[INFO] updating cached repository https://github.com/GuillaumeDIDIER/C-teel
[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] 4e46a6623dc3ce669e7525cff7069dbdeaa4043b
[INFO] checking GuillaumeDIDIER/C-teel against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuillaumeDIDIER%2FC-teel" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GuillaumeDIDIER/C-teel 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/GuillaumeDIDIER/C-teel
[INFO] finished tweaking git repo https://github.com/GuillaumeDIDIER/C-teel
[INFO] tweaked toml for git repo https://github.com/GuillaumeDIDIER/C-teel written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/GuillaumeDIDIER/C-teel 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 97fdd28debff38f0fdc9ee2f414aa5aa0980f23324e6159bacf141c6cbd1074d
[INFO] running `"docker" "start" "-a" "97fdd28debff38f0fdc9ee2f414aa5aa0980f23324e6159bacf141c6cbd1074d"`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking C_teel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rtl/tree.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(write!(f, "{} <- call {}(", reg, name));
[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/rtl/tree.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(write!(f, "{}", arg0));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rtl/tree.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         try!(write!(f, ", {}", arg));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(write!(f, "  {}: {}\n", l, instruction));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(write!(f, "{} {}(", self.result, self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             try!(write!(f, "{}", formal0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 try!(write!(f, ", {}", formal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         try!(write!(f, ")\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(write!(f, "  exit   : {}\n", self.exit));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(write!(f, "  locals : "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             try!(write!(f, "{}", local0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(write!(f, ", {}", local));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(write!(f, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         try!(write!(f, "== RTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             try!(write!(f, "    {}: {} {:?}\n", l, instruction, live_info));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(write!(f, "{}({})\n", self.name, self.formals));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(write!(f, "== ERTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try!(write!(f, "  {}: {}\n", l, instruction));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         try!(write!(f, "{}()\n", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(write!(f, "== LTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(write!(f,"    .text\n    .globl main\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             try!(write!(f, "{}", func));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(f,"    .data\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             try!(write!(f, "{}", glob));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(write!(f, "{}:\n", self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     try!(write!(f, ".{}.{}:\n", self.name, l));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(write!(f, "{}\n", instruction));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/ltl/builder.rs:168:48
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let src_op  = self.lookup(src);;
[INFO] [stderr]     |                                                ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rtl/tree.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(write!(f, "{} <- call {}(", reg, name));
[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/rtl/tree.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(write!(f, "{}", arg0));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rtl/tree.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         try!(write!(f, ", {}", arg));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(write!(f, "  {}: {}\n", l, instruction));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(write!(f, "{} {}(", self.result, self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             try!(write!(f, "{}", formal0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 try!(write!(f, ", {}", formal));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         try!(write!(f, ")\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         try!(write!(f, "  exit   : {}\n", self.exit));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(write!(f, "  locals : "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             try!(write!(f, "{}", local0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 try!(write!(f, ", {}", local));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(write!(f, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         try!(write!(f, "== RTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rtl/tree.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             try!(write!(f, "    {}: {} {:?}\n", l, instruction, live_info));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         try!(write!(f, "{}({})\n", self.name, self.formals));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(write!(f, "== ERTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ertl/tree.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try!(write!(f, "  {}: {}\n", l, instruction));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(self.visit(visited, s, f));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         try!(write!(f, "{}()\n", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(write!(f, "  entry  : {}\n", self.entry));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(write!(f, "== LTL ==================================================\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ltl/tree.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             try!(write!(f, "{}", self.functions[i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         try!(write!(f,"    .text\n    .globl main\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             try!(write!(f, "{}", func));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(write!(f,"    .data\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             try!(write!(f, "{}", glob));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(write!(f, "{}:\n", self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     try!(write!(f, ".{}.{}:\n", self.name, l));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/output/asm.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(write!(f, "{}\n", instruction));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/ltl/builder.rs:168:48
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let src_op  = self.lookup(src);;
[INFO] [stderr]     |                                                ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cnd_cmp`
[INFO] [stderr]    --> src/rtl/builder.rs:343:5
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn cnd_cmp(& mut self, op: x64Branch, lhs: tast::Expression, rhs: tast::Expression, exit_false: Label, exit_true: Label) -> Label {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `C_teel` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `c_teel`
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cnd_cmp`
[INFO] [stderr]    --> src/rtl/builder.rs:343:5
[INFO] [stderr]     |
[INFO] [stderr] 343 |     fn cnd_cmp(& mut self, op: x64Branch, lhs: tast::Expression, rhs: tast::Expression, exit_false: Label, exit_true: Label) -> Label {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `C_teel` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `c_teel`
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.93s
[INFO] running `"docker" "inspect" "97fdd28debff38f0fdc9ee2f414aa5aa0980f23324e6159bacf141c6cbd1074d"`
[INFO] running `"docker" "rm" "-f" "97fdd28debff38f0fdc9ee2f414aa5aa0980f23324e6159bacf141c6cbd1074d"`
[INFO] [stdout] 97fdd28debff38f0fdc9ee2f414aa5aa0980f23324e6159bacf141c6cbd1074d