[INFO] cloning repository https://github.com/Mortal/scheme-syntax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mortal/scheme-syntax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fscheme-syntax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fscheme-syntax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6475ad4143a17c41afa089f3aff8382053a8c92b
[INFO] checking Mortal/scheme-syntax against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fscheme-syntax" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mortal/scheme-syntax on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mortal/scheme-syntax
[INFO] finished tweaking git repo https://github.com/Mortal/scheme-syntax
[INFO] tweaked toml for git repo https://github.com/Mortal/scheme-syntax written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Mortal/scheme-syntax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2e71803cbfdd74b6de8d4e8bfee8c7bdbf7f14f951dfd1bac235783213427a1
[INFO] running `Command { std: "docker" "start" "-a" "a2e71803cbfdd74b6de8d4e8bfee8c7bdbf7f14f951dfd1bac235783213427a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e71803cbfdd74b6de8d4e8bfee8c7bdbf7f14f951dfd1bac235783213427a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e71803cbfdd74b6de8d4e8bfee8c7bdbf7f14f951dfd1bac235783213427a1", kill_on_drop: false }`
[INFO] [stdout] a2e71803cbfdd74b6de8d4e8bfee8c7bdbf7f14f951dfd1bac235783213427a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5905a1602b2ff0cd29d9b12f61c8ac8150444a517b4a876e9391f25d811830
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd5905a1602b2ff0cd29d9b12f61c8ac8150444a517b4a876e9391f25d811830", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking scheme-syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 Literal::String(try!(weed_string(value.to_string())))
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Box::new(try!(parse_quotation(hd))),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Box::new(try!(parse_quotation_list(tl)))))
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let arg2 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let arg3 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let arg2 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         args.push(try!(parse_expression(n)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:122:36
[INFO] [stdout]     |
[INFO] [stdout] 122 |     Ok(CondClause::Inconsequential(try!(parse_expression(test))))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(parse_expression(test)),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(parse_expression(consequent))))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(parse_expression(test)),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(parse_expression(consequent))))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |         res.push(try!(parse_cond_clause(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:205:23
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let else_clause = try!(parse_expression(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(get_cond_else(else_clause))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:229:18
[INFO] [stdout]     |
[INFO] [stdout] 229 |         res.push(try!(parse_quotation(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:231:14
[INFO] [stdout]     |
[INFO] [stdout] 231 |     Ok((res, try!(parse_expression(expr))))
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:243:16
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let expr = try!(parse_expression(clauses.into_iter().next().unwrap()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 246 |         res.push(try!(parse_case_clause(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:248:23
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let else_clause = try!(parse_expression(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         try!(get_cond_else(else_clause))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:257:38
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 Ok(Expression::Quote(try!(parse_quotation_list(tl))))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 Literal::String(try!(weed_string(value.to_string())))
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Box::new(try!(parse_quotation(hd))),
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Box::new(try!(parse_quotation_list(tl)))))
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let arg2 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let arg3 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let arg2 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scheme.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let arg1 = Box::new(try!(parse_expression(tl.pop().unwrap())));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |         args.push(try!(parse_expression(n)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:122:36
[INFO] [stdout]     |
[INFO] [stdout] 122 |     Ok(CondClause::Inconsequential(try!(parse_expression(test))))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(parse_expression(test)),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(parse_expression(consequent))))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(parse_expression(test)),
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(parse_expression(consequent))))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |         res.push(try!(parse_cond_clause(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:205:23
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let else_clause = try!(parse_expression(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(get_cond_else(else_clause))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:229:18
[INFO] [stdout]     |
[INFO] [stdout] 229 |         res.push(try!(parse_quotation(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:231:14
[INFO] [stdout]     |
[INFO] [stdout] 231 |     Ok((res, try!(parse_expression(expr))))
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:243:16
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let expr = try!(parse_expression(clauses.into_iter().next().unwrap()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:246:18
[INFO] [stdout]     |
[INFO] [stdout] 246 |         res.push(try!(parse_case_clause(c)));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:248:23
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let else_clause = try!(parse_expression(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         try!(get_cond_else(else_clause))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scheme.rs:257:38
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 Ok(Expression::Quote(try!(parse_quotation_list(tl))))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "dd5905a1602b2ff0cd29d9b12f61c8ac8150444a517b4a876e9391f25d811830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5905a1602b2ff0cd29d9b12f61c8ac8150444a517b4a876e9391f25d811830", kill_on_drop: false }`
[INFO] [stdout] dd5905a1602b2ff0cd29d9b12f61c8ac8150444a517b4a876e9391f25d811830
