[INFO] fetching crate self-meter 0.6.0...
[INFO] testing self-meter-0.6.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate self-meter 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate self-meter 0.6.0 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 crates.io crate self-meter 0.6.0
[INFO] finished tweaking crates.io crate self-meter 0.6.0
[INFO] tweaked toml for crates.io crate self-meter 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f9c5c1baded6c32de935be56b12c0aba7aa42036512d7e03623c0cb86ecf5fca
[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" "f9c5c1baded6c32de935be56b12c0aba7aa42036512d7e03623c0cb86ecf5fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c5c1baded6c32de935be56b12c0aba7aa42036512d7e03623c0cb86ecf5fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c5c1baded6c32de935be56b12c0aba7aa42036512d7e03623c0cb86ecf5fca", kill_on_drop: false }`
[INFO] [stdout] f9c5c1baded6c32de935be56b12c0aba7aa42036512d7e03623c0cb86ecf5fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 724688ab4cf8d04ff34471f40bde04f18bb2bd458c589cd04ea0aa95ff70a7d4
[INFO] running `Command { std: "docker" "start" "-a" "724688ab4cf8d04ff34471f40bde04f18bb2bd458c589cd04ea0aa95ff70a7d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling self-meter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.read_cpu_times(&mut snap.process,
[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/scan.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(self.read_memory(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_io(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(File::open("/proc/uptime")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let seconds = try!(iter.next()
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let idle_sec = try!(iter.next()
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |             *uptime = try!(parse_uptime(seconds));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |             *idle_time = try!(parse_uptime(idle_sec));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(read_stat(&mut self.text_buf, "/proc/self/stat", process)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(read_stat(&mut self.text_buf, &self.path_buf[..],
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(File::open("/proc/self/status")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 => snap.memory_virtual_peak = try!(parse_memory(text)),
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:102:42
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 => snap.memory_virtual = try!(parse_memory(text)),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 => snap.memory_rss = try!(parse_memory(text)),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:106:39
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 => snap.memory_swap = try!(parse_memory(text)),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:22
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |            try!(decimals[1..].parse::<u64>())*10)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |            try!(decimals[1..].parse::<u64>()))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     try!(File::open(path)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let right_paren = try!(text_buf.rfind(')')
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |     thread_info.user_time = try!(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(iter.nth(11).ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |     thread_info.system_time = try!(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:203:35
[INFO] [stdout]     |
[INFO] [stdout] 203 |     thread_info.child_user_time = try!(
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |     thread_info.child_system_time = try!(
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.84s
[INFO] running `Command { std: "docker" "inspect" "724688ab4cf8d04ff34471f40bde04f18bb2bd458c589cd04ea0aa95ff70a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724688ab4cf8d04ff34471f40bde04f18bb2bd458c589cd04ea0aa95ff70a7d4", kill_on_drop: false }`
[INFO] [stdout] 724688ab4cf8d04ff34471f40bde04f18bb2bd458c589cd04ea0aa95ff70a7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f40208f5fcfc1b97c8d1f2753b9812c5028eee9751da5df99a2306785fbae0e3
[INFO] running `Command { std: "docker" "start" "-a" "f40208f5fcfc1b97c8d1f2753b9812c5028eee9751da5df99a2306785fbae0e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.read_cpu_times(&mut snap.process,
[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/scan.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(self.read_memory(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_io(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(File::open("/proc/uptime")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let seconds = try!(iter.next()
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let idle_sec = try!(iter.next()
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |             *uptime = try!(parse_uptime(seconds));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |             *idle_time = try!(parse_uptime(idle_sec));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(read_stat(&mut self.text_buf, "/proc/self/stat", process)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(read_stat(&mut self.text_buf, &self.path_buf[..],
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(File::open("/proc/self/status")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 => snap.memory_virtual_peak = try!(parse_memory(text)),
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:102:42
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 => snap.memory_virtual = try!(parse_memory(text)),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 => snap.memory_rss = try!(parse_memory(text)),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:106:39
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 => snap.memory_swap = try!(parse_memory(text)),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:22
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |            try!(decimals[1..].parse::<u64>())*10)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |            try!(decimals[1..].parse::<u64>()))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     try!(File::open(path)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let right_paren = try!(text_buf.rfind(')')
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |     thread_info.user_time = try!(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(iter.nth(11).ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |     thread_info.system_time = try!(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:203:35
[INFO] [stdout]     |
[INFO] [stdout] 203 |     thread_info.child_user_time = try!(
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |     thread_info.child_system_time = try!(
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling self-meter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.read_cpu_times(&mut snap.process,
[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/scan.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(self.read_memory(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_io(&mut snap));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(File::open("/proc/uptime")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let seconds = try!(iter.next()
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let idle_sec = try!(iter.next()
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 |             *uptime = try!(parse_uptime(seconds));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |             *idle_time = try!(parse_uptime(idle_sec));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(read_stat(&mut self.text_buf, "/proc/self/stat", process)
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(read_stat(&mut self.text_buf, &self.path_buf[..],
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(File::open("/proc/self/status")
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 => snap.memory_virtual_peak = try!(parse_memory(text)),
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:102:42
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 => snap.memory_virtual = try!(parse_memory(text)),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 => snap.memory_rss = try!(parse_memory(text)),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:106:39
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 => snap.memory_swap = try!(parse_memory(text)),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:165:22
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |            try!(decimals[1..].parse::<u64>())*10)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |            try!(decimals[1..].parse::<u64>()))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     try!(File::open(path)
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let right_paren = try!(text_buf.rfind(')')
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |     thread_info.user_time = try!(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(iter.nth(11).ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |     thread_info.system_time = try!(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:203:35
[INFO] [stdout]     |
[INFO] [stdout] 203 |     thread_info.child_user_time = try!(
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |     thread_info.child_system_time = try!(
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "f40208f5fcfc1b97c8d1f2753b9812c5028eee9751da5df99a2306785fbae0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40208f5fcfc1b97c8d1f2753b9812c5028eee9751da5df99a2306785fbae0e3", kill_on_drop: false }`
[INFO] [stdout] f40208f5fcfc1b97c8d1f2753b9812c5028eee9751da5df99a2306785fbae0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ad2f08ee666cdca0f9f749442b0b26ea1c22895776c2df6e93b3d002422b521
[INFO] running `Command { std: "docker" "start" "-a" "9ad2f08ee666cdca0f9f749442b0b26ea1c22895776c2df6e93b3d002422b521", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(self.read_cpu_times(&mut snap.process,
[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/scan.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(self.read_memory(&mut snap));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.read_io(&mut snap));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(File::open("/proc/uptime")
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let seconds = try!(iter.next()
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let idle_sec = try!(iter.next()
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |             *uptime = try!(parse_uptime(seconds));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:65:26
[INFO] [stderr]    |
[INFO] [stderr] 65 |             *idle_time = try!(parse_uptime(idle_sec));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(read_stat(&mut self.text_buf, "/proc/self/stat", process)
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(read_stat(&mut self.text_buf, &self.path_buf[..],
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(File::open("/proc/self/status")
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:100:47
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 => snap.memory_virtual_peak = try!(parse_memory(text)),
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:102:42
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 => snap.memory_virtual = try!(parse_memory(text)),
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 => snap.memory_rss = try!(parse_memory(text)),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:106:39
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 => snap.memory_swap = try!(parse_memory(text)),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:165:22
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |            try!(decimals[1..].parse::<u64>())*10)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 |            try!(decimals[1..].parse::<u64>()))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     try!(File::open(path)
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |     let right_paren = try!(text_buf.rfind(')')
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |     thread_info.user_time = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(iter.nth(11).ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:201:31
[INFO] [stderr]     |
[INFO] [stderr] 201 |     thread_info.system_time = try!(
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:203:35
[INFO] [stderr]     |
[INFO] [stderr] 203 |     thread_info.child_user_time = try!(
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 |     thread_info.child_system_time = try!(
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(self.read_cpu_times(&mut snap.process,
[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/scan.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(self.read_memory(&mut snap));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.read_io(&mut snap));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(File::open("/proc/uptime")
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let seconds = try!(iter.next()
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let idle_sec = try!(iter.next()
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |             *uptime = try!(parse_uptime(seconds));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:65:26
[INFO] [stderr]    |
[INFO] [stderr] 65 |             *idle_time = try!(parse_uptime(idle_sec));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(read_stat(&mut self.text_buf, "/proc/self/stat", process)
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(read_stat(&mut self.text_buf, &self.path_buf[..],
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/scan.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(File::open("/proc/self/status")
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:100:47
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 => snap.memory_virtual_peak = try!(parse_memory(text)),
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:102:42
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 => snap.memory_virtual = try!(parse_memory(text)),
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 => snap.memory_rss = try!(parse_memory(text)),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:106:39
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 => snap.memory_swap = try!(parse_memory(text)),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:165:22
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let value = try!(try!(pair.next().ok_or(StatusError::BadFormat))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |            try!(decimals[1..].parse::<u64>())*10)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |         Ok(try!(integer.parse::<u64>()) * 100 +
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 184 |            try!(decimals[1..].parse::<u64>()))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     try!(File::open(path)
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |     let right_paren = try!(text_buf.rfind(')')
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |     thread_info.user_time = try!(
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(iter.nth(11).ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:201:31
[INFO] [stderr]     |
[INFO] [stderr] 201 |     thread_info.system_time = try!(
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:203:35
[INFO] [stderr]     |
[INFO] [stderr] 203 |     thread_info.child_user_time = try!(
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 |     thread_info.child_system_time = try!(
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/scan.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try!(iter.next().ok_or(StatError::BadFormat)).parse());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/self_meter-07e0eab59b5457c3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests self_meter
[INFO] [stdout] running 2 tests
[INFO] [stdout] test scan::test::one_zero_uptime ... ok
[INFO] [stdout] test scan::test::normal_uptime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ad2f08ee666cdca0f9f749442b0b26ea1c22895776c2df6e93b3d002422b521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad2f08ee666cdca0f9f749442b0b26ea1c22895776c2df6e93b3d002422b521", kill_on_drop: false }`
[INFO] [stdout] 9ad2f08ee666cdca0f9f749442b0b26ea1c22895776c2df6e93b3d002422b521