[INFO] updating cached repository https://github.com/jsdf/lisp.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab03c416841554eb66f0efe361bf5a7ee770b380
[INFO] checking jsdf/lisp.rs against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdf%2Flisp.rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsdf/lisp.rs on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jsdf/lisp.rs
[INFO] finished tweaking git repo https://github.com/jsdf/lisp.rs
[INFO] tweaked toml for git repo https://github.com/jsdf/lisp.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jsdf/lisp.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] f36de7aa6d68d43b4f542faf04596c023d774d6944576f472bce252bfd8e20eb
[INFO] running `"docker" "start" "-a" "f36de7aa6d68d43b4f542faf04596c023d774d6944576f472bce252bfd8e20eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lisp_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lisp.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new(params: Vec<Val>, body: Val, env: EnvRef) -> Proc {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `call`
[INFO] [stderr]   --> src/lisp.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn call(&self, args: Vec<Val>) -> Val {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assign`
[INFO] [stderr]   --> src/lisp.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn assign(&mut self, var_name: &String, val: Val) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lisp.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new(params: Vec<Val>, body: Val, env: EnvRef) -> Proc {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `call`
[INFO] [stderr]   --> src/lisp.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn call(&self, args: Vec<Val>) -> Val {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assign`
[INFO] [stderr]   --> src/lisp.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn assign(&mut self, var_name: &String, val: Val) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "f36de7aa6d68d43b4f542faf04596c023d774d6944576f472bce252bfd8e20eb"`
[INFO] running `"docker" "rm" "-f" "f36de7aa6d68d43b4f542faf04596c023d774d6944576f472bce252bfd8e20eb"`
[INFO] [stdout] f36de7aa6d68d43b4f542faf04596c023d774d6944576f472bce252bfd8e20eb