[INFO] updating cached repository https://github.com/jsdf/lisp.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdf%2Flisp.rs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsdf/lisp.rs on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "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 work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jsdf/lisp.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4b01da8fea982d39a08e1db37bd0150cefe2f2f0e1a93f9419224179b2b5e1a2
[INFO] running `"docker" "start" "-a" "4b01da8fea982d39a08e1db37bd0150cefe2f2f0e1a93f9419224179b2b5e1a2"`
[INFO] [stderr]     Checking lisp_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lisp.rs:25:5
[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: method is never used: `call`
[INFO] [stderr]   --> src/lisp.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn call(&self, args: Vec<Val>) -> Val {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign`
[INFO] [stderr]   --> src/lisp.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn assign(&mut self, var_name: &String, val: Val) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lisp.rs:25:5
[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: method is never used: `call`
[INFO] [stderr]   --> src/lisp.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn call(&self, args: Vec<Val>) -> Val {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign`
[INFO] [stderr]   --> src/lisp.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn assign(&mut self, var_name: &String, val: Val) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "4b01da8fea982d39a08e1db37bd0150cefe2f2f0e1a93f9419224179b2b5e1a2"`
[INFO] running `"docker" "rm" "-f" "4b01da8fea982d39a08e1db37bd0150cefe2f2f0e1a93f9419224179b2b5e1a2"`
[INFO] [stdout] 4b01da8fea982d39a08e1db37bd0150cefe2f2f0e1a93f9419224179b2b5e1a2