[INFO] cloning repository https://github.com/stisol/loxr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stisol/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ab3d10dcd5638d77941ac730aa11b50fcf57b17
[INFO] checking stisol/loxr against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2Floxr" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stisol/loxr on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stisol/loxr
[INFO] finished tweaking git repo https://github.com/stisol/loxr
[INFO] tweaked toml for git repo https://github.com/stisol/loxr written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/stisol/loxr already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91cb11fb9b7253b4f758c96927b396ec6a4dda7e876230edca8a26c53f8765a2
[INFO] running `"docker" "start" "-a" "91cb11fb9b7253b4f758c96927b396ec6a4dda7e876230edca8a26c53f8765a2"`
[INFO] [stderr]     Checking loxr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/vm.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/vm.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Chunk, OpCode, Value};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/vm.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/vm.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 _ => return Err(InterpreterError::RuntimeError),
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vm.run();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vm.run();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "91cb11fb9b7253b4f758c96927b396ec6a4dda7e876230edca8a26c53f8765a2"`
[INFO] running `"docker" "rm" "-f" "91cb11fb9b7253b4f758c96927b396ec6a4dda7e876230edca8a26c53f8765a2"`
[INFO] [stdout] 91cb11fb9b7253b4f758c96927b396ec6a4dda7e876230edca8a26c53f8765a2