[INFO] fetching crate loopdev 0.2.1...
[INFO] building loopdev-0.2.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate loopdev 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate loopdev 0.2.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loopdev 0.2.1
[INFO] finished tweaking crates.io crate loopdev 0.2.1
[INFO] tweaked toml for crates.io crate loopdev 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", 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] eab8e2bde1960df4ee666017bf0b79775813de09d3a1d719f3a179b9c8bc7293
[INFO] running `Command { std: "docker" "start" "-a" "eab8e2bde1960df4ee666017bf0b79775813de09d3a1d719f3a179b9c8bc7293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab8e2bde1960df4ee666017bf0b79775813de09d3a1d719f3a179b9c8bc7293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab8e2bde1960df4ee666017bf0b79775813de09d3a1d719f3a179b9c8bc7293", kill_on_drop: false }`
[INFO] [stdout] eab8e2bde1960df4ee666017bf0b79775813de09d3a1d719f3a179b9c8bc7293
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c62acdcae9424bd4db3870c876ff0632fc49e88f112649bbc0f9a775722e9793
[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" "c62acdcae9424bd4db3870c876ff0632fc49e88f112649bbc0f9a775722e9793", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling loopdev v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Ok(try!(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 try!(self.detach());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/lib.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/lib.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub lo_device: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:253:19
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub lo_inode: uint64_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub lo_offset: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:256:23
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub lo_number: uint32_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:260:19
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub lo_flags: uint32_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "c62acdcae9424bd4db3870c876ff0632fc49e88f112649bbc0f9a775722e9793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62acdcae9424bd4db3870c876ff0632fc49e88f112649bbc0f9a775722e9793", kill_on_drop: false }`
[INFO] [stdout] c62acdcae9424bd4db3870c876ff0632fc49e88f112649bbc0f9a775722e9793
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2c4a7a182f856e00c5beffaa52343a116df5e65fe50916053ad115f2bfa5d51
[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" "b2c4a7a182f856e00c5beffaa52343a116df5e65fe50916053ad115f2bfa5d51", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Ok(try!(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 try!(self.detach());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/lib.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/lib.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub lo_device: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:253:19
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub lo_inode: uint64_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub lo_offset: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:256:23
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub lo_number: uint32_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:260:19
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub lo_flags: uint32_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling loopdev v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Ok(try!(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 try!(self.detach());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/lib.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/lib.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub lo_device: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:253:19
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub lo_inode: uint64_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub lo_offset: uint64_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:256:23
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |     pub lo_number: uint32_t,
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]    --> src/lib.rs:260:19
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub lo_flags: uint32_t,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:264:19
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b2c4a7a182f856e00c5beffaa52343a116df5e65fe50916053ad115f2bfa5d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c4a7a182f856e00c5beffaa52343a116df5e65fe50916053ad115f2bfa5d51", kill_on_drop: false }`
[INFO] [stdout] b2c4a7a182f856e00c5beffaa52343a116df5e65fe50916053ad115f2bfa5d51
