[INFO] crate loopdev 0.2.1 is already in cache
[INFO] testing loopdev-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate loopdev 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate loopdev 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da7b149ffbb9a4399c147c63d3aad3aefac2846ba919aba725a83774ccfb2e27
[INFO] running `"docker" "start" "-a" "da7b149ffbb9a4399c147c63d3aad3aefac2846ba919aba725a83774ccfb2e27"`
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling loopdev v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.detach());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/lib.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub lo_device: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub lo_inode: uint64_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |     pub lo_offset: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub lo_number: uint32_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:259:30
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stderr]     |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub lo_flags: uint32_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:261:24
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "da7b149ffbb9a4399c147c63d3aad3aefac2846ba919aba725a83774ccfb2e27"`
[INFO] running `"docker" "rm" "-f" "da7b149ffbb9a4399c147c63d3aad3aefac2846ba919aba725a83774ccfb2e27"`
[INFO] [stdout] da7b149ffbb9a4399c147c63d3aad3aefac2846ba919aba725a83774ccfb2e27
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8183aac77f83478a9f4df5f658e5b5b4d7ba9f17f47ee018e197405cfc5484b5
[INFO] running `"docker" "start" "-a" "8183aac77f83478a9f4df5f658e5b5b4d7ba9f17f47ee018e197405cfc5484b5"`
[INFO] [stderr]    Compiling loopdev v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.detach());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/lib.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub lo_device: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub lo_inode: uint64_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |     pub lo_offset: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub lo_number: uint32_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:259:30
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stderr]     |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub lo_flags: uint32_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:261:24
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.detach());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/lib.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub lo_device: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub lo_inode: uint64_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |     pub lo_offset: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub lo_number: uint32_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:259:30
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stderr]     |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub lo_flags: uint32_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:261:24
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "8183aac77f83478a9f4df5f658e5b5b4d7ba9f17f47ee018e197405cfc5484b5"`
[INFO] running `"docker" "rm" "-f" "8183aac77f83478a9f4df5f658e5b5b4d7ba9f17f47ee018e197405cfc5484b5"`
[INFO] [stdout] 8183aac77f83478a9f4df5f658e5b5b4d7ba9f17f47ee018e197405cfc5484b5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca813c7d3d9c9afb696ce4e270b2828b3fe2b130c19ace93d0eb2f3565897eba
[INFO] running `"docker" "start" "-a" "ca813c7d3d9c9afb696ce4e270b2828b3fe2b130c19ace93d0eb2f3565897eba"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |             dev_file: try!(OpenOptions::new().read(true).write(true).open(LOOP_CONTROL)),
[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/lib.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             Ok(try!(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.detach());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let f = try!(OpenOptions::new().read(true).write(true).open(dev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/lib.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let bf = try!(OpenOptions::new().read(true).write(true).open(backing_file));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(self.detach());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub lo_device: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/lib.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub lo_inode: uint64_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/lib.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |     pub lo_offset: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/lib.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::{c_int, ioctl, uint8_t, uint32_t, uint64_t};
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub lo_number: uint32_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub lo_device: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:259:30
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stderr]     |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub lo_inode: uint64_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub lo_flags: uint32_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:261:24
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub lo_rdevice: uint64_t,
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |     pub lo_offset: uint64_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub lo_sizelimit: uint64_t,
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:257:20
[INFO] [stderr]     |
[INFO] [stderr] 257 |     pub lo_number: uint32_t,
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub lo_encrypt_type: uint32_t,
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:259:30
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub lo_encrypt_key_size: uint32_t,
[INFO] [stderr]     |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/lib.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub lo_flags: uint32_t,
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:261:24
[INFO] [stderr]     |
[INFO] [stderr] 261 |     pub lo_file_name: [uint8_t; 64],
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub lo_crypt_name: [uint8_t; 64],
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]    --> src/lib.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub lo_encrypt_key: [uint8_t; 32],
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub lo_init: [uint64_t; 2],
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loopdev-7d4d0a6851cd538f
[INFO] [stderr]    Doc-tests loopdev
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - LoopDevice::attach_with_sizelimit (line 153) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopDevice::detach (line 214) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopDevice::attach_file (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopDevice::attach_with_offset (line 133) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopControl::next_free (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LoopDevice::attach_with_sizelimit (line 153) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563763c99e94 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x563763c99e94 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x563763c99e94 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x563763c99e94 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x563763cb7c2c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x563763c986c3 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x563763c9c3b5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x563763c9c3b5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x563763c9c3b5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x563763c9c0f2 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x563763c9c9c2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x563763c9c5ab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x563763cb7011 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x563763cb6e33 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x563763c938db - core::result::Result<T,E>::unwrap::h2cf0e61e317939d2
[INFO] [stdout]   15:     0x563763c93f8f - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x563763c93763 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x563763c9ce08 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x563763c9ce08 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x563763c9ce08 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x563763c9ce08 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x563763c9ce08 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x563763c93748 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x563763c9403b - main
[INFO] [stdout]   24:     0x7fe10f469b97 - __libc_start_main
[INFO] [stdout]   25:     0x563763c9362a - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LoopDevice::detach (line 214) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56117381beb4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x56117381beb4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x56117381beb4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x56117381beb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x561173839c4c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x56117381a6e3 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x56117381e3d5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x56117381e3d5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x56117381e3d5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x56117381e112 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x56117381e9e2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x56117381e5cb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x561173839031 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x561173838e53 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x5611738158db - core::result::Result<T,E>::unwrap::h2cf0e61e317939d2
[INFO] [stdout]   15:     0x561173815faf - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x561173815763 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x56117381ee28 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x56117381ee28 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x56117381ee28 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x56117381ee28 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x56117381ee28 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x561173815748 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x56117381605b - main
[INFO] [stdout]   24:     0x7f05f6aefb97 - __libc_start_main
[INFO] [stdout]   25:     0x56117381562a - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LoopDevice::attach_file (line 117) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558b275f5eb4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x558b275f5eb4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x558b275f5eb4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x558b275f5eb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x558b27613c4c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x558b275f46e3 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x558b275f83d5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x558b275f83d5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x558b275f83d5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x558b275f8112 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x558b275f89e2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x558b275f85cb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x558b27613031 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x558b27612e53 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x558b275ef8db - core::result::Result<T,E>::unwrap::h2cf0e61e317939d2
[INFO] [stdout]   15:     0x558b275effaf - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x558b275ef763 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x558b275f8e28 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x558b275f8e28 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x558b275f8e28 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x558b275f8e28 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x558b275f8e28 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x558b275ef748 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x558b275f005b - main
[INFO] [stdout]   24:     0x7f091f7c1b97 - __libc_start_main
[INFO] [stdout]   25:     0x558b275ef62a - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LoopDevice::attach_with_offset (line 133) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fae1732eb4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55fae1732eb4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55fae1732eb4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55fae1732eb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55fae1750c4c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x55fae17316e3 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x55fae17353d5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55fae17353d5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55fae17353d5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55fae1735112 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55fae17359e2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x55fae17355cb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x55fae1750031 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x55fae174fe53 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x55fae172c8db - core::result::Result<T,E>::unwrap::h2cf0e61e317939d2
[INFO] [stdout]   15:     0x55fae172cfaf - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55fae172c763 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x55fae1735e28 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55fae1735e28 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x55fae1735e28 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55fae1735e28 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55fae1735e28 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55fae172c748 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x55fae172d05b - main
[INFO] [stdout]   24:     0x7ff13cbb3b97 - __libc_start_main
[INFO] [stdout]   25:     0x55fae172c62a - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LoopControl::next_free (line 64) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b2a92ec074 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55b2a92ec074 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55b2a92ec074 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55b2a92ec074 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55b2a930a74c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x55b2a92ea513 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x55b2a92ee615 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55b2a92ee615 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55b2a92ee615 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55b2a92ee352 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55b2a92eec22 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x55b2a92ee80b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x55b2a9309b31 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x55b2a9309953 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x55b2a92dec1b - core::result::Result<T,E>::unwrap::h341d0c8e5d121475
[INFO] [stdout]   15:     0x55b2a92ded07 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55b2a92de8b3 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x55b2a92ef068 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55b2a92ef068 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x55b2a92ef068 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55b2a92ef068 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55b2a92ef068 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55b2a92de898 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x55b2a92def0b - main
[INFO] [stdout]   24:     0x7f18c796bb97 - __libc_start_main
[INFO] [stdout]   25:     0x55b2a92de77a - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:5:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557348270804 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x557348270804 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x557348270804 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x557348270804 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55734828eedc - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x55734826eca3 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stdout]                                at src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x557348272da5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x557348272da5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x557348272da5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x557348272ae2 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x5573482733b2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   11:     0x557348272f9b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   12:     0x55734828e2c1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   13:     0x55734828e0e3 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stdout]                                at src/libcore/option.rs:1268
[INFO] [stdout]   14:     0x557348262c8b - core::result::Result<T,E>::unwrap::h341d0c8e5d121475
[INFO] [stdout]   15:     0x557348263207 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x5573482628e3 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662
[INFO] [stdout]   17:     0x5573482737f8 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x5573482737f8 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stdout]                                at src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x5573482737f8 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x5573482737f8 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5573482737f8 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x5573482628c8 - std::rt::lang_start::hf4fc85a2e0dfc965
[INFO] [stdout]   23:     0x55734826347b - main
[INFO] [stdout]   24:     0x7ff410d2eb97 - __libc_start_main
[INFO] [stdout]   25:     0x5573482627aa - _start
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 7)
[INFO] [stdout]     src/lib.rs - LoopControl::next_free (line 64)
[INFO] [stdout]     src/lib.rs - LoopDevice::attach_file (line 117)
[INFO] [stdout]     src/lib.rs - LoopDevice::attach_with_offset (line 133)
[INFO] [stdout]     src/lib.rs - LoopDevice::attach_with_sizelimit (line 153)
[INFO] [stdout]     src/lib.rs - LoopDevice::detach (line 214)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "ca813c7d3d9c9afb696ce4e270b2828b3fe2b130c19ace93d0eb2f3565897eba"`
[INFO] running `"docker" "rm" "-f" "ca813c7d3d9c9afb696ce4e270b2828b3fe2b130c19ace93d0eb2f3565897eba"`
[INFO] [stdout] ca813c7d3d9c9afb696ce4e270b2828b3fe2b130c19ace93d0eb2f3565897eba