Oct 31 20:43:19.697 INFO checking souvik1997/fsbench against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 20:43:19.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 20:43:20.201 INFO blam! bdc66d7f22c8714e29f4ddce447907a511c7b3c358295a31d1d0b6157ba57205
Oct 31 20:43:20.204 INFO running `"docker" "start" "-a" "bdc66d7f22c8714e29f4ddce447907a511c7b3c358295a31d1d0b6157ba57205"`
Oct 31 20:43:22.655 INFO kablam! usermod: no changes
Oct 31 20:43:22.922 INFO kablam!     Checking num-integer v0.1.36
Oct 31 20:43:22.923 INFO kablam!     Checking log v0.4.1
Oct 31 20:43:22.923 INFO kablam!     Checking num-complex v0.1.43
Oct 31 20:43:22.923 INFO kablam!     Checking colored v1.6.0
Oct 31 20:43:22.928 INFO kablam!     Checking serde_json v1.0.11
Oct 31 20:43:22.933 INFO kablam!     Checking crossbeam-epoch v0.3.0
Oct 31 20:43:22.937 INFO kablam!    Compiling num-derive v0.2.0
Oct 31 20:43:25.576 INFO kablam!     Checking num-bigint v0.1.43
Oct 31 20:43:25.576 INFO kablam!     Checking num-iter v0.1.35
Oct 31 20:43:25.708 INFO kablam!     Checking crossbeam-deque v0.2.0
Oct 31 20:43:25.748 INFO kablam!     Checking fern v0.5.2
Oct 31 20:43:28.294 INFO kablam!     Checking rayon-core v1.4.0
Oct 31 20:43:31.102 INFO kablam!     Checking rayon v1.0.0
Oct 31 20:43:32.449 INFO kablam!     Checking num-rational v0.1.42
Oct 31 20:43:34.191 INFO kablam!     Checking num v0.1.42
Oct 31 20:43:34.713 INFO kablam!     Checking chrono v0.4.0
Oct 31 20:43:38.910 INFO kablam!     Checking fsbench v0.1.0 (/source)
Oct 31 20:43:40.611 INFO kablam! warning: unused import: `std::process::Command`
Oct 31 20:43:40.611 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 31 20:43:40.611 INFO kablam!     |
Oct 31 20:43:40.611 INFO kablam! 173 |         use std::process::Command;
Oct 31 20:43:40.611 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:40.611 INFO kablam!     |
Oct 31 20:43:40.611 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 31 20:43:40.611 INFO kablam! 
Oct 31 20:43:40.745 INFO kablam! warning: unused import: `std::process::Command`
Oct 31 20:43:40.747 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 31 20:43:40.747 INFO kablam!     |
Oct 31 20:43:40.747 INFO kablam! 173 |         use std::process::Command;
Oct 31 20:43:40.747 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:40.747 INFO kablam!     |
Oct 31 20:43:40.747 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 31 20:43:40.747 INFO kablam! 
Oct 31 20:43:42.268 INFO kablam! warning: unused variable: `split_string`
Oct 31 20:43:42.269 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 31 20:43:42.270 INFO kablam!    |
Oct 31 20:43:42.270 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 31 20:43:42.271 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 31 20:43:42.272 INFO kablam!    |
Oct 31 20:43:42.272 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:43:42.273 INFO kablam! 
Oct 31 20:43:42.276 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 31 20:43:42.276 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 31 20:43:42.277 INFO kablam!     |
Oct 31 20:43:42.278 INFO kablam! 304 |         let mut bytes = 0;
Oct 31 20:43:42.278 INFO kablam!     |                 ^^^^^
Oct 31 20:43:42.279 INFO kablam!     |
Oct 31 20:43:42.280 INFO kablam!     = note: consider using `_bytes` instead
Oct 31 20:43:42.280 INFO kablam! 
Oct 31 20:43:42.460 INFO kablam! warning: unused variable: `split_string`
Oct 31 20:43:42.461 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 31 20:43:42.462 INFO kablam!    |
Oct 31 20:43:42.462 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 31 20:43:42.463 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 31 20:43:42.464 INFO kablam!    |
Oct 31 20:43:42.464 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:43:42.465 INFO kablam! 
Oct 31 20:43:42.465 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 31 20:43:42.466 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 31 20:43:42.467 INFO kablam!     |
Oct 31 20:43:42.467 INFO kablam! 304 |         let mut bytes = 0;
Oct 31 20:43:42.468 INFO kablam!     |                 ^^^^^
Oct 31 20:43:42.468 INFO kablam!     |
Oct 31 20:43:42.468 INFO kablam!     = note: consider using `_bytes` instead
Oct 31 20:43:42.468 INFO kablam! 
Oct 31 20:43:42.896 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 31 20:43:42.897 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 31 20:43:42.898 INFO kablam!   |
Oct 31 20:43:42.898 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 31 20:43:42.899 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.899 INFO kablam!   |
Oct 31 20:43:42.900 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:43:42.901 INFO kablam! 
Oct 31 20:43:42.902 INFO kablam! warning: field is never used: `elapsed`
Oct 31 20:43:42.902 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 31 20:43:42.903 INFO kablam!     |
Oct 31 20:43:42.903 INFO kablam! 147 |     elapsed: Duration,
Oct 31 20:43:42.904 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.904 INFO kablam! 
Oct 31 20:43:42.905 INFO kablam! warning: method is never used: `total_duration`
Oct 31 20:43:42.906 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 31 20:43:42.906 INFO kablam!     |
Oct 31 20:43:42.907 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 31 20:43:42.907 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.908 INFO kablam! 
Oct 31 20:43:42.909 INFO kablam! warning: struct is never constructed: `Read`
Oct 31 20:43:42.910 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 31 20:43:42.910 INFO kablam!     |
Oct 31 20:43:42.911 INFO kablam! 160 | pub struct Read {
Oct 31 20:43:42.911 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 31 20:43:42.912 INFO kablam! 
Oct 31 20:43:42.916 INFO kablam! warning: method is never used: `new`
Oct 31 20:43:42.917 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 31 20:43:42.918 INFO kablam!     |
Oct 31 20:43:42.918 INFO kablam! 165 |     pub fn new() -> Read {
Oct 31 20:43:42.919 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.919 INFO kablam! 
Oct 31 20:43:42.920 INFO kablam! warning: method is never used: `run`
Oct 31 20:43:42.921 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 31 20:43:42.921 INFO kablam!     |
Oct 31 20:43:42.922 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 31 20:43:42.923 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.923 INFO kablam! 
Oct 31 20:43:42.924 INFO kablam! warning: struct is never constructed: `Write`
Oct 31 20:43:42.924 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 31 20:43:42.925 INFO kablam!     |
Oct 31 20:43:42.926 INFO kablam! 192 | pub struct Write {
Oct 31 20:43:42.926 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 31 20:43:42.927 INFO kablam! 
Oct 31 20:43:42.927 INFO kablam! warning: method is never used: `new`
Oct 31 20:43:42.928 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 31 20:43:42.928 INFO kablam!     |
Oct 31 20:43:42.929 INFO kablam! 197 |     pub fn new() -> Write {
Oct 31 20:43:42.930 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.930 INFO kablam! 
Oct 31 20:43:42.931 INFO kablam! warning: method is never used: `run`
Oct 31 20:43:42.931 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 31 20:43:42.932 INFO kablam!     |
Oct 31 20:43:42.932 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 31 20:43:42.933 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.934 INFO kablam! 
Oct 31 20:43:42.934 INFO kablam! warning: method is never used: `ops_per_second`
Oct 31 20:43:42.935 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 31 20:43:42.936 INFO kablam!    |
Oct 31 20:43:42.936 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 31 20:43:42.939 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:42.939 INFO kablam! 
Oct 31 20:43:42.939 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 31 20:43:42.940 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:43:42.940 INFO kablam!   |
Oct 31 20:43:42.941 INFO kablam! 1 | #![feature(duration_extras)]
Oct 31 20:43:42.942 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 31 20:43:42.942 INFO kablam!   |
Oct 31 20:43:42.943 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:43:42.943 INFO kablam! 
Oct 31 20:43:43.167 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 31 20:43:43.167 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 31 20:43:43.167 INFO kablam!   |
Oct 31 20:43:43.167 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 31 20:43:43.168 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.168 INFO kablam!   |
Oct 31 20:43:43.168 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:43:43.168 INFO kablam! 
Oct 31 20:43:43.168 INFO kablam! warning: field is never used: `elapsed`
Oct 31 20:43:43.168 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 31 20:43:43.169 INFO kablam!     |
Oct 31 20:43:43.169 INFO kablam! 147 |     elapsed: Duration,
Oct 31 20:43:43.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.169 INFO kablam! 
Oct 31 20:43:43.169 INFO kablam! warning: method is never used: `total_duration`
Oct 31 20:43:43.169 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 31 20:43:43.169 INFO kablam!     |
Oct 31 20:43:43.169 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 31 20:43:43.169 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.169 INFO kablam! 
Oct 31 20:43:43.169 INFO kablam! warning: struct is never constructed: `Read`
Oct 31 20:43:43.169 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 160 | pub struct Read {
Oct 31 20:43:43.170 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: method is never used: `new`
Oct 31 20:43:43.170 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 165 |     pub fn new() -> Read {
Oct 31 20:43:43.170 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: method is never used: `run`
Oct 31 20:43:43.170 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 31 20:43:43.170 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: struct is never constructed: `Write`
Oct 31 20:43:43.170 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 192 | pub struct Write {
Oct 31 20:43:43.170 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: method is never used: `new`
Oct 31 20:43:43.170 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 197 |     pub fn new() -> Write {
Oct 31 20:43:43.170 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: method is never used: `run`
Oct 31 20:43:43.170 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 31 20:43:43.170 INFO kablam!     |
Oct 31 20:43:43.170 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 31 20:43:43.170 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: method is never used: `ops_per_second`
Oct 31 20:43:43.170 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 31 20:43:43.170 INFO kablam!    |
Oct 31 20:43:43.170 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 31 20:43:43.170 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.170 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 31 20:43:43.170 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:43:43.170 INFO kablam!   |
Oct 31 20:43:43.170 INFO kablam! 1 | #![feature(duration_extras)]
Oct 31 20:43:43.170 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 31 20:43:43.170 INFO kablam!   |
Oct 31 20:43:43.170 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:43:43.170 INFO kablam! 
Oct 31 20:43:43.296 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.61s
Oct 31 20:43:43.316 INFO kablam! su: No module specific data is present
Oct 31 20:43:44.849 INFO running `"docker" "rm" "-f" "bdc66d7f22c8714e29f4ddce447907a511c7b3c358295a31d1d0b6157ba57205"`
Oct 31 20:43:45.176 INFO blam! bdc66d7f22c8714e29f4ddce447907a511c7b3c358295a31d1d0b6157ba57205