[INFO] cloning repository https://github.com/skar45/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skar45/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskar45%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskar45%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb91cf06a1e3679685d684e5fcb1347a78f968d
[INFO] checking skar45/rlox against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskar45%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] validating manifest of git repo https://github.com/skar45/rlox on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skar45/rlox
[INFO] finished tweaking git repo https://github.com/skar45/rlox
[INFO] tweaked toml for git repo https://github.com/skar45/rlox written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/skar45/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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e66453402106a79cb3e8e644e67857b7c03cda725923234e9ee730786a398ef
[INFO] running `Command { std: "docker" "start" "-a" "1e66453402106a79cb3e8e644e67857b7c03cda725923234e9ee730786a398ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e66453402106a79cb3e8e644e67857b7c03cda725923234e9ee730786a398ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e66453402106a79cb3e8e644e67857b7c03cda725923234e9ee730786a398ef", kill_on_drop: false }`
[INFO] [stdout] 1e66453402106a79cb3e8e644e67857b7c03cda725923234e9ee730786a398ef
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d034b75c3c67dd88d653b6b4c4fcb9a7e0d5e765300b76166baeb1cef9d3ccc9
[INFO] running `Command { std: "docker" "start" "-a" "d034b75c3c67dd88d653b6b4c4fcb9a7e0d5e765300b76166baeb1cef9d3ccc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rlox-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/resolver/mod.rs:248:32
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn resolve_this(&mut self, expr: &This) -> ResolveResult {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/resolver/mod.rs:248:32
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn resolve_this(&mut self, expr: &This) -> ResolveResult {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/ast/expr.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 108 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Function` is never constructed
[INFO] [stdout]   --> src/resolver/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum FunctionType {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 25 |     None,
[INFO] [stdout] 26 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Continue` is never constructed
[INFO] [stdout]   --> src/token/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: variant `Function` is never constructed
[INFO] [stdout]   --> src/resolver/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum FunctionType {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 25 |     None,
[INFO] [stdout] 26 |     Function,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Continue` is never constructed
[INFO] [stdout]   --> src/token/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Continue,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "d034b75c3c67dd88d653b6b4c4fcb9a7e0d5e765300b76166baeb1cef9d3ccc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d034b75c3c67dd88d653b6b4c4fcb9a7e0d5e765300b76166baeb1cef9d3ccc9", kill_on_drop: false }`
[INFO] [stdout] d034b75c3c67dd88d653b6b4c4fcb9a7e0d5e765300b76166baeb1cef9d3ccc9