[INFO] cloning repository https://github.com/tdbgamer/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdbgamer/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 292e171043bd2d69bc71b1e1fd0637c940e7d976
[INFO] testing tdbgamer/lox-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdbgamer%2Flox-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tdbgamer/lox-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tdbgamer/lox-rs
[INFO] finished tweaking git repo https://github.com/tdbgamer/lox-rs
[INFO] tweaked toml for git repo https://github.com/tdbgamer/lox-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tdbgamer/lox-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.15
[INFO] [stderr]   Downloaded derive-new v0.5.6
[INFO] [stderr]   Downloaded structopt-derive v0.2.15
[INFO] [stderr]   Downloaded cons-list v0.0.3
[INFO] [stderr]   Downloaded syn v0.15.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d450f22a17ddb6e979fcbf7550b15a691b0cf86c5b30ab3f4dace596376a81ed
[INFO] running `Command { std: "docker" "start" "-a" "d450f22a17ddb6e979fcbf7550b15a691b0cf86c5b30ab3f4dace596376a81ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d450f22a17ddb6e979fcbf7550b15a691b0cf86c5b30ab3f4dace596376a81ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d450f22a17ddb6e979fcbf7550b15a691b0cf86c5b30ab3f4dace596376a81ed", kill_on_drop: false }`
[INFO] [stdout] d450f22a17ddb6e979fcbf7550b15a691b0cf86c5b30ab3f4dace596376a81ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc28a90c61498f8ed53993434451c039cc51639cfcbdbf989fc5ea2812507f65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc28a90c61498f8ed53993434451c039cc51639cfcbdbf989fc5ea2812507f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling cons-list v0.0.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parser::parse_tokens`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::parser::parse_tokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::scan_tokens`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lexer::scan_tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/ast_interpreter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 (first @ '0'...'9', second) => handle_number(
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:98:52
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stdout]    |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:120:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:61:54
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:61:78
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:70:58
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:70:86
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:73:58
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:73:66
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:76:65
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `locals`
[INFO] [stdout]  --> src/stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     locals: HashMap<String, LoxType>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.86s
[INFO] running `Command { std: "docker" "inspect" "fc28a90c61498f8ed53993434451c039cc51639cfcbdbf989fc5ea2812507f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc28a90c61498f8ed53993434451c039cc51639cfcbdbf989fc5ea2812507f65", kill_on_drop: false }`
[INFO] [stdout] fc28a90c61498f8ed53993434451c039cc51639cfcbdbf989fc5ea2812507f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bcef28db50545d904cad1aee850bc4c6ed8ad1a1292b65618a15ecb8ade22a9
[INFO] running `Command { std: "docker" "start" "-a" "3bcef28db50545d904cad1aee850bc4c6ed8ad1a1292b65618a15ecb8ade22a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parser::parse_tokens`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::parser::parse_tokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::scan_tokens`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lexer::scan_tokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/ast_interpreter.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 (first @ '0'...'9', second) => handle_number(
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:98:52
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stdout]    |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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:120:20
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: unused import: `std::io::Cursor`
[INFO] [stdout]    --> src/lexer.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:61:54
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:61:78
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:70:58
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:70:86
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:73:58
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:73:66
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/ast_interpreter.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]   --> src/ast_interpreter.rs:76:65
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stdout]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `locals`
[INFO] [stdout]  --> src/stack.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     locals: HashMap<String, LoxType>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "3bcef28db50545d904cad1aee850bc4c6ed8ad1a1292b65618a15ecb8ade22a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcef28db50545d904cad1aee850bc4c6ed8ad1a1292b65618a15ecb8ade22a9", kill_on_drop: false }`
[INFO] [stdout] 3bcef28db50545d904cad1aee850bc4c6ed8ad1a1292b65618a15ecb8ade22a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 475bc7f6472a1cf60f4beac6618af2f301a10743fba55451591522a3afa64ce4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "475bc7f6472a1cf60f4beac6618af2f301a10743fba55451591522a3afa64ce4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `crate::parser::parse_tokens`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::parser::parse_tokens;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexer::scan_tokens`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use lexer::scan_tokens;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/ast_interpreter.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:91:29
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 (first @ '0'...'9', second) => handle_number(
[INFO] [stderr]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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:98:52
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 (lett @ 'a'...'z', _) | (lett @ 'A'...'Z', _) => {
[INFO] [stderr]    |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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:120:20
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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:120:32
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stderr]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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:120:44
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 'a'...'z' | 'A'...'Z' | '0'...'9' => identifier_lit.push(first),
[INFO] [stderr]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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: unused import: `std::io::Cursor`
[INFO] [stderr]    --> src/lexer.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |     use std::io::Cursor;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/ast_interpreter.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/ast_interpreter.rs:61:78
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...                   (LoxType::Number(first), LoxType::Number(second)) => {
[INFO] [stderr]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/ast_interpreter.rs:70:58
[INFO] [stderr]    |
[INFO] [stderr] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stderr]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/ast_interpreter.rs:70:86
[INFO] [stderr]    |
[INFO] [stderr] 70 | ...                   (LoxType::Identifier(first), LoxType::Identifier(second)) => {
[INFO] [stderr]    |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/ast_interpreter.rs:73:58
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stderr]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/ast_interpreter.rs:73:66
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...                   (LoxType::Identifier(first), second) => {
[INFO] [stderr]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/ast_interpreter.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/ast_interpreter.rs:76:65
[INFO] [stderr]    |
[INFO] [stderr] 76 | ...                   (first, LoxType::Identifier(second)) => {
[INFO] [stderr]    |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `locals`
[INFO] [stderr]  --> src/stack.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     locals: HashMap<String, LoxType>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-rs` (bin "lox-rs" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox_rs-82e6a308519cd90b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lexer::test::test_comments ... ok
[INFO] [stdout] test lexer::test::test_identifier ... ok
[INFO] [stdout] test lexer::test::test_good_numbers ... ok
[INFO] [stdout] test lexer::test::test_line_number ... ok
[INFO] [stdout] test lexer::test::test_invalid_number ... ok
[INFO] [stdout] test lexer::test::test_string_double_eq_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "475bc7f6472a1cf60f4beac6618af2f301a10743fba55451591522a3afa64ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475bc7f6472a1cf60f4beac6618af2f301a10743fba55451591522a3afa64ce4", kill_on_drop: false }`
[INFO] [stdout] 475bc7f6472a1cf60f4beac6618af2f301a10743fba55451591522a3afa64ce4