[INFO] fetching crate libudev 0.3.0...
[INFO] checking libudev-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate libudev 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libudev 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libudev 0.3.0
[INFO] finished tweaking crates.io crate libudev 0.3.0
[INFO] tweaked toml for crates.io crate libudev 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate libudev 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b0d6c0c5dbce19ab1c8c69095f785a7e8f65780a1fee29e37f8dde004911489
[INFO] running `Command { std: "docker" "start" "-a" "0b0d6c0c5dbce19ab1c8c69095f785a7e8f65780a1fee29e37f8dde004911489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0d6c0c5dbce19ab1c8c69095f785a7e8f65780a1fee29e37f8dde004911489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0d6c0c5dbce19ab1c8c69095f785a7e8f65780a1fee29e37f8dde004911489", kill_on_drop: false }`
[INFO] [stdout] 0b0d6c0c5dbce19ab1c8c69095f785a7e8f65780a1fee29e37f8dde004911489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2e149043df2a6963e18836f7c216d119f91acefad15e1bd87d825bd6553d2d
[INFO] running `Command { std: "docker" "start" "-a" "6b2e149043df2a6963e18836f7c216d119f91acefad15e1bd87d825bd6553d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking libudev v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/device.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |         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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:126:23
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/device.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |         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 macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let sysname = try!(::util::os_str_to_cstring(sysname));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let property = try!(::util::os_str_to_cstring(property));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/enumerator.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let attribute = try!(::util::os_str_to_cstring(attribute));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let value = try!(::util::os_str_to_cstring(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:126:23
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let syspath = try!(::util::os_str_to_cstring(syspath));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/enumerator.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         try!(::util::errno_to_result(unsafe {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let subsystem = try!(::util::os_str_to_cstring(subsystem));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let devtype = try!(::util::os_str_to_cstring(devtype));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let tag = try!(::util::os_str_to_cstring(tag));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/monitor.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         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 macro `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]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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] 
[INFO] [stdout] warning: use of deprecated macro `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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 macro `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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "6b2e149043df2a6963e18836f7c216d119f91acefad15e1bd87d825bd6553d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2e149043df2a6963e18836f7c216d119f91acefad15e1bd87d825bd6553d2d", kill_on_drop: false }`
[INFO] [stdout] 6b2e149043df2a6963e18836f7c216d119f91acefad15e1bd87d825bd6553d2d