[INFO] cloning repository https://github.com/golergka/rs-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golergka/rs-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b73fe452596e438755ee282947f3d3d95e0a4c28
[INFO] checking golergka/rs-lox against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolergka%2Frs-lox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golergka/rs-lox on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/golergka/rs-lox
[INFO] finished tweaking git repo https://github.com/golergka/rs-lox
[INFO] tweaked toml for git repo https://github.com/golergka/rs-lox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/golergka/rs-lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f47829c2f4b387e3b41e42cff1463d33df945150f47d7293a7d3af49a8d56e96
[INFO] running `Command { std: "docker" "start" "-a" "f47829c2f4b387e3b41e42cff1463d33df945150f47d7293a7d3af49a8d56e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47829c2f4b387e3b41e42cff1463d33df945150f47d7293a7d3af49a8d56e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47829c2f4b387e3b41e42cff1463d33df945150f47d7293a7d3af49a8d56e96", kill_on_drop: false }`
[INFO] [stdout] f47829c2f4b387e3b41e42cff1463d33df945150f47d7293a7d3af49a8d56e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6140d90526e359b1f10ea87ee7fec8665e8b3672d68715af34f15951022bf3e
[INFO] running `Command { std: "docker" "start" "-a" "e6140d90526e359b1f10ea87ee7fec8665e8b3672d68715af34f15951022bf3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking text_io v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking rs-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/compiler.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn error(&mut self, message: &'a str) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disassemble_chunk`
[INFO] [stdout]  --> src/debug.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]    --> src/compiler.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn error(&mut self, message: &'a str) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "e6140d90526e359b1f10ea87ee7fec8665e8b3672d68715af34f15951022bf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6140d90526e359b1f10ea87ee7fec8665e8b3672d68715af34f15951022bf3e", kill_on_drop: false }`
[INFO] [stdout] e6140d90526e359b1f10ea87ee7fec8665e8b3672d68715af34f15951022bf3e