[INFO] cloning repository https://github.com/jeevcat/clox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeevcat/clox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeevcat%2Fclox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeevcat%2Fclox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58f006824df2d03ea122762272dedf6561415ab3
[INFO] testing jeevcat/clox against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeevcat%2Fclox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeevcat/clox
[INFO] finished tweaking git repo https://github.com/jeevcat/clox
[INFO] tweaked toml for git repo https://github.com/jeevcat/clox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeevcat/clox on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeevcat/clox 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3e43d5bf62897eb5510d3d7ace3b92ba80d9572a759d8bd3e284d4fdfd4ed14
[INFO] running `Command { std: "docker" "start" "-a" "d3e43d5bf62897eb5510d3d7ace3b92ba80d9572a759d8bd3e284d4fdfd4ed14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e43d5bf62897eb5510d3d7ace3b92ba80d9572a759d8bd3e284d4fdfd4ed14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e43d5bf62897eb5510d3d7ace3b92ba80d9572a759d8bd3e284d4fdfd4ed14", kill_on_drop: false }`
[INFO] [stdout] d3e43d5bf62897eb5510d3d7ace3b92ba80d9572a759d8bd3e284d4fdfd4ed14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a268e4a3ae6004db524f93d044b470f1b15d630323bbfbd8f1198e033c66a31
[INFO] running `Command { std: "docker" "start" "-a" "3a268e4a3ae6004db524f93d044b470f1b15d630323bbfbd8f1198e033c66a31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.5
[INFO] [stderr]    Compiling num_enum v0.5.5
[INFO] [stderr]    Compiling clox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Upvalue` is never constructed
[INFO] [stdout]    --> src/compiler.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub struct Upvalue {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/obj.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct LoxString {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 27 |     pub header: ObjHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/obj.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 69 |     pub header: ObjHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct NativeFunction {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 103 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Closure {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 124 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Upvalue {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 147 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct Class {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 189 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct Instance {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 211 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct BoundMethod {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 233 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/compiler.rs:149:22
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn get_local(&self) -> &Local {
[INFO] [stdout]     |                      ^^^^^     ------
[INFO] [stdout]     |                      |         ||
[INFO] [stdout]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      |         the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn get_local(&self) -> &Local<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:711:21
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn pop_compiler(&mut self) -> Compiler {
[INFO] [stdout]     |                     ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn pop_compiler(&mut self) -> Compiler<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.84s
[INFO] running `Command { std: "docker" "inspect" "3a268e4a3ae6004db524f93d044b470f1b15d630323bbfbd8f1198e033c66a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a268e4a3ae6004db524f93d044b470f1b15d630323bbfbd8f1198e033c66a31", kill_on_drop: false }`
[INFO] [stdout] 3a268e4a3ae6004db524f93d044b470f1b15d630323bbfbd8f1198e033c66a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 198461a2eb7cdde26ee531159733cc34856e8e233ee91a92abaf96557cf55a95
[INFO] running `Command { std: "docker" "start" "-a" "198461a2eb7cdde26ee531159733cc34856e8e233ee91a92abaf96557cf55a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling clox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Upvalue` is never constructed
[INFO] [stdout]    --> src/compiler.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub struct Upvalue {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct NativeFunction {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 103 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Closure {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 124 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Upvalue {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 147 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct Class {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 189 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct Instance {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 211 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/obj.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct BoundMethod {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 233 |     pub header: ObjHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/compiler.rs:149:22
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn get_local(&self) -> &Local {
[INFO] [stdout]     |                      ^^^^^     ------
[INFO] [stdout]     |                      |         ||
[INFO] [stdout]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      |         the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn get_local(&self) -> &Local<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:711:21
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn pop_compiler(&mut self) -> Compiler {
[INFO] [stdout]     |                     ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn pop_compiler(&mut self) -> Compiler<'_> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "198461a2eb7cdde26ee531159733cc34856e8e233ee91a92abaf96557cf55a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198461a2eb7cdde26ee531159733cc34856e8e233ee91a92abaf96557cf55a95", kill_on_drop: false }`
[INFO] [stdout] 198461a2eb7cdde26ee531159733cc34856e8e233ee91a92abaf96557cf55a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a4ed7cc613b9ada3c243cded4b2102a87c03c1668d77bbc0b58ef32ee3d79e9
[INFO] running `Command { std: "docker" "start" "-a" "4a4ed7cc613b9ada3c243cded4b2102a87c03c1668d77bbc0b58ef32ee3d79e9", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Upvalue` is never constructed
[INFO] [stderr]    --> src/compiler.rs:202:12
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub struct Upvalue {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub struct NativeFunction {
[INFO] [stderr]     |            -------------- field in this struct
[INFO] [stderr] 103 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub struct Closure {
[INFO] [stderr]     |            ------- field in this struct
[INFO] [stderr] 124 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Upvalue {
[INFO] [stderr]     |            ------- field in this struct
[INFO] [stderr] 147 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub struct Class {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 189 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub struct Instance {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] 211 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/obj.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub struct BoundMethod {
[INFO] [stderr]     |            ----------- field in this struct
[INFO] [stderr] 233 |     pub header: ObjHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/compiler.rs:149:22
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn get_local(&self) -> &Local {
[INFO] [stderr]     |                      ^^^^^     ------
[INFO] [stderr]     |                      |         ||
[INFO] [stderr]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stderr]     |                      |         the lifetimes get resolved as `'_`
[INFO] [stderr]     |                      this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn get_local(&self) -> &Local<'_> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/parser.rs:711:21
[INFO] [stderr]     |
[INFO] [stderr] 711 |     fn pop_compiler(&mut self) -> Compiler {
[INFO] [stderr]     |                     ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 711 |     fn pop_compiler(&mut self) -> Compiler<'_> {
[INFO] [stderr]     |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `clox` (bin "clox" test) generated 9 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clox-7a4f5e4a6f91f527)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr] error: test failed, to rerun pass `--bin clox`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/clox-7a4f5e4a6f91f527` (signal: 4, SIGILL: illegal instruction)
[INFO] running `Command { std: "docker" "inspect" "4a4ed7cc613b9ada3c243cded4b2102a87c03c1668d77bbc0b58ef32ee3d79e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4ed7cc613b9ada3c243cded4b2102a87c03c1668d77bbc0b58ef32ee3d79e9", kill_on_drop: false }`
[INFO] [stdout] 4a4ed7cc613b9ada3c243cded4b2102a87c03c1668d77bbc0b58ef32ee3d79e9
