[INFO] updating cached repository https://github.com/AliceLanniste/rus_lisp
[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] 4ee6dcf8f9ba07016de2ad98b68ac2c24e45a750
[INFO] checking AliceLanniste/rus_lisp against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frus_lisp" "/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/AliceLanniste/rus_lisp 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/AliceLanniste/rus_lisp
[INFO] finished tweaking git repo https://github.com/AliceLanniste/rus_lisp
[INFO] tweaked toml for git repo https://github.com/AliceLanniste/rus_lisp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AliceLanniste/rus_lisp 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] 6735ae05e3cc3a9813467ff806c0a25443be2f384baf9475cc6939b283521b2f
[INFO] running `"docker" "start" "-a" "6735ae05e3cc3a9813467ff806c0a25443be2f384baf9475cc6939b283521b2f"`
[INFO] [stderr]     Checking rust_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/tokenize.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |           SExp::Func(c) => format!("<callable >"),
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_env`
[INFO] [stderr]    --> src/tokenize.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let test_env = TestEnv::new();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_env`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TestEnv`
[INFO] [stderr]    --> src/tokenize.rs:217:11
[INFO] [stderr]     |
[INFO] [stderr] 217 |    struct TestEnv {
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/tokenize.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |           SExp::Func(c) => format!("<callable >"),
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/tokenize.rs:223:8
[INFO] [stderr]     |
[INFO] [stderr] 223 |        fn new() -> Self {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_plus`
[INFO] [stderr]    --> src/tokenize.rs:233:8
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn test_plus()   {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Global` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 |    Global :HashMap<&'static str,SExp>,
[INFO] [stderr]     |    ^^^^^^ help: convert the identifier to snake case: `global`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_Env` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn make_Env() -> GlobalEnv{
[INFO] [stderr]     |        ^^^^^^^^ help: convert the identifier to snake case: `make_env`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `_F` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |        SExp::Func(_F) => unimplemented!()
[INFO] [stderr]     |                   ^^ help: convert the identifier to snake case (notice the capitalization): `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_env`
[INFO] [stderr]    --> src/tokenize.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let test_env = TestEnv::new();
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_env`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TestEnv`
[INFO] [stderr]    --> src/tokenize.rs:217:11
[INFO] [stderr]     |
[INFO] [stderr] 217 |    struct TestEnv {
[INFO] [stderr]     |           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/tokenize.rs:223:8
[INFO] [stderr]     |
[INFO] [stderr] 223 |        fn new() -> Self {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_plus`
[INFO] [stderr]    --> src/tokenize.rs:233:8
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn test_plus()   {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Global` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 |    Global :HashMap<&'static str,SExp>,
[INFO] [stderr]     |    ^^^^^^ help: convert the identifier to snake case: `global`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_Env` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn make_Env() -> GlobalEnv{
[INFO] [stderr]     |        ^^^^^^^^ help: convert the identifier to snake case: `make_env`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `_F` should have a snake case name
[INFO] [stderr]    --> src/tokenize.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |        SExp::Func(_F) => unimplemented!()
[INFO] [stderr]     |                   ^^ help: convert the identifier to snake case (notice the capitalization): `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "6735ae05e3cc3a9813467ff806c0a25443be2f384baf9475cc6939b283521b2f"`
[INFO] running `"docker" "rm" "-f" "6735ae05e3cc3a9813467ff806c0a25443be2f384baf9475cc6939b283521b2f"`
[INFO] [stdout] 6735ae05e3cc3a9813467ff806c0a25443be2f384baf9475cc6939b283521b2f