[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] checking basic-bgnr/rlox against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasic-bgnr%2Frlox" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/basic-bgnr/rlox on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e56c5d58e3c4ea01439c0cbbe6de691d569c7eaeeeab8e32e792ee76766e604
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e56c5d58e3c4ea01439c0cbbe6de691d569c7eaeeeab8e32e792ee76766e604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e56c5d58e3c4ea01439c0cbbe6de691d569c7eaeeeab8e32e792ee76766e604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e56c5d58e3c4ea01439c0cbbe6de691d569c7eaeeeab8e32e792ee76766e604", kill_on_drop: false }`
[INFO] [stdout] 8e56c5d58e3c4ea01439c0cbbe6de691d569c7eaeeeab8e32e792ee76766e604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c7afe5df0d9321fc5634b2f40d0b9779c0be34b9f65ea9d819a1ca4910ff803
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c7afe5df0d9321fc5634b2f40d0b9779c0be34b9f65ea9d819a1ca4910ff803", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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 0.39s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c7afe5df0d9321fc5634b2f40d0b9779c0be34b9f65ea9d819a1ca4910ff803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7afe5df0d9321fc5634b2f40d0b9779c0be34b9f65ea9d819a1ca4910ff803", kill_on_drop: false }`
[INFO] [stdout] 4c7afe5df0d9321fc5634b2f40d0b9779c0be34b9f65ea9d819a1ca4910ff803