[INFO] cloning repository https://github.com/chris-oo/crafting-interpreters-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chris-oo/crafting-interpreters-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0358390d2d6489a9203e2bc16403bcb602c7a5cb
[INFO] checking chris-oo/crafting-interpreters-rust against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchris-oo%2Fcrafting-interpreters-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chris-oo/crafting-interpreters-rust on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chris-oo/crafting-interpreters-rust
[INFO] finished tweaking git repo https://github.com/chris-oo/crafting-interpreters-rust
[INFO] tweaked toml for git repo https://github.com/chris-oo/crafting-interpreters-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chris-oo/crafting-interpreters-rust 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded totems v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 609ece03b2c1e679480966a4018c6cc808dd766fd1fd44e867e13169cac008c0
[INFO] running `Command { std: "docker" "start" "-a" "609ece03b2c1e679480966a4018c6cc808dd766fd1fd44e867e13169cac008c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "609ece03b2c1e679480966a4018c6cc808dd766fd1fd44e867e13169cac008c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609ece03b2c1e679480966a4018c6cc808dd766fd1fd44e867e13169cac008c0", kill_on_drop: false }`
[INFO] [stdout] 609ece03b2c1e679480966a4018c6cc808dd766fd1fd44e867e13169cac008c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5a3051621c15adefb6bbc8327e28111140642e75786fd38490a11d300c9aa04
[INFO] running `Command { std: "docker" "start" "-a" "a5a3051621c15adefb6bbc8327e28111140642e75786fd38490a11d300c9aa04", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking totems v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:265:26
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:272:26
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:315:28
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:376:26
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:265:26
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:272:26
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:315:28
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:376:26
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/chunk.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_string` is never used
[INFO] [stdout]    --> src/lox_string_table.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl LoxStringTable {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn remove_string(&mut self, string: &LoxString) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/chunk.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_check_keyword` is never used
[INFO] [stdout]    --> src/scanner.rs:491:8
[INFO] [stdout]     |
[INFO] [stdout] 491 |     fn test_check_keyword() {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keywords_test` is never used
[INFO] [stdout]    --> src/scanner.rs:519:8
[INFO] [stdout]     |
[INFO] [stdout] 519 |     fn keywords_test() {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "a5a3051621c15adefb6bbc8327e28111140642e75786fd38490a11d300c9aa04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a3051621c15adefb6bbc8327e28111140642e75786fd38490a11d300c9aa04", kill_on_drop: false }`
[INFO] [stdout] a5a3051621c15adefb6bbc8327e28111140642e75786fd38490a11d300c9aa04
