[INFO] [stdout] 145 | |                     box Term::Zero,
[INFO] [stdout] 146 | |                     box Term::Succ(box Term::Zero)
[INFO] [stdout] 147 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 141 ~                 Box::new(Term::If(
[INFO] [stdout] 142 +                     box Term::IsZero(
[INFO] [stdout] 143 +                         box Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout] 144 +                     ),
[INFO] [stdout] 145 +                     box Term::Zero,
[INFO] [stdout] 146 +                     box Term::Succ(box Term::Zero)
[INFO] [stdout] 147 +                 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 box Term::True,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Box::new(Term::True),
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 box Term::Zero,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 Box::new(Term::Zero),
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 box Term::Succ(Box::new(Term::Zero))
[INFO] [stdout]     |                                ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 box Term::Succ(box Term::Zero)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Box::new(Term::Succ(box Term::Zero))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:173:22
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(box Term::False, box Term::Zero, box one.clone())
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(Box::new(Term::False), box Term::Zero, box one.clone())
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:173:39
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(box Term::False, box Term::Zero, box one.clone())
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(box Term::False, Box::new(Term::Zero), box one.clone())
[INFO] [stdout]     |                                       ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:173:55
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(box Term::False, box Term::Zero, box one.clone())
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Term::If(box Term::False, box Term::Zero, Box::new(one.clone()))
[INFO] [stdout]     |                                                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(box inner_if, box Term::Zero, box one.clone())
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(Box::new(inner_if), box Term::Zero, box one.clone())
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:185:36
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(box inner_if, box Term::Zero, box one.clone())
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(box inner_if, Box::new(Term::Zero), box one.clone())
[INFO] [stdout]     |                                    ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:185:52
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(box inner_if, box Term::Zero, box one.clone())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 185 |             Term::If(box inner_if, box Term::Zero, Box::new(one.clone()))
[INFO] [stdout]     |                                                    ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(box Term::False, box Term::Zero, box one)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(Box::new(Term::False), box Term::Zero, box one)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:187:35
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(box Term::False, box Term::Zero, box one)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(box Term::False, Box::new(Term::Zero), box one)
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:187:51
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(box Term::False, box Term::Zero, box one)
[INFO] [stdout]     |                                                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Term::If(box Term::False, box Term::Zero, Box::new(one))
[INFO] [stdout]     |                                                   ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |         eval1(Term::Pred(box Term::Zero)).ok().unwrap(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 208 |         eval1(Term::Pred(Box::new(Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:216:41
[INFO] [stdout]     |
[INFO] [stdout] 216 |         eval1(Term::Pred(box Term::Succ(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 216 |         eval1(Term::Pred(box Term::Succ(Box::new(Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                                         ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |         eval1(Term::Pred(box Term::Succ(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 216 |         eval1(Term::Pred(Box::new(Term::Succ(box Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     box Term::True,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     Box::new(Term::True),
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:228:36
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     box Term::Succ(box Term::Zero),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     box Term::Succ(Box::new(Term::Zero)),
[INFO] [stdout]     |                                    ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     box Term::Succ(box Term::Zero),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     Box::new(Term::Succ(box Term::Zero)),
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     box Term::False
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     Box::new(Term::False)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 226 | /                 box Term::If(
[INFO] [stdout] 227 | |                     box Term::True,
[INFO] [stdout] 228 | |                     box Term::Succ(box Term::Zero),
[INFO] [stdout] 229 | |                     box Term::False
[INFO] [stdout] 230 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 226 ~                 Box::new(Term::If(
[INFO] [stdout] 227 +                     box Term::True,
[INFO] [stdout] 228 +                     box Term::Succ(box Term::Zero),
[INFO] [stdout] 229 +                     box Term::False
[INFO] [stdout] 230 +                 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:233:35
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Term::Pred(box Term::Succ(Box::new(Term::Zero)))
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Term::Pred(box Term::Succ(box Term::Zero))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Term::Pred(Box::new(Term::Succ(box Term::Zero)))
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:240:28
[INFO] [stdout]     |
[INFO] [stdout] 240 |         eval1(Term::IsZero(box Term::Zero)).ok().unwrap(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 240 |         eval1(Term::IsZero(Box::new(Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                            ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:248:43
[INFO] [stdout]     |
[INFO] [stdout] 248 |         eval1(Term::IsZero(box Term::Succ(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 248 |         eval1(Term::IsZero(box Term::Succ(Box::new(Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:248:28
[INFO] [stdout]     |
[INFO] [stdout] 248 |         eval1(Term::IsZero(box Term::Succ(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 248 |         eval1(Term::IsZero(Box::new(Term::Succ(box Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:256:43
[INFO] [stdout]     |
[INFO] [stdout] 256 |         eval1(Term::IsZero(box Term::Pred(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 256 |         eval1(Term::IsZero(box Term::Pred(Box::new(Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |         eval1(Term::IsZero(box Term::Pred(box Term::Zero))).ok().unwrap(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 256 |         eval1(Term::IsZero(Box::new(Term::Pred(box Term::Zero)))).ok().unwrap(),
[INFO] [stdout]     |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/interpretator.rs:257:22
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Term::IsZero(box Term::Zero)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 257 |         Term::IsZero(Box::new(Term::Zero))
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate libc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn readline(prompt: *const libc::c_char) -> *const libc::c_char;
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn readline(prompt: *const libc::c_char) -> *const libc::c_char;
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn add_history(entry: *const libc::c_char);
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate libc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn readline(prompt: *const libc::c_char) -> *const libc::c_char;
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn readline(prompt: *const libc::c_char) -> *const libc::c_char;
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/repl.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn add_history(entry: *const libc::c_char);
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arith` (bin "arith") due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 79 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arith` (bin "arith" test) due to 80 previous errors
[INFO] running `Command { std: "docker" "inspect" "a03868878cbfe69c45fb7efa02d498c1dd54b1bb9ce608496daffa52cc229683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03868878cbfe69c45fb7efa02d498c1dd54b1bb9ce608496daffa52cc229683", kill_on_drop: false }`
[INFO] [stdout] a03868878cbfe69c45fb7efa02d498c1dd54b1bb9ce608496daffa52cc229683
[INFO] checking meddle0x53/arith-rust against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Farith-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/meddle0x53/arith-rust on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meddle0x53/arith-rust
[INFO] finished tweaking git repo https://github.com/meddle0x53/arith-rust
[INFO] tweaked toml for git repo https://github.com/meddle0x53/arith-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/meddle0x53/arith-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" "+dae34b759e282c069aa28752564694effd121a63" "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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89483dee24264dcfe586dc077beee862d06f72dc2e69c5cb4ebad35b87bcc181
[INFO] running `Command { std: "docker" "start" "-a" "89483dee24264dcfe586dc077beee862d06f72dc2e69c5cb4ebad35b87bcc181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89483dee24264dcfe586dc077beee862d06f72dc2e69c5cb4ebad35b87bcc181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89483dee24264dcfe586dc077beee862d06f72dc2e69c5cb4ebad35b87bcc181", kill_on_drop: false }`
[INFO] [stdout] 89483dee24264dcfe586dc077beee862d06f72dc2e69c5cb4ebad35b87bcc181
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65c3fd3d9d07ce54ec4eae3536b8c2c181afdaadfa0b0a2514e6ad0ae0e951a
[INFO] running `Command { std: "docker" "start" "-a" "f65c3fd3d9d07ce54ec4eae3536b8c2c181afdaadfa0b0a2514e6ad0ae0e951a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "f65c3fd3d9d07ce54ec4eae3536b8c2c181afdaadfa0b0a2514e6ad0ae0e951a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65c3fd3d9d07ce54ec4eae3536b8c2c181afdaadfa0b0a2514e6ad0ae0e951a", kill_on_drop: false }`
[INFO] [stdout] f65c3fd3d9d07ce54ec4eae3536b8c2c181afdaadfa0b0a2514e6ad0ae0e951a