[INFO] cloning repository https://github.com/Gabriel2233/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gabriel2233/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel2233%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel2233%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e7453ada0935eb8b095bf2f37e7ea85fa7e7006
[INFO] checking Gabriel2233/rlox against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabriel2233%2Frlox" "/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/Gabriel2233/rlox
[INFO] finished tweaking git repo https://github.com/Gabriel2233/rlox
[INFO] tweaked toml for git repo https://github.com/Gabriel2233/rlox written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gabriel2233/rlox on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gabriel2233/rlox 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c9397d9625896507584904950441796b9fadb20bf5fa3b2e1ff909e7d6dd62
[INFO] running `Command { std: "docker" "start" "-a" "24c9397d9625896507584904950441796b9fadb20bf5fa3b2e1ff909e7d6dd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c9397d9625896507584904950441796b9fadb20bf5fa3b2e1ff909e7d6dd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c9397d9625896507584904950441796b9fadb20bf5fa3b2e1ff909e7d6dd62", kill_on_drop: false }`
[INFO] [stdout] 24c9397d9625896507584904950441796b9fadb20bf5fa3b2e1ff909e7d6dd62
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831569c3efdfbf6e7e8ffc066458f7f454661db1d48c4cebb056f170eb5a9822
[INFO] running `Command { std: "docker" "start" "-a" "831569c3efdfbf6e7e8ffc066458f7f454661db1d48c4cebb056f170eb5a9822", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Slash` and `Eof` are never constructed
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Eof,
[INFO] [stdout]    |     ^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     line: NonZeroUsize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     String_(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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] 74 -     String_(String),
[INFO] [stdout] 74 +     String_(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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] 75 -     Number(f64),
[INFO] [stdout] 75 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]   --> src/token.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Literal {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Bool(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]  --> src/ast.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Expr {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Binary {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Binary {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(left: Expr, operator: Token, right: Expr) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Slash` and `Eof` are never constructed
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Eof,
[INFO] [stdout]    |     ^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     line: NonZeroUsize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     String_(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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] 74 -     String_(String),
[INFO] [stdout] 74 +     String_(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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] 75 -     Number(f64),
[INFO] [stdout] 75 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]   --> src/token.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Literal {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Bool(bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]  --> src/ast.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Expr {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Binary {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Binary {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(left: Expr, operator: Token, right: Expr) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "831569c3efdfbf6e7e8ffc066458f7f454661db1d48c4cebb056f170eb5a9822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831569c3efdfbf6e7e8ffc066458f7f454661db1d48c4cebb056f170eb5a9822", kill_on_drop: false }`
[INFO] [stdout] 831569c3efdfbf6e7e8ffc066458f7f454661db1d48c4cebb056f170eb5a9822
