[INFO] crate loopdev 0.2.1 is already in cache
[INFO] testing loopdev-0.2.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate loopdev 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate loopdev 0.2.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 2878af99dde8cefdc65e7b67d2aa206caa5d22896b14484ba7c5ca7c30c3e641
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2878af99dde8cefdc65e7b67d2aa206caa5d22896b14484ba7c5ca7c30c3e641"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 1.35s
[INFO] running `"docker" "inspect" "2878af99dde8cefdc65e7b67d2aa206caa5d22896b14484ba7c5ca7c30c3e641"`
[INFO] running `"docker" "rm" "-f" "2878af99dde8cefdc65e7b67d2aa206caa5d22896b14484ba7c5ca7c30c3e641"`
[INFO] [stdout] 2878af99dde8cefdc65e7b67d2aa206caa5d22896b14484ba7c5ca7c30c3e641
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1d211fd71d34864f973f950f14581f11ee04d3600e10a09c98fc43702453f694
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1d211fd71d34864f973f950f14581f11ee04d3600e10a09c98fc43702453f694"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.80s
[INFO] running `"docker" "inspect" "1d211fd71d34864f973f950f14581f11ee04d3600e10a09c98fc43702453f694"`
[INFO] running `"docker" "rm" "-f" "1d211fd71d34864f973f950f14581f11ee04d3600e10a09c98fc43702453f694"`
[INFO] [stdout] 1d211fd71d34864f973f950f14581f11ee04d3600e10a09c98fc43702453f694
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] c6945526f9953753f7a23caf59d018f27df6a0edb3c13cb52bc3f331146bbcdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c6945526f9953753f7a23caf59d018f27df6a0edb3c13cb52bc3f331146bbcdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loopdev-3dd99b9187c9d9a9
[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 - LoopControl::next_free (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopDevice::attach_with_offset (line 133) ... FAILED
[INFO] [stdout] test src/lib.rs - LoopDevice::attach_file (line 117) ... 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:     0x55fd47c39955 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55fd47c39955 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55fd47c39955 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55fd47c39955 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55fd47c56bac - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55fd47c38193 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55fd47c3bde0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55fd47c3bde0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55fd47c3bde0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55fd47c3bb2c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55fd47c3c3c7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55fd47c3bfcb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55fd47c55fb1 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55fd47c55dd3 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55fd47c3349b - core::result::Result<T,E>::unwrap::h5ce0e8202fdcb110
[INFO] [stdout]   15:     0x55fd47c33a81 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55fd47c33293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x55fd47c3c798 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55fd47c3c798 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55fd47c3c798 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55fd47c3c798 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55fd47c3c798 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55fd47c33278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x55fd47c33b3b - main
[INFO] [stdout]   24:     0x7f9343fe90b3 - __libc_start_main
[INFO] [stdout]   25:     0x55fd47c3317e - _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:     0x55dafab09965 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55dafab09965 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55dafab09965 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55dafab09965 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55dafab26bbc - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55dafab081a3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55dafab0bdf0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55dafab0bdf0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55dafab0bdf0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55dafab0bb3c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55dafab0c3d7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55dafab0bfdb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55dafab25fc1 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55dafab25de3 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55dafab0349b - core::result::Result<T,E>::unwrap::h5ce0e8202fdcb110
[INFO] [stdout]   15:     0x55dafab03aa1 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55dafab03293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x55dafab0c7a8 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55dafab0c7a8 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55dafab0c7a8 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55dafab0c7a8 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55dafab0c7a8 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55dafab03278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x55dafab03b4b - main
[INFO] [stdout]   24:     0x7fd38474a0b3 - __libc_start_main
[INFO] [stdout]   25:     0x55dafab0317e - _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:     0x55c9035e58a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55c9035e58a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c9035e58a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55c9035e58a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55c90360341c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55c9035e3ca3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55c9035e7db0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55c9035e7db0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55c9035e7db0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55c9035e7afc - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55c9035e8397 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55c9035e7f9b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55c903602821 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55c903602643 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55c9035d85eb - core::result::Result<T,E>::unwrap::hf00a3b3393a1df4c
[INFO] [stdout]   15:     0x55c9035d86c6 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55c9035d8293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x55c9035e8768 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55c9035e8768 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55c9035e8768 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55c9035e8768 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c9035e8768 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55c9035d8278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x55c9035d88cb - main
[INFO] [stdout]   24:     0x7f3bd630e0b3 - __libc_start_main
[INFO] [stdout]   25:     0x55c9035d817e - _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:     0x55cb72481fe5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55cb72481fe5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55cb72481fe5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55cb72481fe5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55cb7249fb5c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55cb724803e3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55cb724844f0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x55cb724844f0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x55cb724844f0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x55cb7248423c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x55cb72484ad7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x55cb724846db - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x55cb7249ef61 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x55cb7249ed83 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x55cb724746bb - core::result::Result<T,E>::unwrap::hf00a3b3393a1df4c
[INFO] [stdout]   15:     0x55cb72474b76 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x55cb72474293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x55cb72484ea8 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x55cb72484ea8 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x55cb72484ea8 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55cb72484ea8 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55cb72484ea8 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x55cb72474278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x55cb72474deb - main
[INFO] [stdout]   24:     0x7f29e64570b3 - __libc_start_main
[INFO] [stdout]   25:     0x55cb7247417e - _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:     0x561943996975 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x561943996975 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x561943996975 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x561943996975 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x5619439b3bcc - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x5619439951b3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x561943998e00 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x561943998e00 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x561943998e00 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x561943998b4c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x5619439993e7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x561943998feb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x5619439b2fd1 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x5619439b2df3 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x56194399049b - core::result::Result<T,E>::unwrap::h5ce0e8202fdcb110
[INFO] [stdout]   15:     0x561943990aa1 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x561943990293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x5619439997b8 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x5619439997b8 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x5619439997b8 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x5619439997b8 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5619439997b8 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x561943990278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x561943990b5b - main
[INFO] [stdout]   24:     0x7fed8d03a0b3 - __libc_start_main
[INFO] [stdout]   25:     0x56194399017e - _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:     0x563aceb85965 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x563aceb85965 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x563aceb85965 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x563aceb85965 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x563aceba2bbc - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x563aceb841a3 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stdout]                                at src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x563aceb87df0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    7:     0x563aceb87df0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    8:     0x563aceb87df0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    9:     0x563aceb87b3c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:218
[INFO] [stdout]   10:     0x563aceb883d7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   11:     0x563aceb87fdb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   12:     0x563aceba1fc1 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   13:     0x563aceba1de3 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   14:     0x563aceb7f49b - core::result::Result<T,E>::unwrap::h5ce0e8202fdcb110
[INFO] [stdout]   15:     0x563aceb7faa1 - rust_out::main::hce5147e828914a17
[INFO] [stdout]   16:     0x563aceb7f293 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652
[INFO] [stdout]   17:     0x563aceb887a8 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stdout]                                at src/libstd/rt.rs:52
[INFO] [stdout]   18:     0x563aceb887a8 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stdout]                                at src/libstd/panicking.rs:297
[INFO] [stdout]   19:     0x563aceb887a8 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stdout]                                at src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x563aceb887a8 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stdout]                                at src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x563aceb887a8 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stdout]                                at src/libstd/rt.rs:51
[INFO] [stdout]   22:     0x563aceb7f278 - std::rt::lang_start::h66e0318a0fda6501
[INFO] [stdout]   23:     0x563aceb7fb4b - main
[INFO] [stdout]   24:     0x7f9939d850b3 - __libc_start_main
[INFO] [stdout]   25:     0x563aceb7f17e - _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" "c6945526f9953753f7a23caf59d018f27df6a0edb3c13cb52bc3f331146bbcdd"`
[INFO] running `"docker" "rm" "-f" "c6945526f9953753f7a23caf59d018f27df6a0edb3c13cb52bc3f331146bbcdd"`
[INFO] [stdout] c6945526f9953753f7a23caf59d018f27df6a0edb3c13cb52bc3f331146bbcdd