[INFO] cloning repository https://github.com/sqwxl/rox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sqwxl/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqwxl%2Frox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqwxl%2Frox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f217f27840cba4223d86e139e6d28cfa9c546ea5
[INFO] testing sqwxl/rox against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqwxl%2Frox" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sqwxl/rox on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sqwxl/rox
[INFO] finished tweaking git repo https://github.com/sqwxl/rox
[INFO] tweaked toml for git repo https://github.com/sqwxl/rox written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sqwxl/rox 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad6ac9a7871323672e215ad4f3a09a2f66788ad14948e0b769b973948d65f5ae
[INFO] running `Command { std: "docker" "start" "-a" "ad6ac9a7871323672e215ad4f3a09a2f66788ad14948e0b769b973948d65f5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad6ac9a7871323672e215ad4f3a09a2f66788ad14948e0b769b973948d65f5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6ac9a7871323672e215ad4f3a09a2f66788ad14948e0b769b973948d65f5ae", kill_on_drop: false }`
[INFO] [stdout] ad6ac9a7871323672e215ad4f3a09a2f66788ad14948e0b769b973948d65f5ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f54b52cdb79e1cf3bed9a9d3b820dec7475915addf958233989cd4363ebf355
[INFO] running `Command { std: "docker" "start" "-a" "0f54b52cdb79e1cf3bed9a9d3b820dec7475915addf958233989cd4363ebf355", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/lexer/token.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Parser {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     tokens: Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Expr {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rhs` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Rhs<O, T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equality` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Equality {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EquaityOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum EquaityOp {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comparison` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Comparison {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComparisonOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum ComparisonOp {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Term` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Term {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TermOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum TermOp {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Factor` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Factor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FactorOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum FactorOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Unary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub enum Unary {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Primary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub enum Primary {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grouping` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Grouping {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "0f54b52cdb79e1cf3bed9a9d3b820dec7475915addf958233989cd4363ebf355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f54b52cdb79e1cf3bed9a9d3b820dec7475915addf958233989cd4363ebf355", kill_on_drop: false }`
[INFO] [stdout] 0f54b52cdb79e1cf3bed9a9d3b820dec7475915addf958233989cd4363ebf355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc0b56e23bdb23b2bb669de8d03d0daa9e3d4e6fc4d7be459b76f7c8cb9dbf6
[INFO] running `Command { std: "docker" "start" "-a" "fbc0b56e23bdb23b2bb669de8d03d0daa9e3d4e6fc4d7be459b76f7c8cb9dbf6", kill_on_drop: false }`
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/lexer/token.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Parser {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     tokens: Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Expr {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rhs` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Rhs<O, T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equality` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Equality {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EquaityOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum EquaityOp {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comparison` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Comparison {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComparisonOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum ComparisonOp {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Term` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Term {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TermOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum TermOp {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Factor` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Factor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FactorOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum FactorOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Unary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub enum Unary {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Primary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub enum Primary {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grouping` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Grouping {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/lexer/token.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     line: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Parser {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     tokens: Vec<Token>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expr` is never constructed
[INFO] [stdout]  --> src/parser/grammar.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Expr {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rhs` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Rhs<O, T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equality` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Equality {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EquaityOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum EquaityOp {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comparison` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Comparison {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ComparisonOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum ComparisonOp {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Term` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Term {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TermOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum TermOp {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Factor` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Factor {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FactorOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum FactorOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Unary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub enum Unary {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Primary` is never used
[INFO] [stdout]   --> src/parser/grammar.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub enum Primary {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grouping` is never constructed
[INFO] [stdout]   --> src/parser/grammar.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Grouping {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "fbc0b56e23bdb23b2bb669de8d03d0daa9e3d4e6fc4d7be459b76f7c8cb9dbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc0b56e23bdb23b2bb669de8d03d0daa9e3d4e6fc4d7be459b76f7c8cb9dbf6", kill_on_drop: false }`
[INFO] [stdout] fbc0b56e23bdb23b2bb669de8d03d0daa9e3d4e6fc4d7be459b76f7c8cb9dbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/f6c621e87b0ed56607e3de3cb1bb1603df966ab6c5eafd2d0b443e0ca99acd91: no space left on device