[INFO] fetching crate loopdev 0.2.1...
[INFO] checking loopdev-0.2.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate loopdev 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate loopdev 0.2.1 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 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-0/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-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" "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" "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] 1818f91a989db1b7db1b5da6952758ef2496436096132c1e381cc8fb41c8b150
[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" "1818f91a989db1b7db1b5da6952758ef2496436096132c1e381cc8fb41c8b150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1818f91a989db1b7db1b5da6952758ef2496436096132c1e381cc8fb41c8b150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1818f91a989db1b7db1b5da6952758ef2496436096132c1e381cc8fb41c8b150", kill_on_drop: false }`
[INFO] [stdout] 1818f91a989db1b7db1b5da6952758ef2496436096132c1e381cc8fb41c8b150
[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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8da65abf0e484c6612c8920d5c14552178983842298bde6d78bc4a797ccede2
[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" "b8da65abf0e484c6612c8920d5c14552178983842298bde6d78bc4a797ccede2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking loopdev v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "b8da65abf0e484c6612c8920d5c14552178983842298bde6d78bc4a797ccede2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8da65abf0e484c6612c8920d5c14552178983842298bde6d78bc4a797ccede2", kill_on_drop: false }`
[INFO] [stdout] b8da65abf0e484c6612c8920d5c14552178983842298bde6d78bc4a797ccede2
