[INFO] cloning repository https://github.com/andars/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andars/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandars%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandars%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0f51ce05c64faedf608f2371a27cd241f18480e
[INFO] checking andars/rust-calculator/f0f51ce05c64faedf608f2371a27cd241f18480e against try#88e773be5b0a68392bd25d47edd909e9b2d64a6a for pr-132268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandars%2Frust-calculator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andars/rust-calculator on toolchain 88e773be5b0a68392bd25d47edd909e9b2d64a6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andars/rust-calculator
[INFO] finished tweaking git repo https://github.com/andars/rust-calculator
[INFO] tweaked toml for git repo https://github.com/andars/rust-calculator written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andars/rust-calculator 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" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c59536d4fec4b1263174444046c320d70572ef25891ce3caea62b374a3590e
[INFO] running `Command { std: "docker" "start" "-a" "13c59536d4fec4b1263174444046c320d70572ef25891ce3caea62b374a3590e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c59536d4fec4b1263174444046c320d70572ef25891ce3caea62b374a3590e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c59536d4fec4b1263174444046c320d70572ef25891ce3caea62b374a3590e", kill_on_drop: false }`
[INFO] [stdout] 13c59536d4fec4b1263174444046c320d70572ef25891ce3caea62b374a3590e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+88e773be5b0a68392bd25d47edd909e9b2d64a6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8386cf0853a260a309d2a86e4163e2b04b26e976ebe73ea56cce7a6c45eb8c7e
[INFO] running `Command { std: "docker" "start" "-a" "8386cf0853a260a309d2a86e4163e2b04b26e976ebe73ea56cce7a6c45eb8c7e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking rust-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut lhs = try!(self.atom());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.next_token());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut lhs = try!(self.atom());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let curr = try!(self.peek_token());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.next_token());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |         match try!(self.peek_token()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let curr = try!(self.peek_token());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(self.expect('('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 try!(self.expect(')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let e = try!(self.expr(1));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |         match try!(self.peek_token()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(self.expect('('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 match try!(self.peek_token()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         try!(self.expect('('));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 try!(self.expect(')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         try!(self.expect(')'));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let e = try!(self.expr(1));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let e = try!(self.expr(1));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:89:33
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   try!(self.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   try!(self.expect('='));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 match try!(self.peek_token()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 | ...                   let expr = try!(self.expr(1));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         try!(self.expect('('));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         try!(self.expect(')'));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.next_token());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:188:32
[INFO] [stdout]     |
[INFO] [stdout] 188 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let e = try!(self.expr(1));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:89:33
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   try!(self.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.current = try!(self.lexer.next_token());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   try!(self.expect('='));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ast = try!(p.parse());
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 | ...                   let expr = try!(self.expr(1));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.next_token());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:188:32
[INFO] [stdout]     |
[INFO] [stdout] 188 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.current = try!(self.lexer.next_token());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ast = try!(p.parse());
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<dyn Node>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub right: Box<dyn Node>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<dyn Node>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub left: Box<dyn Node>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub right: Box<dyn Node>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-calculator` (bin "rust-calculator"); 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/88e773be5b0a68392bd25d47edd909e9b2d64a6a/bin/rustc --crate-name rust_calculator --edition=2015 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=62617589e3ca5676 -C extra-filename=-62617589e3ca5676 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-calculator` (bin "rust-calculator" test); 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/88e773be5b0a68392bd25d47edd909e9b2d64a6a/bin/rustc --crate-name rust_calculator --edition=2015 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=6a50a111d1874e98 -C extra-filename=-6a50a111d1874e98 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8386cf0853a260a309d2a86e4163e2b04b26e976ebe73ea56cce7a6c45eb8c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8386cf0853a260a309d2a86e4163e2b04b26e976ebe73ea56cce7a6c45eb8c7e", kill_on_drop: false }`
[INFO] [stdout] 8386cf0853a260a309d2a86e4163e2b04b26e976ebe73ea56cce7a6c45eb8c7e