[INFO] cloning repository https://github.com/jwhandley/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/jwhandley/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhandley%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhandley%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb968a994bfffca43c1714e7e6841575de26535b
[INFO] testing jwhandley/lox-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhandley%2Flox-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwhandley/lox-rs
[INFO] finished tweaking git repo https://github.com/jwhandley/lox-rs
[INFO] tweaked toml for git repo https://github.com/jwhandley/lox-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwhandley/lox-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jwhandley/lox-rs 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da482dc7ac24e81bb9b1f4e1b013238db6b48af0760c7d4c01cfea90736d7b4b
[INFO] running `Command { std: "docker" "start" "-a" "da482dc7ac24e81bb9b1f4e1b013238db6b48af0760c7d4c01cfea90736d7b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da482dc7ac24e81bb9b1f4e1b013238db6b48af0760c7d4c01cfea90736d7b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da482dc7ac24e81bb9b1f4e1b013238db6b48af0760c7d4c01cfea90736d7b4b", kill_on_drop: false }`
[INFO] [stdout] da482dc7ac24e81bb9b1f4e1b013238db6b48af0760c7d4c01cfea90736d7b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec98782fb557fc4c6dbebea5601d6a349b71922684c6b3a520d08936798d36a4
[INFO] running `Command { std: "docker" "start" "-a" "ec98782fb557fc4c6dbebea5601d6a349b71922684c6b3a520d08936798d36a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     String(String),
[INFO] [stdout] 24 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Number(f32),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Number(f32),
[INFO] [stdout] 25 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `lexeme`, and `line` are never read
[INFO] [stdout]   --> src/token.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 46 |     token_type: TokenType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 48 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ec98782fb557fc4c6dbebea5601d6a349b71922684c6b3a520d08936798d36a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec98782fb557fc4c6dbebea5601d6a349b71922684c6b3a520d08936798d36a4", kill_on_drop: false }`
[INFO] [stdout] ec98782fb557fc4c6dbebea5601d6a349b71922684c6b3a520d08936798d36a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486a09112127bfc904e5cd6ac063afdf5d6c6c924b40c1f91402772ff3779de4
[INFO] running `Command { std: "docker" "start" "-a" "486a09112127bfc904e5cd6ac063afdf5d6c6c924b40c1f91402772ff3779de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     String(String),
[INFO] [stdout] 24 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Number(f32),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Number(f32),
[INFO] [stdout] 25 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `lexeme`, and `line` are never read
[INFO] [stdout]   --> src/token.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 46 |     token_type: TokenType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     lexeme: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 48 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "486a09112127bfc904e5cd6ac063afdf5d6c6c924b40c1f91402772ff3779de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486a09112127bfc904e5cd6ac063afdf5d6c6c924b40c1f91402772ff3779de4", kill_on_drop: false }`
[INFO] [stdout] 486a09112127bfc904e5cd6ac063afdf5d6c6c924b40c1f91402772ff3779de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa306ae78dc2cd2c1746791538ca9b28ceb63e4c1cfcb5defc49629f238f9bef
[INFO] running `Command { std: "docker" "start" "-a" "fa306ae78dc2cd2c1746791538ca9b28ceb63e4c1cfcb5defc49629f238f9bef", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     String(String),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 24 -     String(String),
[INFO] [stderr] 24 +     String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Number(f32),
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 -     Number(f32),
[INFO] [stderr] 25 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `token_type`, `lexeme`, and `line` are never read
[INFO] [stderr]   --> src/token.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct Token {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 46 |     token_type: TokenType,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 47 |     lexeme: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 48 |     line: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-rs` (bin "lox-rs" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lox_rs-27d3bc35c424ca71)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa306ae78dc2cd2c1746791538ca9b28ceb63e4c1cfcb5defc49629f238f9bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa306ae78dc2cd2c1746791538ca9b28ceb63e4c1cfcb5defc49629f238f9bef", kill_on_drop: false }`
[INFO] [stdout] fa306ae78dc2cd2c1746791538ca9b28ceb63e4c1cfcb5defc49629f238f9bef