[INFO] cloning repository https://github.com/basic-bgnr/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basic-bgnr/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasic-bgnr%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasic-bgnr%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 769be23f2c2d3607fa035c8e8ccfcd194d5cd8aa
[INFO] testing basic-bgnr/rlox against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasic-bgnr%2Frlox" "/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/basic-bgnr/rlox on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/basic-bgnr/rlox
[INFO] finished tweaking git repo https://github.com/basic-bgnr/rlox
[INFO] tweaked toml for git repo https://github.com/basic-bgnr/rlox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/basic-bgnr/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1948f0d101ae12d336af9018a0ac6ff9edefb5c579f18ed4356df33edf472724
[INFO] running `Command { std: "docker" "start" "-a" "1948f0d101ae12d336af9018a0ac6ff9edefb5c579f18ed4356df33edf472724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1948f0d101ae12d336af9018a0ac6ff9edefb5c579f18ed4356df33edf472724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1948f0d101ae12d336af9018a0ac6ff9edefb5c579f18ed4356df33edf472724", kill_on_drop: false }`
[INFO] [stdout] 1948f0d101ae12d336af9018a0ac6ff9edefb5c579f18ed4356df33edf472724
[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=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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a5f9401cd59f660b8d15344319a7eb1372e94e4423d16ca9c7f1655dc3f3e9
[INFO] running `Command { std: "docker" "start" "-a" "e9a5f9401cd59f660b8d15344319a7eb1372e94e4423d16ca9c7f1655dc3f3e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> src/disassembler.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::byte_array::{Chunk, OpCode, Chunkable};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_value`
[INFO] [stdout]   --> src/byte_array.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_value(&mut self, value: Value) -> usize {
[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: `free`
[INFO] [stdout]   --> src/byte_array.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn free(self){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "e9a5f9401cd59f660b8d15344319a7eb1372e94e4423d16ca9c7f1655dc3f3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a5f9401cd59f660b8d15344319a7eb1372e94e4423d16ca9c7f1655dc3f3e9", kill_on_drop: false }`
[INFO] [stdout] e9a5f9401cd59f660b8d15344319a7eb1372e94e4423d16ca9c7f1655dc3f3e9
[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=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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfdf14d69eb70ed43f54b700a0a5f72f0a10c6d7d09d4aebd4cb73b53f9d6016
[INFO] running `Command { std: "docker" "start" "-a" "bfdf14d69eb70ed43f54b700a0a5f72f0a10c6d7d09d4aebd4cb73b53f9d6016", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> src/disassembler.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::byte_array::{Chunk, OpCode, Chunkable};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_value`
[INFO] [stdout]   --> src/byte_array.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_value(&mut self, value: Value) -> usize {
[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: `free`
[INFO] [stdout]   --> src/byte_array.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn free(self){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "bfdf14d69eb70ed43f54b700a0a5f72f0a10c6d7d09d4aebd4cb73b53f9d6016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdf14d69eb70ed43f54b700a0a5f72f0a10c6d7d09d4aebd4cb73b53f9d6016", kill_on_drop: false }`
[INFO] [stdout] bfdf14d69eb70ed43f54b700a0a5f72f0a10c6d7d09d4aebd4cb73b53f9d6016
[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=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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff19fe79e65755b746d66be0f5ddcc3028f679c5e07bf3c86d387951d670012f
[INFO] running `Command { std: "docker" "start" "-a" "ff19fe79e65755b746d66be0f5ddcc3028f679c5e07bf3c86d387951d670012f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Chunk`
[INFO] [stderr]  --> src/disassembler.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::byte_array::{Chunk, OpCode, Chunkable};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_value`
[INFO] [stderr]   --> src/byte_array.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_value(&mut self, value: Value) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free`
[INFO] [stderr]   --> src/byte_array.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn free(self){
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox` (bin "lox" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox-fcdffd5875a081ce)
[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" "ff19fe79e65755b746d66be0f5ddcc3028f679c5e07bf3c86d387951d670012f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff19fe79e65755b746d66be0f5ddcc3028f679c5e07bf3c86d387951d670012f", kill_on_drop: false }`
[INFO] [stdout] ff19fe79e65755b746d66be0f5ddcc3028f679c5e07bf3c86d387951d670012f