Sep 21 12:45:32.305 INFO checking btrfs2-1.2.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 12:45:32.305 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 12:45:32.305 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:45:32.438 INFO blam! 31c680e58f407698d858241b572c16d9408d3a7ce31568381389e4b5e0806a8c
Sep 21 12:45:32.439 INFO running `"docker" "start" "-a" "31c680e58f407698d858241b572c16d9408d3a7ce31568381389e4b5e0806a8c"`
Sep 21 12:45:33.503 INFO kablam! usermod: no changes
Sep 21 12:45:33.546 INFO kablam!     Checking uuid v0.3.1
Sep 21 12:45:33.546 INFO kablam!     Checking minilzo-sys v0.1.0
Sep 21 12:45:33.790 INFO kablam!     Checking minilzo v0.1.2
Sep 21 12:45:34.046 INFO kablam!     Checking btrfs2 v1.2.2 (/source)
Sep 21 12:45:34.650 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 12:45:34.650 INFO kablam!   --> src/lib.rs:13:1
Sep 21 12:45:34.650 INFO kablam!    |
Sep 21 12:45:34.650 INFO kablam! 13 | #[ macro_use ]
Sep 21 12:45:34.650 INFO kablam!    | ^^^^^^^^^^^^^^
Sep 21 12:45:34.650 INFO kablam!    |
Sep 21 12:45:34.650 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 12:45:34.650 INFO kablam! 
Sep 21 12:45:34.654 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Sep 21 12:45:34.654 INFO kablam!  --> src/diskformat/tree/root_tree.rs:1:5
Sep 21 12:45:34.654 INFO kablam!   |
Sep 21 12:45:34.654 INFO kablam! 1 | use std::collections::BTreeMap;
Sep 21 12:45:34.654 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:34.654 INFO kablam! 
Sep 21 12:45:34.654 INFO kablam! warning: unused import: `linux::imports::*`
Sep 21 12:45:34.654 INFO kablam!  --> src/linux/ctypes/ioctl_constants.rs:1:5
Sep 21 12:45:34.654 INFO kablam!   |
Sep 21 12:45:34.654 INFO kablam! 1 | use linux::imports::*;
Sep 21 12:45:34.654 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 12:45:34.654 INFO kablam! 
Sep 21 12:45:34.753 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 12:45:34.754 INFO kablam!   --> src/lib.rs:13:1
Sep 21 12:45:34.754 INFO kablam!    |
Sep 21 12:45:34.754 INFO kablam! 13 | #[ macro_use ]
Sep 21 12:45:34.754 INFO kablam!    | ^^^^^^^^^^^^^^
Sep 21 12:45:34.754 INFO kablam!    |
Sep 21 12:45:34.754 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 12:45:34.754 INFO kablam! 
Sep 21 12:45:34.758 INFO kablam! warning: unused import: `std::collections::BTreeMap`
Sep 21 12:45:34.758 INFO kablam!  --> src/diskformat/tree/root_tree.rs:1:5
Sep 21 12:45:34.758 INFO kablam!   |
Sep 21 12:45:34.758 INFO kablam! 1 | use std::collections::BTreeMap;
Sep 21 12:45:34.758 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:34.758 INFO kablam! 
Sep 21 12:45:34.758 INFO kablam! warning: unused import: `linux::imports::*`
Sep 21 12:45:34.758 INFO kablam!  --> src/linux/ctypes/ioctl_constants.rs:1:5
Sep 21 12:45:34.758 INFO kablam!   |
Sep 21 12:45:34.758 INFO kablam! 1 | use linux::imports::*;
Sep 21 12:45:34.758 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Sep 21 12:45:34.758 INFO kablam! 
Sep 21 12:45:35.390 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.390 INFO kablam!    --> src/linux/operations/fiemap.rs:186:13
Sep 21 12:45:35.390 INFO kablam!     |
Sep 21 12:45:35.390 INFO kablam! 186 |     if let Err(e) = fiemap_result {
Sep 21 12:45:35.390 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 21 12:45:35.390 INFO kablam!     |
Sep 21 12:45:35.390 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 12:45:35.390 INFO kablam! 
Sep 21 12:45:35.390 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.390 INFO kablam!   --> src/linux/operations/filesystem_info.rs:31:13
Sep 21 12:45:35.390 INFO kablam!    |
Sep 21 12:45:35.390 INFO kablam! 31 |     if let Err(e) = get_fs_info_result {
Sep 21 12:45:35.390 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 21 12:45:35.390 INFO kablam! 
Sep 21 12:45:35.390 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.390 INFO kablam!   --> src/linux/operations/filesystem_info.rs:80:13
Sep 21 12:45:35.390 INFO kablam!    |
Sep 21 12:45:35.391 INFO kablam! 80 |     if let Err(e) = get_dev_info_result {
Sep 21 12:45:35.391 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 21 12:45:35.391 INFO kablam! 
Sep 21 12:45:35.391 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.391 INFO kablam!    --> src/linux/operations/space_info.rs:134:13
Sep 21 12:45:35.391 INFO kablam!     |
Sep 21 12:45:35.391 INFO kablam! 134 |     if let Err(e) = get_space_args_real_result {
Sep 21 12:45:35.391 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 21 12:45:35.391 INFO kablam! 
Sep 21 12:45:35.570 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.570 INFO kablam!    --> src/linux/operations/fiemap.rs:186:13
Sep 21 12:45:35.570 INFO kablam!     |
Sep 21 12:45:35.570 INFO kablam! 186 |     if let Err(e) = fiemap_result {
Sep 21 12:45:35.570 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 21 12:45:35.570 INFO kablam!     |
Sep 21 12:45:35.570 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 12:45:35.570 INFO kablam! 
Sep 21 12:45:35.570 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.570 INFO kablam!   --> src/linux/operations/filesystem_info.rs:31:13
Sep 21 12:45:35.570 INFO kablam!    |
Sep 21 12:45:35.570 INFO kablam! 31 |     if let Err(e) = get_fs_info_result {
Sep 21 12:45:35.570 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 21 12:45:35.570 INFO kablam! 
Sep 21 12:45:35.570 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.570 INFO kablam!   --> src/linux/operations/filesystem_info.rs:80:13
Sep 21 12:45:35.570 INFO kablam!    |
Sep 21 12:45:35.570 INFO kablam! 80 |     if let Err(e) = get_dev_info_result {
Sep 21 12:45:35.570 INFO kablam!    |                ^ help: consider using `_e` instead
Sep 21 12:45:35.570 INFO kablam! 
Sep 21 12:45:35.570 INFO kablam! warning: unused variable: `e`
Sep 21 12:45:35.570 INFO kablam!    --> src/linux/operations/space_info.rs:134:13
Sep 21 12:45:35.570 INFO kablam!     |
Sep 21 12:45:35.570 INFO kablam! 134 |     if let Err(e) = get_space_args_real_result {
Sep 21 12:45:35.570 INFO kablam!     |                ^ help: consider using `_e` instead
Sep 21 12:45:35.570 INFO kablam! 
Sep 21 12:45:35.702 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Sep 21 12:45:35.702 INFO kablam!    --> src/diskformat/item/extent_data.rs:215:7
Sep 21 12:45:35.702 INFO kablam!     |
Sep 21 12:45:35.702 INFO kablam! 215 |                         self.data ().other_encoding)
Sep 21 12:45:35.702 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:35.702 INFO kablam!     |
Sep 21 12:45:35.702 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Sep 21 12:45:35.702 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 21 12:45:35.702 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Sep 21 12:45:35.702 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 21 12:45:35.702 INFO kablam! 
Sep 21 12:45:35.710 INFO kablam! warning: foreign function is never used: `lzo2a_decompress`
Sep 21 12:45:35.710 INFO kablam!   --> src/compress/lzo.rs:28:2
Sep 21 12:45:35.710 INFO kablam!    |
Sep 21 12:45:35.710 INFO kablam! 28 |       fn lzo2a_decompress (
Sep 21 12:45:35.710 INFO kablam!    |  _____^
Sep 21 12:45:35.710 INFO kablam! 29 | |         src: * const u8,
Sep 21 12:45:35.710 INFO kablam! 30 | |         src_len: libc::c_uint,
Sep 21 12:45:35.710 INFO kablam! 31 | |         dst: * const u8,
Sep 21 12:45:35.710 INFO kablam! 32 | |         dst_len: * mut libc::c_uint,
Sep 21 12:45:35.710 INFO kablam! 33 | |         wrkmem: * const u8,
Sep 21 12:45:35.710 INFO kablam! 34 | |     ) -> libc::c_int;
Sep 21 12:45:35.710 INFO kablam!    | |_____________________^
Sep 21 12:45:35.710 INFO kablam!    |
Sep 21 12:45:35.710 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 12:45:35.710 INFO kablam! 
Sep 21 12:45:35.710 INFO kablam! warning: field is never used: `superblock`
Sep 21 12:45:35.710 INFO kablam!   --> src/diskformat/superblock.rs:43:2
Sep 21 12:45:35.710 INFO kablam!    |
Sep 21 12:45:35.710 INFO kablam! 43 |     superblock: & 'a BtrfsSuperblock,
Sep 21 12:45:35.710 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:35.710 INFO kablam! 
Sep 21 12:45:35.710 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.710 INFO kablam!    --> src/compress/lzo.rs:109:2
Sep 21 12:45:35.710 INFO kablam!     |
Sep 21 12:45:35.710 INFO kablam! 109 |       io::stderr ().write_all (
Sep 21 12:45:35.710 INFO kablam!     |  _____^
Sep 21 12:45:35.710 INFO kablam! 110 | |         b"LZO\r\n");
Sep 21 12:45:35.710 INFO kablam!     | |____________________^
Sep 21 12:45:35.710 INFO kablam!     |
Sep 21 12:45:35.710 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 12:45:35.710 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.710 INFO kablam! 
Sep 21 12:45:35.710 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.710 INFO kablam!    --> src/compress/lzo.rs:120:2
Sep 21 12:45:35.711 INFO kablam!     |
Sep 21 12:45:35.711 INFO kablam! 120 |       io::stderr ().write_all (
Sep 21 12:45:35.711 INFO kablam!     |  _____^
Sep 21 12:45:35.711 INFO kablam! 121 | |         b"LZO2\r\n");
Sep 21 12:45:35.711 INFO kablam!     | |_____________________^
Sep 21 12:45:35.711 INFO kablam!     |
Sep 21 12:45:35.711 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.711 INFO kablam! 
Sep 21 12:45:35.711 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.711 INFO kablam!    --> src/compress/lzo.rs:148:2
Sep 21 12:45:35.711 INFO kablam!     |
Sep 21 12:45:35.711 INFO kablam! 148 |       io::stderr ().write_all (
Sep 21 12:45:35.711 INFO kablam!     |  _____^
Sep 21 12:45:35.711 INFO kablam! 149 | |         b"LZO3\r\n");
Sep 21 12:45:35.711 INFO kablam!     | |_____________________^
Sep 21 12:45:35.711 INFO kablam!     |
Sep 21 12:45:35.711 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.711 INFO kablam! 
Sep 21 12:45:35.719 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.719 INFO kablam!    --> src/diskformat/item/extent_data.rs:236:1
Sep 21 12:45:35.719 INFO kablam!     |
Sep 21 12:45:35.719 INFO kablam! 236 | / io::stdout ().write_fmt (
Sep 21 12:45:35.719 INFO kablam! 237 | |     format_args! (
Sep 21 12:45:35.719 INFO kablam! 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
Sep 21 12:45:35.719 INFO kablam! 239 | |         raw_data.len (),
Sep 21 12:45:35.719 INFO kablam! 240 | |         uncompressed_data.len ()));
Sep 21 12:45:35.719 INFO kablam!     | |___________________________________^
Sep 21 12:45:35.719 INFO kablam!     |
Sep 21 12:45:35.719 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.719 INFO kablam! 
Sep 21 12:45:35.890 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Sep 21 12:45:35.890 INFO kablam!    --> src/diskformat/item/extent_data.rs:215:7
Sep 21 12:45:35.890 INFO kablam!     |
Sep 21 12:45:35.890 INFO kablam! 215 |                         self.data ().other_encoding)
Sep 21 12:45:35.890 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:35.890 INFO kablam!     |
Sep 21 12:45:35.890 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Sep 21 12:45:35.890 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 21 12:45:35.890 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Sep 21 12:45:35.890 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 21 12:45:35.890 INFO kablam! 
Sep 21 12:45:35.891 INFO kablam! warning: foreign function is never used: `lzo2a_decompress`
Sep 21 12:45:35.891 INFO kablam!   --> src/compress/lzo.rs:28:2
Sep 21 12:45:35.891 INFO kablam!    |
Sep 21 12:45:35.891 INFO kablam! 28 |       fn lzo2a_decompress (
Sep 21 12:45:35.891 INFO kablam!    |  _____^
Sep 21 12:45:35.891 INFO kablam! 29 | |         src: * const u8,
Sep 21 12:45:35.891 INFO kablam! 30 | |         src_len: libc::c_uint,
Sep 21 12:45:35.891 INFO kablam! 31 | |         dst: * const u8,
Sep 21 12:45:35.891 INFO kablam! 32 | |         dst_len: * mut libc::c_uint,
Sep 21 12:45:35.891 INFO kablam! 33 | |         wrkmem: * const u8,
Sep 21 12:45:35.891 INFO kablam! 34 | |     ) -> libc::c_int;
Sep 21 12:45:35.891 INFO kablam!    | |_____________________^
Sep 21 12:45:35.891 INFO kablam!    |
Sep 21 12:45:35.891 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 12:45:35.891 INFO kablam! 
Sep 21 12:45:35.892 INFO kablam! warning: field is never used: `superblock`
Sep 21 12:45:35.892 INFO kablam!   --> src/diskformat/superblock.rs:43:2
Sep 21 12:45:35.892 INFO kablam!    |
Sep 21 12:45:35.892 INFO kablam! 43 |     superblock: & 'a BtrfsSuperblock,
Sep 21 12:45:35.892 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 12:45:35.892 INFO kablam! 
Sep 21 12:45:35.893 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.893 INFO kablam!    --> src/compress/lzo.rs:109:2
Sep 21 12:45:35.893 INFO kablam!     |
Sep 21 12:45:35.893 INFO kablam! 109 |       io::stderr ().write_all (
Sep 21 12:45:35.893 INFO kablam!     |  _____^
Sep 21 12:45:35.893 INFO kablam! 110 | |         b"LZO\r\n");
Sep 21 12:45:35.893 INFO kablam!     | |____________________^
Sep 21 12:45:35.893 INFO kablam!     |
Sep 21 12:45:35.893 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 12:45:35.893 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.893 INFO kablam! 
Sep 21 12:45:35.893 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.893 INFO kablam!    --> src/compress/lzo.rs:120:2
Sep 21 12:45:35.893 INFO kablam!     |
Sep 21 12:45:35.893 INFO kablam! 120 |       io::stderr ().write_all (
Sep 21 12:45:35.893 INFO kablam!     |  _____^
Sep 21 12:45:35.893 INFO kablam! 121 | |         b"LZO2\r\n");
Sep 21 12:45:35.893 INFO kablam!     | |_____________________^
Sep 21 12:45:35.893 INFO kablam!     |
Sep 21 12:45:35.894 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.894 INFO kablam! 
Sep 21 12:45:35.894 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.894 INFO kablam!    --> src/compress/lzo.rs:148:2
Sep 21 12:45:35.894 INFO kablam!     |
Sep 21 12:45:35.894 INFO kablam! 148 |       io::stderr ().write_all (
Sep 21 12:45:35.894 INFO kablam!     |  _____^
Sep 21 12:45:35.894 INFO kablam! 149 | |         b"LZO3\r\n");
Sep 21 12:45:35.894 INFO kablam!     | |_____________________^
Sep 21 12:45:35.894 INFO kablam!     |
Sep 21 12:45:35.894 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.894 INFO kablam! 
Sep 21 12:45:35.900 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 12:45:35.900 INFO kablam!    --> src/diskformat/item/extent_data.rs:236:1
Sep 21 12:45:35.900 INFO kablam!     |
Sep 21 12:45:35.900 INFO kablam! 236 | / io::stdout ().write_fmt (
Sep 21 12:45:35.900 INFO kablam! 237 | |     format_args! (
Sep 21 12:45:35.901 INFO kablam! 238 | |         "LZO SUCCESS {} -> {} bytes\r\n",
Sep 21 12:45:35.901 INFO kablam! 239 | |         raw_data.len (),
Sep 21 12:45:35.901 INFO kablam! 240 | |         uncompressed_data.len ()));
Sep 21 12:45:35.901 INFO kablam!     | |___________________________________^
Sep 21 12:45:35.901 INFO kablam!     |
Sep 21 12:45:35.901 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 12:45:35.901 INFO kablam! 
Sep 21 12:45:35.956 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Sep 21 12:45:35.960 INFO kablam! su: No module specific data is present
Sep 21 12:45:36.648 INFO running `"docker" "rm" "-f" "31c680e58f407698d858241b572c16d9408d3a7ce31568381389e4b5e0806a8c"`
Sep 21 12:45:36.741 INFO blam! 31c680e58f407698d858241b572c16d9408d3a7ce31568381389e4b5e0806a8c