[INFO] crate libudev 0.2.0 is already in cache
[INFO] testing libudev-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate libudev 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libudev 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libudev 0.2.0
[INFO] finished tweaking crates.io crate libudev 0.2.0
[INFO] tweaked toml for crates.io crate libudev 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47e2d9488f7c4d28428551e21b1e631cdea97b08bcb7bf0c815da99f38729c1
[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" "e47e2d9488f7c4d28428551e21b1e631cdea97b08bcb7bf0c815da99f38729c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47e2d9488f7c4d28428551e21b1e631cdea97b08bcb7bf0c815da99f38729c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47e2d9488f7c4d28428551e21b1e631cdea97b08bcb7bf0c815da99f38729c1", kill_on_drop: false }`
[INFO] [stdout] e47e2d9488f7c4d28428551e21b1e631cdea97b08bcb7bf0c815da99f38729c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da15b05725f15a0906c20eede094b2d99f358fa3ca14c401e97b53c0f7a9a97f
[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" "da15b05725f15a0906c20eede094b2d99f358fa3ca14c401e97b53c0f7a9a97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libudev v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[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/device.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "da15b05725f15a0906c20eede094b2d99f358fa3ca14c401e97b53c0f7a9a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da15b05725f15a0906c20eede094b2d99f358fa3ca14c401e97b53c0f7a9a97f", kill_on_drop: false }`
[INFO] [stdout] da15b05725f15a0906c20eede094b2d99f358fa3ca14c401e97b53c0f7a9a97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "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] 32565ae9bdefcc0b4739dfcd7df278f013a759f77f0dbce64482e739405da881
[INFO] running `Command { std: "docker" "start" "-a" "32565ae9bdefcc0b4739dfcd7df278f013a759f77f0dbce64482e739405da881", kill_on_drop: false }`
[INFO] [stderr]    Compiling libudev v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[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/device.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/list_devices.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut enumerator = try!(libudev::Enumerator::new(&context));
[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]   --> examples/list_devices.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for device in try!(enumerator.scan_devices()) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/monitor.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut monitor = try!(libudev::Monitor::new(&context));
[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]   --> examples/monitor.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     try!(monitor.match_subsystem_devtype("usb", "usb_device"));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> examples/monitor.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut socket = try!(monitor.listen());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `timespec`
[INFO] [stdout]   --> examples/monitor.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{c_void,c_int,c_short,c_ulong,timespec};
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/context.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[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/device.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "32565ae9bdefcc0b4739dfcd7df278f013a759f77f0dbce64482e739405da881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32565ae9bdefcc0b4739dfcd7df278f013a759f77f0dbce64482e739405da881", kill_on_drop: false }`
[INFO] [stdout] 32565ae9bdefcc0b4739dfcd7df278f013a759f77f0dbce64482e739405da881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f267b802d68ad28e8e9bf429a5edd03ff9a222a94db6a4a6bc7e13cb127e60d0
[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" "f267b802d68ad28e8e9bf429a5edd03ff9a222a94db6a4a6bc7e13cb127e60d0", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[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/device.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/device.rs:193:21
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         try!(::util::errno_to_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(::util::errno_to_result(unsafe {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/context.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[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]   --> examples/list_devices.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut enumerator = try!(libudev::Enumerator::new(&context));
[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/device.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/list_devices.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for device in try!(enumerator.scan_devices()) {
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/device.rs:193:21
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/enumerator.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/enumerator.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         try!(::util::errno_to_result(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:67:19
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/monitor.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(::util::errno_to_result(unsafe {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/monitor.rs:40:23
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut monitor = try!(libudev::Monitor::new(&context));
[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]   --> examples/monitor.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     try!(monitor.match_subsystem_devtype("usb", "usb_device"));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> examples/monitor.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut socket = try!(monitor.listen());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `timespec`
[INFO] [stderr]   --> examples/monitor.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 | use libc::{c_void,c_int,c_short,c_ulong,timespec};
[INFO] [stderr]    |                                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libudev-b4e88be3a13d4e29
[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] [stderr]    Doc-tests libudev
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/device.rs - device::Device::properties (line 206) ... ok
[INFO] [stdout] test src/device.rs - device::Device::attributes (line 227) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f267b802d68ad28e8e9bf429a5edd03ff9a222a94db6a4a6bc7e13cb127e60d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f267b802d68ad28e8e9bf429a5edd03ff9a222a94db6a4a6bc7e13cb127e60d0", kill_on_drop: false }`
[INFO] [stdout] f267b802d68ad28e8e9bf429a5edd03ff9a222a94db6a4a6bc7e13cb127e60d0