Oct 26 20:29:58.164 INFO checking souvik1997/fsbench against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 20:29:58.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 26 20:29:58.665 INFO blam! 1c25d6f0e1cd701453d29e7a40905d2dc5c80ea23f432a28e1955ee3c7a278a1
Oct 26 20:29:58.667 INFO running `"docker" "start" "-a" "1c25d6f0e1cd701453d29e7a40905d2dc5c80ea23f432a28e1955ee3c7a278a1"`
Oct 26 20:30:00.627 INFO kablam! usermod: no changes
Oct 26 20:30:00.890 INFO kablam!     Checking either v1.4.0
Oct 26 20:30:00.897 INFO kablam!     Checking serde v1.0.29
Oct 26 20:30:00.900 INFO kablam!     Checking log v0.4.1
Oct 26 20:30:00.902 INFO kablam!     Checking num-complex v0.1.43
Oct 26 20:30:00.921 INFO kablam!     Checking num-bigint v0.1.43
Oct 26 20:30:00.923 INFO kablam!     Checking crossbeam-epoch v0.3.0
Oct 26 20:30:00.925 INFO kablam!     Checking nix v0.10.0
Oct 26 20:30:00.933 INFO kablam!    Compiling serde_derive_internals v0.20.0
Oct 26 20:30:02.695 INFO kablam!    Compiling num-derive v0.2.0
Oct 26 20:30:04.092 INFO kablam!     Checking fern v0.5.2
Oct 26 20:30:05.471 INFO kablam!     Checking crossbeam-deque v0.2.0
Oct 26 20:30:08.515 INFO kablam!     Checking rayon-core v1.4.0
Oct 26 20:30:14.261 INFO kablam!     Checking num-rational v0.1.42
Oct 26 20:30:14.860 INFO kablam!     Checking rayon v1.0.0
Oct 26 20:30:18.403 INFO kablam!    Compiling serde_derive v1.0.29
Oct 26 20:30:19.019 INFO kablam!     Checking num v0.1.42
Oct 26 20:30:19.807 INFO kablam!     Checking chrono v0.4.0
Oct 26 20:30:42.912 INFO kablam!     Checking serde_json v1.0.11
Oct 26 20:30:45.069 INFO kablam!     Checking fsbench v0.1.0 (/source)
Oct 26 20:30:46.966 INFO kablam! warning: unused import: `std::process::Command`
Oct 26 20:30:46.967 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 26 20:30:46.967 INFO kablam!     |
Oct 26 20:30:46.968 INFO kablam! 173 |         use std::process::Command;
Oct 26 20:30:46.969 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:46.969 INFO kablam!     |
Oct 26 20:30:46.970 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 26 20:30:46.971 INFO kablam! 
Oct 26 20:30:47.051 INFO kablam! warning: unused import: `std::process::Command`
Oct 26 20:30:47.052 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 26 20:30:47.052 INFO kablam!     |
Oct 26 20:30:47.053 INFO kablam! 173 |         use std::process::Command;
Oct 26 20:30:47.053 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:47.053 INFO kablam!     |
Oct 26 20:30:47.053 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 26 20:30:47.053 INFO kablam! 
Oct 26 20:30:48.615 INFO kablam! warning: unused variable: `split_string`
Oct 26 20:30:48.615 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 26 20:30:48.615 INFO kablam!    |
Oct 26 20:30:48.615 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 26 20:30:48.615 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 26 20:30:48.615 INFO kablam!    |
Oct 26 20:30:48.615 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 20:30:48.615 INFO kablam! 
Oct 26 20:30:48.623 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 26 20:30:48.623 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 26 20:30:48.623 INFO kablam!     |
Oct 26 20:30:48.623 INFO kablam! 304 |         let mut bytes = 0;
Oct 26 20:30:48.623 INFO kablam!     |                 ^^^^^
Oct 26 20:30:48.623 INFO kablam!     |
Oct 26 20:30:48.624 INFO kablam!     = note: consider using `_bytes` instead
Oct 26 20:30:48.624 INFO kablam! 
Oct 26 20:30:48.789 INFO kablam! warning: unused variable: `split_string`
Oct 26 20:30:48.789 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 26 20:30:48.789 INFO kablam!    |
Oct 26 20:30:48.789 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 26 20:30:48.789 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 26 20:30:48.789 INFO kablam!    |
Oct 26 20:30:48.790 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 20:30:48.790 INFO kablam! 
Oct 26 20:30:48.791 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 26 20:30:48.791 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 26 20:30:48.791 INFO kablam!     |
Oct 26 20:30:48.791 INFO kablam! 304 |         let mut bytes = 0;
Oct 26 20:30:48.791 INFO kablam!     |                 ^^^^^
Oct 26 20:30:48.799 INFO kablam!     |
Oct 26 20:30:48.799 INFO kablam!     = note: consider using `_bytes` instead
Oct 26 20:30:48.799 INFO kablam! 
Oct 26 20:30:49.223 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 26 20:30:49.223 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 26 20:30:49.224 INFO kablam!   |
Oct 26 20:30:49.224 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 26 20:30:49.224 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.224 INFO kablam!   |
Oct 26 20:30:49.225 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 20:30:49.225 INFO kablam! 
Oct 26 20:30:49.225 INFO kablam! warning: field is never used: `elapsed`
Oct 26 20:30:49.225 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 26 20:30:49.226 INFO kablam!     |
Oct 26 20:30:49.226 INFO kablam! 147 |     elapsed: Duration,
Oct 26 20:30:49.226 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.226 INFO kablam! 
Oct 26 20:30:49.227 INFO kablam! warning: method is never used: `total_duration`
Oct 26 20:30:49.227 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 26 20:30:49.227 INFO kablam!     |
Oct 26 20:30:49.228 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 26 20:30:49.228 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.228 INFO kablam! 
Oct 26 20:30:49.228 INFO kablam! warning: struct is never constructed: `Read`
Oct 26 20:30:49.228 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 26 20:30:49.229 INFO kablam!     |
Oct 26 20:30:49.229 INFO kablam! 160 | pub struct Read {
Oct 26 20:30:49.229 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 26 20:30:49.229 INFO kablam! 
Oct 26 20:30:49.230 INFO kablam! warning: method is never used: `new`
Oct 26 20:30:49.230 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 26 20:30:49.230 INFO kablam!     |
Oct 26 20:30:49.230 INFO kablam! 165 |     pub fn new() -> Read {
Oct 26 20:30:49.231 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.231 INFO kablam! 
Oct 26 20:30:49.231 INFO kablam! warning: method is never used: `run`
Oct 26 20:30:49.232 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 26 20:30:49.232 INFO kablam!     |
Oct 26 20:30:49.232 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 26 20:30:49.233 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.233 INFO kablam! 
Oct 26 20:30:49.233 INFO kablam! warning: struct is never constructed: `Write`
Oct 26 20:30:49.233 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 26 20:30:49.234 INFO kablam!     |
Oct 26 20:30:49.234 INFO kablam! 192 | pub struct Write {
Oct 26 20:30:49.234 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 26 20:30:49.235 INFO kablam! 
Oct 26 20:30:49.235 INFO kablam! warning: method is never used: `new`
Oct 26 20:30:49.235 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 26 20:30:49.236 INFO kablam!     |
Oct 26 20:30:49.236 INFO kablam! 197 |     pub fn new() -> Write {
Oct 26 20:30:49.236 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.236 INFO kablam! 
Oct 26 20:30:49.236 INFO kablam! warning: method is never used: `run`
Oct 26 20:30:49.236 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 26 20:30:49.236 INFO kablam!     |
Oct 26 20:30:49.236 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 26 20:30:49.236 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.236 INFO kablam! 
Oct 26 20:30:49.236 INFO kablam! warning: method is never used: `ops_per_second`
Oct 26 20:30:49.237 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 26 20:30:49.237 INFO kablam!    |
Oct 26 20:30:49.237 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 26 20:30:49.237 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.237 INFO kablam! 
Oct 26 20:30:49.237 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 26 20:30:49.237 INFO kablam!  --> src/main.rs:1:12
Oct 26 20:30:49.237 INFO kablam!   |
Oct 26 20:30:49.237 INFO kablam! 1 | #![feature(duration_extras)]
Oct 26 20:30:49.237 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 26 20:30:49.237 INFO kablam!   |
Oct 26 20:30:49.237 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 26 20:30:49.237 INFO kablam! 
Oct 26 20:30:49.357 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 26 20:30:49.357 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 26 20:30:49.357 INFO kablam!   |
Oct 26 20:30:49.358 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 26 20:30:49.358 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.358 INFO kablam!   |
Oct 26 20:30:49.359 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 20:30:49.359 INFO kablam! 
Oct 26 20:30:49.359 INFO kablam! warning: field is never used: `elapsed`
Oct 26 20:30:49.360 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 26 20:30:49.360 INFO kablam!     |
Oct 26 20:30:49.360 INFO kablam! 147 |     elapsed: Duration,
Oct 26 20:30:49.361 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.361 INFO kablam! 
Oct 26 20:30:49.361 INFO kablam! warning: method is never used: `total_duration`
Oct 26 20:30:49.362 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 26 20:30:49.362 INFO kablam!     |
Oct 26 20:30:49.362 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 26 20:30:49.363 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.363 INFO kablam! 
Oct 26 20:30:49.364 INFO kablam! warning: struct is never constructed: `Read`
Oct 26 20:30:49.364 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 26 20:30:49.364 INFO kablam!     |
Oct 26 20:30:49.365 INFO kablam! 160 | pub struct Read {
Oct 26 20:30:49.365 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 26 20:30:49.365 INFO kablam! 
Oct 26 20:30:49.366 INFO kablam! warning: method is never used: `new`
Oct 26 20:30:49.366 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 26 20:30:49.366 INFO kablam!     |
Oct 26 20:30:49.367 INFO kablam! 165 |     pub fn new() -> Read {
Oct 26 20:30:49.367 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.367 INFO kablam! 
Oct 26 20:30:49.367 INFO kablam! warning: method is never used: `run`
Oct 26 20:30:49.368 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 26 20:30:49.368 INFO kablam!     |
Oct 26 20:30:49.368 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 26 20:30:49.368 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.369 INFO kablam! 
Oct 26 20:30:49.369 INFO kablam! warning: struct is never constructed: `Write`
Oct 26 20:30:49.369 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 26 20:30:49.369 INFO kablam!     |
Oct 26 20:30:49.370 INFO kablam! 192 | pub struct Write {
Oct 26 20:30:49.370 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 26 20:30:49.370 INFO kablam! 
Oct 26 20:30:49.371 INFO kablam! warning: method is never used: `new`
Oct 26 20:30:49.371 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 26 20:30:49.371 INFO kablam!     |
Oct 26 20:30:49.371 INFO kablam! 197 |     pub fn new() -> Write {
Oct 26 20:30:49.372 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.372 INFO kablam! 
Oct 26 20:30:49.372 INFO kablam! warning: method is never used: `run`
Oct 26 20:30:49.373 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 26 20:30:49.373 INFO kablam!     |
Oct 26 20:30:49.373 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 26 20:30:49.374 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.374 INFO kablam! 
Oct 26 20:30:49.374 INFO kablam! warning: method is never used: `ops_per_second`
Oct 26 20:30:49.375 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 26 20:30:49.375 INFO kablam!    |
Oct 26 20:30:49.375 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 26 20:30:49.376 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 20:30:49.376 INFO kablam! 
Oct 26 20:30:49.378 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 26 20:30:49.378 INFO kablam!  --> src/main.rs:1:12
Oct 26 20:30:49.379 INFO kablam!   |
Oct 26 20:30:49.379 INFO kablam! 1 | #![feature(duration_extras)]
Oct 26 20:30:49.379 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 26 20:30:49.379 INFO kablam!   |
Oct 26 20:30:49.380 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 26 20:30:49.380 INFO kablam! 
Oct 26 20:30:49.511 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 48.85s
Oct 26 20:30:49.543 INFO kablam! su: No module specific data is present
Oct 26 20:30:51.010 INFO running `"docker" "rm" "-f" "1c25d6f0e1cd701453d29e7a40905d2dc5c80ea23f432a28e1955ee3c7a278a1"`
Oct 26 20:30:51.395 INFO blam! 1c25d6f0e1cd701453d29e7a40905d2dc5c80ea23f432a28e1955ee3c7a278a1