[INFO] cloning repository https://github.com/AntonioCarta/dragon_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonioCarta/dragon_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonioCarta%2Fdragon_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonioCarta%2Fdragon_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63446519197371c6da920314494ad8a50b072833
[INFO] testing AntonioCarta/dragon_compiler against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonioCarta%2Fdragon_compiler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AntonioCarta/dragon_compiler
[INFO] finished tweaking git repo https://github.com/AntonioCarta/dragon_compiler
[INFO] tweaked toml for git repo https://github.com/AntonioCarta/dragon_compiler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AntonioCarta/dragon_compiler on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AntonioCarta/dragon_compiler 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a499f7edbdc87790ba4c0d19889896ec74188a6adb9b3637bac59d2c2fd1e8
[INFO] running `Command { std: "docker" "start" "-a" "31a499f7edbdc87790ba4c0d19889896ec74188a6adb9b3637bac59d2c2fd1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a499f7edbdc87790ba4c0d19889896ec74188a6adb9b3637bac59d2c2fd1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a499f7edbdc87790ba4c0d19889896ec74188a6adb9b3637bac59d2c2fd1e8", kill_on_drop: false }`
[INFO] [stdout] 31a499f7edbdc87790ba4c0d19889896ec74188a6adb9b3637bac59d2c2fd1e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b49a9bfc2c492fce0bd2cca3b107156d653ce63faa0e38e056fd2906e4f41967
[INFO] running `Command { std: "docker" "start" "-a" "b49a9bfc2c492fce0bd2cca3b107156d653ce63faa0e38e056fd2906e4f41967", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling mini_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             '0' ... '9' => self.scan_number(),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             'a' ... 'z' |
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             'A' ... 'Z' => self.scan_iden_keyword(),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/parser.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse(& mut Parser) -> Box<Self>;
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: & mut Parser`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/code_generator.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         (n - 1)
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -         (n - 1)
[INFO] [stdout] 83 +         n - 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddressMode` and `Address`
[INFO] [stdout]  --> src/interpreter.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
[INFO] [stdout]   |                              ^^^^^^^^^^^               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/interpreter.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stdout]    |                                                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stdout] 33 +                 OpCode::IsPos   => self.regs[res] = if x > 0 {1} else {0},
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/interpreter.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stdout]    |                                                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 34 -                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stdout] 34 +                 OpCode::IsNeg   => self.regs[res] = if x < 0 {1} else {0},
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lexer.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Scanner {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 148 |     pub fn new() -> Scanner {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/code_generator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct AddressCode {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 59 |         id  : i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]  --> src/interpreter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Interpreter {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     code      : Vec<AddressCode>,
[INFO] [stdout] 5 |     stack     : Vec<i32>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lexer.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn to_cow_string(&self) -> Cow<str> {
[INFO] [stdout]    |                          ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn to_cow_string(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "b49a9bfc2c492fce0bd2cca3b107156d653ce63faa0e38e056fd2906e4f41967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49a9bfc2c492fce0bd2cca3b107156d653ce63faa0e38e056fd2906e4f41967", kill_on_drop: false }`
[INFO] [stdout] b49a9bfc2c492fce0bd2cca3b107156d653ce63faa0e38e056fd2906e4f41967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e536949cc2ec3c698d2eebdc0576e020437aeb4a00ebbd144f86feb7bf150756
[INFO] running `Command { std: "docker" "start" "-a" "e536949cc2ec3c698d2eebdc0576e020437aeb4a00ebbd144f86feb7bf150756", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling mini_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |             '0' ... '9' => self.scan_number(),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             'a' ... 'z' |
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             'A' ... 'Z' => self.scan_iden_keyword(),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/parser.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse(& mut Parser) -> Box<Self>;
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: & mut Parser`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scanner`
[INFO] [stdout]  --> src/test/lexer_test.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lexer::{Scanner};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/code_generator.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         (n - 1)
[INFO] [stdout]    |         ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -         (n - 1)
[INFO] [stdout] 83 +         n - 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddressMode` and `Address`
[INFO] [stdout]  --> src/interpreter.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
[INFO] [stdout]   |                              ^^^^^^^^^^^               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/interpreter.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stdout]    |                                                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stdout] 33 +                 OpCode::IsPos   => self.regs[res] = if x > 0 {1} else {0},
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/interpreter.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stdout]    |                                                     ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 34 -                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stdout] 34 +                 OpCode::IsNeg   => self.regs[res] = if x < 0 {1} else {0},
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lexer.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Scanner {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 148 |     pub fn new() -> Scanner {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SAst` is never used
[INFO] [stdout]  --> src/test/parser_test.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     type SAst = Box<S>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/test/parser_test.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn add(e1 : NAst, e2 : NAst) -> NAst { nbox(N::Add(e1, e2)) }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/code_generator.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct AddressCode {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 59 |         id  : i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]  --> src/interpreter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Interpreter {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     code      : Vec<AddressCode>,
[INFO] [stdout] 5 |     stack     : Vec<i32>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lexer.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn to_cow_string(&self) -> Cow<str> {
[INFO] [stdout]    |                          ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn to_cow_string(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "e536949cc2ec3c698d2eebdc0576e020437aeb4a00ebbd144f86feb7bf150756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e536949cc2ec3c698d2eebdc0576e020437aeb4a00ebbd144f86feb7bf150756", kill_on_drop: false }`
[INFO] [stdout] e536949cc2ec3c698d2eebdc0576e020437aeb4a00ebbd144f86feb7bf150756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8b137501ad595558b1f06b6e13e87863a59fa4692ace4c6ff0d39ce5e33a8d2
[INFO] running `Command { std: "docker" "start" "-a" "e8b137501ad595558b1f06b6e13e87863a59fa4692ace4c6ff0d39ce5e33a8d2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             '0' ... '9' => self.scan_number(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             'a' ... 'z' |
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             'A' ... 'Z' => self.scan_iden_keyword(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/parser.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse(& mut Parser) -> Box<Self>;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: & mut Parser`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scanner`
[INFO] [stderr]  --> src/test/lexer_test.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use lexer::{Scanner};
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/code_generator.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         (n - 1)
[INFO] [stderr]    |         ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 83 -         (n - 1)
[INFO] [stderr] 83 +         n - 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddressMode` and `Address`
[INFO] [stderr]  --> src/interpreter.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
[INFO] [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/interpreter.rs:33:53
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stderr]    |                                                     ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 33 -                 OpCode::IsPos   => self.regs[res] = {if x > 0 {1} else {0}},
[INFO] [stderr] 33 +                 OpCode::IsPos   => self.regs[res] = if x > 0 {1} else {0},
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/interpreter.rs:34:53
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stderr]    |                                                     ^                     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 34 -                 OpCode::IsNeg   => self.regs[res] = {if x < 0 {1} else {0}},
[INFO] [stderr] 34 +                 OpCode::IsNeg   => self.regs[res] = if x < 0 {1} else {0},
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/lexer.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 147 | impl Scanner {
[INFO] [stderr]     | ------------ associated function in this implementation
[INFO] [stderr] 148 |     pub fn new() -> Scanner {
[INFO] [stderr]     |            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `SAst` is never used
[INFO] [stderr]  --> src/test/parser_test.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |     type SAst = Box<S>;
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]   --> src/test/parser_test.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn add(e1 : NAst, e2 : NAst) -> NAst { nbox(N::Add(e1, e2)) }
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/code_generator.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct AddressCode {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 59 |         id  : i32,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `stack` is never read
[INFO] [stderr]  --> src/interpreter.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Interpreter {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 4 |     code      : Vec<AddressCode>,
[INFO] [stderr] 5 |     stack     : Vec<i32>,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/lexer.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn to_cow_string(&self) -> Cow<str> {
[INFO] [stderr]    |                          ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn to_cow_string(&self) -> Cow<'_, str> {
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_compiler` (bin "mini_compiler" test) generated 15 warnings (run `cargo fix --bin "mini_compiler" --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_compiler-71104f36ddb263c8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::parser_test::test::decl_test ... ok
[INFO] [stdout] test test::parser_test::test::numexpr_test ... ok
[INFO] [stdout] test test::parser_test::test::bool_test ... ok
[INFO] [stdout] test test::lexer_test::test::basic_test ... ok
[INFO] [stdout] test test::parser_test::test::prog_test ... ok
[INFO] [stdout] test test::parser_test::test::stmt_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8b137501ad595558b1f06b6e13e87863a59fa4692ace4c6ff0d39ce5e33a8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b137501ad595558b1f06b6e13e87863a59fa4692ace4c6ff0d39ce5e33a8d2", kill_on_drop: false }`
[INFO] [stdout] e8b137501ad595558b1f06b6e13e87863a59fa4692ace4c6ff0d39ce5e33a8d2
