[INFO] updating cached repository https://github.com/alex34567/synacor-challenge
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a0f64456a63c24c78c9f83a4e763f0d17dd9082
[INFO] testing alex34567/synacor-challenge against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex34567%2Fsynacor-challenge" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alex34567/synacor-challenge on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alex34567/synacor-challenge
[INFO] finished tweaking git repo https://github.com/alex34567/synacor-challenge
[INFO] tweaked toml for git repo https://github.com/alex34567/synacor-challenge written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alex34567/synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcb64dc93c603f05caaee40efd76e8ec767e52927e27a1c4205a9e6b0e0b24a2
[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" "fcb64dc93c603f05caaee40efd76e8ec767e52927e27a1c4205a9e6b0e0b24a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb64dc93c603f05caaee40efd76e8ec767e52927e27a1c4205a9e6b0e0b24a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb64dc93c603f05caaee40efd76e8ec767e52927e27a1c4205a9e6b0e0b24a2", kill_on_drop: false }`
[INFO] [stdout] fcb64dc93c603f05caaee40efd76e8ec767e52927e27a1c4205a9e6b0e0b24a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d31351e454b56222bd7af11b4e59656a810fadb853f4a1c2082f0cbb9b536e
[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" "05d31351e454b56222bd7af11b4e59656a810fadb853f4a1c2082f0cbb9b536e", kill_on_drop: false }`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let word = try!(self.read_word_data(word_loc));
[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/main.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 let word = try!(self.read_word_data(location));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     try!(self.write_word_data(location, word));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:114:61
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:124:60
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:132:28
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let jump = try!(self.read_word_data(location));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:141:32
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:28
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:203:25
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:225:25
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:247:28
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let char = try!(self.read_word_data(location)) as u8 as char;
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 ;
[INFO] [stdout]     |                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "05d31351e454b56222bd7af11b4e59656a810fadb853f4a1c2082f0cbb9b536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d31351e454b56222bd7af11b4e59656a810fadb853f4a1c2082f0cbb9b536e", kill_on_drop: false }`
[INFO] [stdout] 05d31351e454b56222bd7af11b4e59656a810fadb853f4a1c2082f0cbb9b536e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4260adaa9fb7570591ab99faea5df4e0d502a3a8b4710b9e34cac625faed29e
[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" "b4260adaa9fb7570591ab99faea5df4e0d502a3a8b4710b9e34cac625faed29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let word = try!(self.read_word_data(word_loc));
[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/main.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 let word = try!(self.read_word_data(location));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     try!(self.write_word_data(location, word));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:114:61
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:124:60
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:132:28
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let jump = try!(self.read_word_data(location));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:141:32
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:28
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:175:25
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:203:25
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:225:25
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:232:25
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:247:28
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let char = try!(self.read_word_data(location)) as u8 as char;
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 ;
[INFO] [stdout]     |                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b4260adaa9fb7570591ab99faea5df4e0d502a3a8b4710b9e34cac625faed29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4260adaa9fb7570591ab99faea5df4e0d502a3a8b4710b9e34cac625faed29e", kill_on_drop: false }`
[INFO] [stdout] b4260adaa9fb7570591ab99faea5df4e0d502a3a8b4710b9e34cac625faed29e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3281c4563fdce52b64cd7072f1db91d52c204b18f0854a59b18cecd9efe112bc
[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" "3281c4563fdce52b64cd7072f1db91d52c204b18f0854a59b18cecd9efe112bc", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 let word = try!(self.read_word_data(word_loc));
[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/main.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 let word = try!(self.read_word_data(location));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |                     try!(self.write_word_data(location, word));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:114:20
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:114:61
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 if try!(self.read_word_data(location_b)) == try!(self.read_word_data(location_c)) {
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:124:60
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 if try!(self.read_word_data(location_b)) > try!(self.read_word_data(location_c)) {
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let jump = try!(self.read_word_data(location));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:138:28
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:141:32
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let test = try!(self.read_word_data(test_loc));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:153:32
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     let jump = try!(self.read_word_data(jump_loc));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:165:25
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:174:25
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:185:25
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:195:25
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:204:25
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 let c = try!(self.read_word_data(location_c));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:211:25
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:225:25
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:226:25
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 let b = try!(self.read_word_data(location_b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let a = try!(self.read_word_data(location_a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:247:28
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 let char = try!(self.read_word_data(location)) as u8 as char;
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/main.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |                 ;
[INFO] [stderr]     |                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synacor-946f6ea3246fab0d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3281c4563fdce52b64cd7072f1db91d52c204b18f0854a59b18cecd9efe112bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3281c4563fdce52b64cd7072f1db91d52c204b18f0854a59b18cecd9efe112bc", kill_on_drop: false }`
[INFO] [stdout] 3281c4563fdce52b64cd7072f1db91d52c204b18f0854a59b18cecd9efe112bc