[INFO] cloning repository https://github.com/ivanrg99/esplang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanrg99/esplang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanrg99%2Fesplang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanrg99%2Fesplang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55decd9756d85778b051d9266352fa3b37aedd81
[INFO] checking ivanrg99/esplang-rs against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanrg99%2Fesplang-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivanrg99/esplang-rs on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivanrg99/esplang-rs
[INFO] finished tweaking git repo https://github.com/ivanrg99/esplang-rs
[INFO] tweaked toml for git repo https://github.com/ivanrg99/esplang-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanrg99/esplang-rs 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8cbdc4dc2e7fc4f59d0c89365cdc0d2d19074db32214f82b4b55ffdf69f0dc1
[INFO] running `Command { std: "docker" "start" "-a" "b8cbdc4dc2e7fc4f59d0c89365cdc0d2d19074db32214f82b4b55ffdf69f0dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cbdc4dc2e7fc4f59d0c89365cdc0d2d19074db32214f82b4b55ffdf69f0dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cbdc4dc2e7fc4f59d0c89365cdc0d2d19074db32214f82b4b55ffdf69f0dc1", kill_on_drop: false }`
[INFO] [stdout] b8cbdc4dc2e7fc4f59d0c89365cdc0d2d19074db32214f82b4b55ffdf69f0dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a2760a6335f91d20e678d7bad7a834631f54b959379ef2ec84f657dcd889a2
[INFO] running `Command { std: "docker" "start" "-a" "e7a2760a6335f91d20e678d7bad7a834631f54b959379ef2ec84f657dcd889a2", kill_on_drop: false }`
[INFO] [stderr]     Checking esplox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `expression` is never used
[INFO] [stdout]   --> src/expressions.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl GroupingExpr {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn expression(&self) -> &Expr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/expressions.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl LiteralExpr {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn value(&self) -> &Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `right` and `operator` are never used
[INFO] [stdout]   --> src/expressions.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl UnaryExpr {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn right(&self) -> &Expr {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn operator(&self) -> &Token {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]    --> src/lexer.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct TokensAndSrc {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 267 |     pub tokens: Vec<Token>,
[INFO] [stdout] 268 |     pub src: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 149 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression` is never used
[INFO] [stdout]   --> src/expressions.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl GroupingExpr {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn expression(&self) -> &Expr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> src/expressions.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl LiteralExpr {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn value(&self) -> &Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `right` and `operator` are never used
[INFO] [stdout]   --> src/expressions.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl UnaryExpr {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn right(&self) -> &Expr {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn operator(&self) -> &Token {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]    --> src/lexer.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct TokensAndSrc {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 267 |     pub tokens: Vec<Token>,
[INFO] [stdout] 268 |     pub src: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 149 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "e7a2760a6335f91d20e678d7bad7a834631f54b959379ef2ec84f657dcd889a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a2760a6335f91d20e678d7bad7a834631f54b959379ef2ec84f657dcd889a2", kill_on_drop: false }`
[INFO] [stdout] e7a2760a6335f91d20e678d7bad7a834631f54b959379ef2ec84f657dcd889a2