[INFO] cloning repository https://github.com/chkimes/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chkimes/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82f97fbb8ad0b3f259a36bb1b496aa2c30e818e8
[INFO] testing chkimes/rlox against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchkimes%2Frlox" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chkimes/rlox on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chkimes/rlox
[INFO] finished tweaking git repo https://github.com/chkimes/rlox
[INFO] tweaked toml for git repo https://github.com/chkimes/rlox written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/chkimes/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8436548d7ea8b6161d935e00e7ffc26a9a4e1a8da20b18eb11ac66a2411148eb
[INFO] running `Command { std: "docker" "start" "-a" "8436548d7ea8b6161d935e00e7ffc26a9a4e1a8da20b18eb11ac66a2411148eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8436548d7ea8b6161d935e00e7ffc26a9a4e1a8da20b18eb11ac66a2411148eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8436548d7ea8b6161d935e00e7ffc26a9a4e1a8da20b18eb11ac66a2411148eb", kill_on_drop: false }`
[INFO] [stdout] 8436548d7ea8b6161d935e00e7ffc26a9a4e1a8da20b18eb11ac66a2411148eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996c1634b5f2d67f2cbeadb87b16a5c3cfb7d67a1b03e440dca5f4530f93b63c
[INFO] running `Command { std: "docker" "start" "-a" "996c1634b5f2d67f2cbeadb87b16a5c3cfb7d67a1b03e440dca5f4530f93b63c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manage`
[INFO] [stdout]   --> src/memory.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/memory.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_objects`
[INFO] [stdout]    --> src/vm.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn free_objects(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "996c1634b5f2d67f2cbeadb87b16a5c3cfb7d67a1b03e440dca5f4530f93b63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996c1634b5f2d67f2cbeadb87b16a5c3cfb7d67a1b03e440dca5f4530f93b63c", kill_on_drop: false }`
[INFO] [stdout] 996c1634b5f2d67f2cbeadb87b16a5c3cfb7d67a1b03e440dca5f4530f93b63c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e8c9138215b49874e8ce1cabe9f3b7b21d0034fa51852695146ea6ecc04555
[INFO] running `Command { std: "docker" "start" "-a" "05e8c9138215b49874e8ce1cabe9f3b7b21d0034fa51852695146ea6ecc04555", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `emit_bytes`
[INFO] [stdout]    --> src/compiler.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `values`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manage`
[INFO] [stdout]   --> src/memory.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/memory.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/vm.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free_objects`
[INFO] [stdout]    --> src/vm.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn free_objects(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "05e8c9138215b49874e8ce1cabe9f3b7b21d0034fa51852695146ea6ecc04555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e8c9138215b49874e8ce1cabe9f3b7b21d0034fa51852695146ea6ecc04555", kill_on_drop: false }`
[INFO] [stdout] 05e8c9138215b49874e8ce1cabe9f3b7b21d0034fa51852695146ea6ecc04555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f71e67972bdda1dee31dea5e49c954ec285b4812448f0f38f83b2a50fd40ed0e
[INFO] running `Command { std: "docker" "start" "-a" "f71e67972bdda1dee31dea5e49c954ec285b4812448f0f38f83b2a50fd40ed0e", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `emit_bytes`
[INFO] [stderr]    --> src/compiler.rs:222:8
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn emit_bytes(&mut self, byte1: u8, byte2: u8) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `values`
[INFO] [stderr]  --> src/memory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     values: Vec<Box<dyn Any>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `manage`
[INFO] [stderr]   --> src/memory.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn manage<T: 'static>(&mut self, obj: T) -> Ref<T> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/memory.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/vm.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn peek(&mut self, distance: usize) -> Value {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free_objects`
[INFO] [stderr]    --> src/vm.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn free_objects(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-9e94ed6c3e665153)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f71e67972bdda1dee31dea5e49c954ec285b4812448f0f38f83b2a50fd40ed0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71e67972bdda1dee31dea5e49c954ec285b4812448f0f38f83b2a50fd40ed0e", kill_on_drop: false }`
[INFO] [stdout] f71e67972bdda1dee31dea5e49c954ec285b4812448f0f38f83b2a50fd40ed0e