[INFO] updating cached repository https://github.com/nrc/s
[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] a7bb6e049fa3868fc3b3f4f048e1ae98ba2ac69a
[INFO] checking nrc/s against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fs" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/s on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nrc/s
[INFO] finished tweaking git repo https://github.com/nrc/s
[INFO] tweaked toml for git repo https://github.com/nrc/s written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nrc/s already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] c4971e89bb0d17f5f3822bcf5e44fdfede81f219b182ea6fc27023470a659e59
[INFO] running `"docker" "start" "-a" "c4971e89bb0d17f5f3822bcf5e44fdfede81f219b182ea6fc27023470a659e59"`
[INFO] [stderr]     Checking s v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     try!(write!(f, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 try!(n.fmt(f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(write_node_list(ns, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 try!(write!(f, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(write_node_list(ns, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(write!(f, ")"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |             Node::Plus => try!(write!(f, "+")),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Node::Fn => try!(write!(f, "fn")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 |             Node::Let => try!(write!(f, "let")),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |             Node::Macro => try!(write!(f, "macro")),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |             Node::Print => try!(write!(f, "print")),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Node::Ident(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |             Node::LitNum(n) => try!(write!(f, "{}", n)),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:136:36
[INFO] [stderr]     |
[INFO] [stderr] 136 |             Node::LitStr(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/expand.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn fold(node: Node, fld: &mut Folder) -> Node {
[INFO] [stderr]   |                                   ^^^^^^ help: use `dyn`: `dyn Folder`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     try!(write!(f, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 try!(n.fmt(f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 try!(write_node_list(ns, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 try!(write!(f, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 try!(write_node_list(ns, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(write!(f, ")"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |             Node::Plus => try!(write!(f, "+")),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Node::Fn => try!(write!(f, "fn")),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 |             Node::Let => try!(write!(f, "let")),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |             Node::Macro => try!(write!(f, "macro")),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |             Node::Print => try!(write!(f, "print")),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Node::Ident(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |             Node::LitNum(n) => try!(write!(f, "{}", n)),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:136:36
[INFO] [stderr]     |
[INFO] [stderr] 136 |             Node::LitStr(ref s) => try!(write!(f, "{}", s)),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/expand.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn fold(node: Node, fld: &mut Folder) -> Node {
[INFO] [stderr]   |                                   ^^^^^^ help: use `dyn`: `dyn Folder`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[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: 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 1.65s
[INFO] running `"docker" "inspect" "c4971e89bb0d17f5f3822bcf5e44fdfede81f219b182ea6fc27023470a659e59"`
[INFO] running `"docker" "rm" "-f" "c4971e89bb0d17f5f3822bcf5e44fdfede81f219b182ea6fc27023470a659e59"`
[INFO] [stdout] c4971e89bb0d17f5f3822bcf5e44fdfede81f219b182ea6fc27023470a659e59