Sep 02 01:48:47.519 INFO checking btrfs2-1.2.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 02 01:48:47.519 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 01:48:47.520 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 01:48:47.667 INFO blam! b615d008505731b8b44fa14ef2d8eb58bc61e39198093a2e68c255e583d888a7
Sep 02 01:48:47.668 INFO running `"docker" "start" "-a" "b615d008505731b8b44fa14ef2d8eb58bc61e39198093a2e68c255e583d888a7"`
Sep 02 01:48:48.300 INFO kablam!     Checking btrfs2 v1.2.2 (file:///source)
Sep 02 01:48:49.690 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 01:48:49.690 INFO kablam!   --> src/lib.rs:13:1
Sep 02 01:48:49.690 INFO kablam!    |
Sep 02 01:48:49.690 INFO kablam! 13 | #[ macro_use ]
Sep 02 01:48:49.690 INFO kablam!    | ^^^^^^^^^^^^^^
Sep 02 01:48:49.690 INFO kablam!    |
Sep 02 01:48:49.691 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 01:48:49.691 INFO kablam! 
Sep 02 01:48:49.705 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Sep 02 01:48:49.705 INFO kablam!  --> src/diskformat/tree/root_tree.rs:1:5
Sep 02 01:48:49.705 INFO kablam!   |
Sep 02 01:48:49.705 INFO kablam! 1 | use std::collections::BTreeMap;
Sep 02 01:48:49.706 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:49.706 INFO kablam! 
Sep 02 01:48:49.706 INFO kablam! warning: unused import: `linux::imports::*`
Sep 02 01:48:49.706 INFO kablam!  --> src/linux/ctypes/ioctl_constants.rs:1:5
Sep 02 01:48:49.707 INFO kablam!   |
Sep 02 01:48:49.707 INFO kablam! 1 | use linux::imports::*;
Sep 02 01:48:49.707 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 02 01:48:49.707 INFO kablam! 
Sep 02 01:48:49.895 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 01:48:49.896 INFO kablam!   --> src/lib.rs:13:1
Sep 02 01:48:49.896 INFO kablam!    |
Sep 02 01:48:49.896 INFO kablam! 13 | #[ macro_use ]
Sep 02 01:48:49.896 INFO kablam!    | ^^^^^^^^^^^^^^
Sep 02 01:48:49.896 INFO kablam!    |
Sep 02 01:48:49.896 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 01:48:49.896 INFO kablam! 
Sep 02 01:48:49.910 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Sep 02 01:48:49.910 INFO kablam!  --> src/diskformat/tree/root_tree.rs:1:5
Sep 02 01:48:49.910 INFO kablam!   |
Sep 02 01:48:49.910 INFO kablam! 1 | use std::collections::BTreeMap;
Sep 02 01:48:49.910 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:49.910 INFO kablam! 
Sep 02 01:48:49.911 INFO kablam! warning: unused import: `linux::imports::*`
Sep 02 01:48:49.911 INFO kablam!  --> src/linux/ctypes/ioctl_constants.rs:1:5
Sep 02 01:48:49.911 INFO kablam!   |
Sep 02 01:48:49.911 INFO kablam! 1 | use linux::imports::*;
Sep 02 01:48:49.911 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 02 01:48:49.911 INFO kablam! 
Sep 02 01:48:51.126 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.126 INFO kablam!    --> src/linux/operations/fiemap.rs:186:13
Sep 02 01:48:51.126 INFO kablam!     |
Sep 02 01:48:51.126 INFO kablam! 186 |     if let Err(e) = fiemap_result {
Sep 02 01:48:51.126 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 02 01:48:51.126 INFO kablam!     |
Sep 02 01:48:51.126 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 01:48:51.126 INFO kablam! 
Sep 02 01:48:51.127 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.127 INFO kablam!   --> src/linux/operations/filesystem_info.rs:31:13
Sep 02 01:48:51.127 INFO kablam!    |
Sep 02 01:48:51.127 INFO kablam! 31 |     if let Err(e) = get_fs_info_result {
Sep 02 01:48:51.127 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 02 01:48:51.127 INFO kablam! 
Sep 02 01:48:51.127 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.127 INFO kablam!   --> src/linux/operations/filesystem_info.rs:80:13
Sep 02 01:48:51.127 INFO kablam!    |
Sep 02 01:48:51.127 INFO kablam! 80 |     if let Err(e) = get_dev_info_result {
Sep 02 01:48:51.127 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 02 01:48:51.127 INFO kablam! 
Sep 02 01:48:51.127 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.127 INFO kablam!    --> src/linux/operations/space_info.rs:134:13
Sep 02 01:48:51.127 INFO kablam!     |
Sep 02 01:48:51.127 INFO kablam! 134 |     if let Err(e) = get_space_args_real_result {
Sep 02 01:48:51.127 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 02 01:48:51.127 INFO kablam! 
Sep 02 01:48:51.503 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.503 INFO kablam!    --> src/linux/operations/fiemap.rs:186:13
Sep 02 01:48:51.503 INFO kablam!     |
Sep 02 01:48:51.503 INFO kablam! 186 |     if let Err(e) = fiemap_result {
Sep 02 01:48:51.503 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 02 01:48:51.503 INFO kablam!     |
Sep 02 01:48:51.503 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 01:48:51.503 INFO kablam! 
Sep 02 01:48:51.503 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.503 INFO kablam!   --> src/linux/operations/filesystem_info.rs:31:13
Sep 02 01:48:51.503 INFO kablam!    |
Sep 02 01:48:51.503 INFO kablam! 31 |     if let Err(e) = get_fs_info_result {
Sep 02 01:48:51.504 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 02 01:48:51.504 INFO kablam! 
Sep 02 01:48:51.504 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.504 INFO kablam!   --> src/linux/operations/filesystem_info.rs:80:13
Sep 02 01:48:51.504 INFO kablam!    |
Sep 02 01:48:51.504 INFO kablam! 80 |     if let Err(e) = get_dev_info_result {
Sep 02 01:48:51.504 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 02 01:48:51.504 INFO kablam! 
Sep 02 01:48:51.504 INFO kablam! warning: unused variable: `e`
Sep 02 01:48:51.504 INFO kablam!    --> src/linux/operations/space_info.rs:134:13
Sep 02 01:48:51.504 INFO kablam!     |
Sep 02 01:48:51.504 INFO kablam! 134 |     if let Err(e) = get_space_args_real_result {
Sep 02 01:48:51.504 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 02 01:48:51.504 INFO kablam! 
Sep 02 01:48:51.661 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Sep 02 01:48:51.662 INFO kablam!    --> src/diskformat/item/extent_data.rs:215:7
Sep 02 01:48:51.662 INFO kablam!     |
Sep 02 01:48:51.662 INFO kablam! 215 |                         self.data ().other_encoding)
Sep 02 01:48:51.662 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:51.662 INFO kablam!     |
Sep 02 01:48:51.662 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Sep 02 01:48:51.662 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 02 01:48:51.662 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Sep 02 01:48:51.662 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Sep 02 01:48:51.662 INFO kablam! 
Sep 02 01:48:51.665 INFO kablam! warning: foreign function is never used: `lzo2a_decompress`
Sep 02 01:48:51.665 INFO kablam!   --> src/compress/lzo.rs:28:2
Sep 02 01:48:51.665 INFO kablam!    |
Sep 02 01:48:51.665 INFO kablam! 28 |       fn lzo2a_decompress (
Sep 02 01:48:51.665 INFO kablam!    |  _____^
Sep 02 01:48:51.665 INFO kablam! 29 | |         src: * const u8,
Sep 02 01:48:51.665 INFO kablam! 30 | |         src_len: libc::c_uint,
Sep 02 01:48:51.665 INFO kablam! 31 | |         dst: * const u8,
Sep 02 01:48:51.665 INFO kablam! 32 | |         dst_len: * mut libc::c_uint,
Sep 02 01:48:51.665 INFO kablam! 33 | |         wrkmem: * const u8,
Sep 02 01:48:51.665 INFO kablam! 34 | |     ) -> libc::c_int;
Sep 02 01:48:51.665 INFO kablam!    | |_____________________^
Sep 02 01:48:51.665 INFO kablam!    |
Sep 02 01:48:51.665 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 01:48:51.665 INFO kablam! 
Sep 02 01:48:51.665 INFO kablam! warning: field is never used: `superblock`
Sep 02 01:48:51.666 INFO kablam!   --> src/diskformat/superblock.rs:43:2
Sep 02 01:48:51.666 INFO kablam!    |
Sep 02 01:48:51.666 INFO kablam! 43 |     superblock: & 'a BtrfsSuperblock,
Sep 02 01:48:51.666 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:51.666 INFO kablam! 
Sep 02 01:48:51.667 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.668 INFO kablam!    --> src/compress/lzo.rs:109:2
Sep 02 01:48:51.668 INFO kablam!     |
Sep 02 01:48:51.668 INFO kablam! 109 |       io::stderr ().write_all (
Sep 02 01:48:51.668 INFO kablam!     |  _____^
Sep 02 01:48:51.668 INFO kablam! 110 | |         b"LZO\r\n");
Sep 02 01:48:51.668 INFO kablam!     | |____________________^
Sep 02 01:48:51.668 INFO kablam!     |
Sep 02 01:48:51.668 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 01:48:51.668 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.668 INFO kablam! 
Sep 02 01:48:51.668 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.668 INFO kablam!    --> src/compress/lzo.rs:120:2
Sep 02 01:48:51.668 INFO kablam!     |
Sep 02 01:48:51.668 INFO kablam! 120 |       io::stderr ().write_all (
Sep 02 01:48:51.668 INFO kablam!     |  _____^
Sep 02 01:48:51.668 INFO kablam! 121 | |         b"LZO2\r\n");
Sep 02 01:48:51.668 INFO kablam!     | |_____________________^
Sep 02 01:48:51.668 INFO kablam!     |
Sep 02 01:48:51.668 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.668 INFO kablam! 
Sep 02 01:48:51.669 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.669 INFO kablam!    --> src/compress/lzo.rs:148:2
Sep 02 01:48:51.669 INFO kablam!     |
Sep 02 01:48:51.669 INFO kablam! 148 |       io::stderr ().write_all (
Sep 02 01:48:51.669 INFO kablam!     |  _____^
Sep 02 01:48:51.669 INFO kablam! 149 | |         b"LZO3\r\n");
Sep 02 01:48:51.669 INFO kablam!     | |_____________________^
Sep 02 01:48:51.669 INFO kablam!     |
Sep 02 01:48:51.669 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.669 INFO kablam! 
Sep 02 01:48:51.677 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.677 INFO kablam!    --> src/diskformat/item/extent_data.rs:236:1
Sep 02 01:48:51.677 INFO kablam!     |
Sep 02 01:48:51.677 INFO kablam! 236 | / io::stdout ().write_fmt (
Sep 02 01:48:51.677 INFO kablam! 237 | |     format_args! (
Sep 02 01:48:51.677 INFO kablam! 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
Sep 02 01:48:51.677 INFO kablam! 239 | |         raw_data.len (),
Sep 02 01:48:51.677 INFO kablam! 240 | |         uncompressed_data.len ()));
Sep 02 01:48:51.677 INFO kablam!     | |___________________________________^
Sep 02 01:48:51.677 INFO kablam!     |
Sep 02 01:48:51.677 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.677 INFO kablam! 
Sep 02 01:48:51.911 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Sep 02 01:48:51.911 INFO kablam!    --> src/diskformat/item/extent_data.rs:215:7
Sep 02 01:48:51.911 INFO kablam!     |
Sep 02 01:48:51.911 INFO kablam! 215 |                         self.data ().other_encoding)
Sep 02 01:48:51.911 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:51.911 INFO kablam!     |
Sep 02 01:48:51.911 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Sep 02 01:48:51.911 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 02 01:48:51.911 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Sep 02 01:48:51.911 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Sep 02 01:48:51.911 INFO kablam! 
Sep 02 01:48:51.914 INFO kablam! warning: foreign function is never used: `lzo2a_decompress`
Sep 02 01:48:51.914 INFO kablam!   --> src/compress/lzo.rs:28:2
Sep 02 01:48:51.914 INFO kablam!    |
Sep 02 01:48:51.914 INFO kablam! 28 |       fn lzo2a_decompress (
Sep 02 01:48:51.914 INFO kablam!    |  _____^
Sep 02 01:48:51.914 INFO kablam! 29 | |         src: * const u8,
Sep 02 01:48:51.914 INFO kablam! 30 | |         src_len: libc::c_uint,
Sep 02 01:48:51.914 INFO kablam! 31 | |         dst: * const u8,
Sep 02 01:48:51.914 INFO kablam! 32 | |         dst_len: * mut libc::c_uint,
Sep 02 01:48:51.914 INFO kablam! 33 | |         wrkmem: * const u8,
Sep 02 01:48:51.914 INFO kablam! 34 | |     ) -> libc::c_int;
Sep 02 01:48:51.914 INFO kablam!    | |_____________________^
Sep 02 01:48:51.914 INFO kablam!    |
Sep 02 01:48:51.914 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 01:48:51.914 INFO kablam! 
Sep 02 01:48:51.914 INFO kablam! warning: field is never used: `superblock`
Sep 02 01:48:51.914 INFO kablam!   --> src/diskformat/superblock.rs:43:2
Sep 02 01:48:51.914 INFO kablam!    |
Sep 02 01:48:51.914 INFO kablam! 43 |     superblock: & 'a BtrfsSuperblock,
Sep 02 01:48:51.914 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 01:48:51.914 INFO kablam! 
Sep 02 01:48:51.916 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.916 INFO kablam!    --> src/compress/lzo.rs:109:2
Sep 02 01:48:51.916 INFO kablam!     |
Sep 02 01:48:51.916 INFO kablam! 109 |       io::stderr ().write_all (
Sep 02 01:48:51.916 INFO kablam!     |  _____^
Sep 02 01:48:51.916 INFO kablam! 110 | |         b"LZO\r\n");
Sep 02 01:48:51.916 INFO kablam!     | |____________________^
Sep 02 01:48:51.916 INFO kablam!     |
Sep 02 01:48:51.916 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 01:48:51.916 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.916 INFO kablam! 
Sep 02 01:48:51.916 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.916 INFO kablam!    --> src/compress/lzo.rs:120:2
Sep 02 01:48:51.916 INFO kablam!     |
Sep 02 01:48:51.916 INFO kablam! 120 |       io::stderr ().write_all (
Sep 02 01:48:51.916 INFO kablam!     |  _____^
Sep 02 01:48:51.916 INFO kablam! 121 | |         b"LZO2\r\n");
Sep 02 01:48:51.917 INFO kablam!     | |_____________________^
Sep 02 01:48:51.917 INFO kablam!     |
Sep 02 01:48:51.917 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.917 INFO kablam! 
Sep 02 01:48:51.917 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.917 INFO kablam!    --> src/compress/lzo.rs:148:2
Sep 02 01:48:51.917 INFO kablam!     |
Sep 02 01:48:51.917 INFO kablam! 148 |       io::stderr ().write_all (
Sep 02 01:48:51.917 INFO kablam!     |  _____^
Sep 02 01:48:51.917 INFO kablam! 149 | |         b"LZO3\r\n");
Sep 02 01:48:51.917 INFO kablam!     | |_____________________^
Sep 02 01:48:51.917 INFO kablam!     |
Sep 02 01:48:51.917 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.917 INFO kablam! 
Sep 02 01:48:51.924 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 01:48:51.924 INFO kablam!    --> src/diskformat/item/extent_data.rs:236:1
Sep 02 01:48:51.924 INFO kablam!     |
Sep 02 01:48:51.924 INFO kablam! 236 | / io::stdout ().write_fmt (
Sep 02 01:48:51.924 INFO kablam! 237 | |     format_args! (
Sep 02 01:48:51.924 INFO kablam! 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
Sep 02 01:48:51.924 INFO kablam! 239 | |         raw_data.len (),
Sep 02 01:48:51.924 INFO kablam! 240 | |         uncompressed_data.len ()));
Sep 02 01:48:51.925 INFO kablam!     | |___________________________________^
Sep 02 01:48:51.925 INFO kablam!     |
Sep 02 01:48:51.925 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 01:48:51.925 INFO kablam! 
Sep 02 01:48:51.981 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
Sep 02 01:48:51.988 INFO kablam! su: No module specific data is present
Sep 02 01:48:52.483 INFO running `"docker" "rm" "-f" "b615d008505731b8b44fa14ef2d8eb58bc61e39198093a2e68c255e583d888a7"`
Sep 02 01:48:52.586 INFO blam! b615d008505731b8b44fa14ef2d8eb58bc61e39198093a2e68c255e583d888a7