[INFO] cloning repository https://github.com/eanyanwu/rlox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eanyanwu/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 724ff3d8b20eeeeeb9145b879543667379776611
[INFO] checking eanyanwu/rlox against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feanyanwu%2Frlox" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eanyanwu/rlox on toolchain 71b81291baafb8a58836272757b28817fe1d8190
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eanyanwu/rlox
[INFO] finished tweaking git repo https://github.com/eanyanwu/rlox
[INFO] tweaked toml for git repo https://github.com/eanyanwu/rlox written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/eanyanwu/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+71b81291baafb8a58836272757b28817fe1d8190" "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] 011f448bd93ee1a77b1db58d3e34e09ff9765b1e021ec0cbce764a00e04efa40
[INFO] running `"docker" "start" "-a" "011f448bd93ee1a77b1db58d3e34e09ff9765b1e021ec0cbce764a00e04efa40"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]    --> src/parser.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn next(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `previous`
[INFO] [stderr]    --> src/parser.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]    --> src/parser.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn next(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `previous`
[INFO] [stderr]    --> src/parser.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn previous(&self) -> Option<Token> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "011f448bd93ee1a77b1db58d3e34e09ff9765b1e021ec0cbce764a00e04efa40"`
[INFO] running `"docker" "rm" "-f" "011f448bd93ee1a77b1db58d3e34e09ff9765b1e021ec0cbce764a00e04efa40"`
[INFO] [stdout] 011f448bd93ee1a77b1db58d3e34e09ff9765b1e021ec0cbce764a00e04efa40