[INFO] updating cached repository nrc/s
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrc/s
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/s" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrc/s"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrc/s'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrc/s" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrc/s"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrc/s'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7bb6e049fa3868fc3b3f4f048e1ae98ba2ac69a
[INFO] sha for GitHub repo nrc/s: a7bb6e049fa3868fc3b3f4f048e1ae98ba2ac69a
[INFO] validating manifest of nrc/s on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nrc/s on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nrc/s
[INFO] finished frobbing nrc/s
[INFO] frobbed toml for nrc/s written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrc/s/Cargo.toml
[INFO] started frobbing nrc/s
[INFO] finished frobbing nrc/s
[INFO] frobbed toml for nrc/s written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrc/s/Cargo.toml
[INFO] crate nrc/s already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nrc/s against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrc/s:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63abded7d5528052c829d6a6f750284ce9433a933cfc16dd67c1fcc0f2bdbb5e
[INFO] running `"docker" "start" "-a" "63abded7d5528052c829d6a6f750284ce9433a933cfc16dd67c1fcc0f2bdbb5e"`
[INFO] [stderr]     Checking s v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | / macro_rules! program {
[INFO] [stderr] 88 | |     ($($ns: expr),*) => (::parser::Node::Program(vec![$($ns),*]))
[INFO] [stderr] 89 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parser.rs:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | / macro_rules! ident {
[INFO] [stderr] 94 | |     ($s: expr) => (::parser::Node::Ident(::lexer::Str::new($s)))
[INFO] [stderr] 95 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/parser.rs:99:1
[INFO] [stderr]     |
[INFO] [stderr] 99  | / macro_rules! lit_str {
[INFO] [stderr] 100 | |     ($s: expr) => (::parser::Node::LitStr(::lexer::Str::new($s)))
[INFO] [stderr] 101 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lexer.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(s: &str) -> Str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_keyword`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn is_keyword(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `NoopFolder`
[INFO] [stderr]   --> src/expand.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct NoopFolder;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_value`
[INFO] [stderr]   --> src/interpreter.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn with_value(name: &str, value: Node) -> Envr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_keyword`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn is_keyword(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "63abded7d5528052c829d6a6f750284ce9433a933cfc16dd67c1fcc0f2bdbb5e"`
[INFO] running `"docker" "rm" "-f" "63abded7d5528052c829d6a6f750284ce9433a933cfc16dd67c1fcc0f2bdbb5e"`
[INFO] [stdout] 63abded7d5528052c829d6a6f750284ce9433a933cfc16dd67c1fcc0f2bdbb5e