Oct 31 20:43:17.418 INFO checking souvik1997/fsbench against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 20:43:17.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 20:43:17.930 INFO blam! f976c0e784b702dad4bf81474b454a28b7ff9e760d0eddc767a4fef09790972d
Oct 31 20:43:17.931 INFO running `"docker" "start" "-a" "f976c0e784b702dad4bf81474b454a28b7ff9e760d0eddc767a4fef09790972d"`
Oct 31 20:43:19.980 INFO kablam! usermod: no changes
Oct 31 20:43:20.264 INFO kablam!    Compiling nix v0.10.0
Oct 31 20:43:20.265 INFO kablam!     Checking serde v1.0.29
Oct 31 20:43:20.265 INFO kablam!    Compiling num-traits v0.2.2
Oct 31 20:43:20.265 INFO kablam!     Checking log v0.4.1
Oct 31 20:43:20.266 INFO kablam!     Checking num-complex v0.1.43
Oct 31 20:43:20.272 INFO kablam!     Checking bytes v0.4.6
Oct 31 20:43:20.272 INFO kablam!     Checking num-bigint v0.1.43
Oct 31 20:43:20.272 INFO kablam!     Checking rayon-core v1.4.0
Oct 31 20:43:22.848 INFO kablam!    Compiling serde_derive_internals v0.20.0
Oct 31 20:43:23.645 INFO kablam!     Checking fern v0.5.2
Oct 31 20:43:26.809 INFO kablam!     Checking rayon v1.0.0
Oct 31 20:43:33.062 INFO kablam!     Checking num-rational v0.1.42
Oct 31 20:43:34.421 INFO kablam!    Compiling num-derive v0.2.0
Oct 31 20:43:40.268 INFO kablam!     Checking num v0.1.42
Oct 31 20:43:41.016 INFO kablam!    Compiling serde_derive v1.0.29
Oct 31 20:43:41.617 INFO kablam!     Checking chrono v0.4.0
Oct 31 20:44:02.696 INFO kablam!     Checking serde_json v1.0.11
Oct 31 20:44:05.069 INFO kablam!     Checking fsbench v0.1.0 (/source)
Oct 31 20:44:06.721 INFO kablam! warning: unused import: `std::process::Command`
Oct 31 20:44:06.721 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 31 20:44:06.721 INFO kablam!     |
Oct 31 20:44:06.721 INFO kablam! 173 |         use std::process::Command;
Oct 31 20:44:06.721 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:06.721 INFO kablam!     |
Oct 31 20:44:06.722 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 31 20:44:06.722 INFO kablam! 
Oct 31 20:44:06.968 INFO kablam! warning: unused import: `std::process::Command`
Oct 31 20:44:06.969 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 31 20:44:06.969 INFO kablam!     |
Oct 31 20:44:06.969 INFO kablam! 173 |         use std::process::Command;
Oct 31 20:44:06.969 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:06.969 INFO kablam!     |
Oct 31 20:44:06.969 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 31 20:44:06.969 INFO kablam! 
Oct 31 20:44:08.416 INFO kablam! warning: unused variable: `split_string`
Oct 31 20:44:08.416 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 31 20:44:08.416 INFO kablam!    |
Oct 31 20:44:08.416 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 31 20:44:08.417 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 31 20:44:08.417 INFO kablam!    |
Oct 31 20:44:08.417 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:44:08.417 INFO kablam! 
Oct 31 20:44:08.424 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 31 20:44:08.424 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 31 20:44:08.424 INFO kablam!     |
Oct 31 20:44:08.425 INFO kablam! 304 |         let mut bytes = 0;
Oct 31 20:44:08.425 INFO kablam!     |                 ^^^^^
Oct 31 20:44:08.425 INFO kablam!     |
Oct 31 20:44:08.426 INFO kablam!     = note: consider using `_bytes` instead
Oct 31 20:44:08.426 INFO kablam! 
Oct 31 20:44:08.741 INFO kablam! warning: unused variable: `split_string`
Oct 31 20:44:08.741 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 31 20:44:08.741 INFO kablam!    |
Oct 31 20:44:08.741 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 31 20:44:08.741 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 31 20:44:08.741 INFO kablam!    |
Oct 31 20:44:08.741 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:44:08.743 INFO kablam! 
Oct 31 20:44:08.752 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 31 20:44:08.752 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 31 20:44:08.753 INFO kablam!     |
Oct 31 20:44:08.753 INFO kablam! 304 |         let mut bytes = 0;
Oct 31 20:44:08.753 INFO kablam!     |                 ^^^^^
Oct 31 20:44:08.753 INFO kablam!     |
Oct 31 20:44:08.753 INFO kablam!     = note: consider using `_bytes` instead
Oct 31 20:44:08.753 INFO kablam! 
Oct 31 20:44:09.060 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 31 20:44:09.060 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 31 20:44:09.060 INFO kablam!   |
Oct 31 20:44:09.060 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 31 20:44:09.060 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.060 INFO kablam!   |
Oct 31 20:44:09.060 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:44:09.060 INFO kablam! 
Oct 31 20:44:09.061 INFO kablam! warning: field is never used: `elapsed`
Oct 31 20:44:09.061 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 31 20:44:09.061 INFO kablam!     |
Oct 31 20:44:09.061 INFO kablam! 147 |     elapsed: Duration,
Oct 31 20:44:09.061 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.061 INFO kablam! 
Oct 31 20:44:09.061 INFO kablam! warning: method is never used: `total_duration`
Oct 31 20:44:09.061 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 31 20:44:09.061 INFO kablam!     |
Oct 31 20:44:09.061 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 31 20:44:09.061 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.061 INFO kablam! 
Oct 31 20:44:09.061 INFO kablam! warning: struct is never constructed: `Read`
Oct 31 20:44:09.061 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 31 20:44:09.061 INFO kablam!     |
Oct 31 20:44:09.061 INFO kablam! 160 | pub struct Read {
Oct 31 20:44:09.061 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 31 20:44:09.061 INFO kablam! 
Oct 31 20:44:09.061 INFO kablam! warning: method is never used: `new`
Oct 31 20:44:09.061 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 31 20:44:09.061 INFO kablam!     |
Oct 31 20:44:09.061 INFO kablam! 165 |     pub fn new() -> Read {
Oct 31 20:44:09.061 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.061 INFO kablam! 
Oct 31 20:44:09.062 INFO kablam! warning: method is never used: `run`
Oct 31 20:44:09.062 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 31 20:44:09.062 INFO kablam!     |
Oct 31 20:44:09.062 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 31 20:44:09.062 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.062 INFO kablam! 
Oct 31 20:44:09.062 INFO kablam! warning: struct is never constructed: `Write`
Oct 31 20:44:09.062 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 31 20:44:09.062 INFO kablam!     |
Oct 31 20:44:09.062 INFO kablam! 192 | pub struct Write {
Oct 31 20:44:09.062 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 31 20:44:09.062 INFO kablam! 
Oct 31 20:44:09.062 INFO kablam! warning: method is never used: `new`
Oct 31 20:44:09.062 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 31 20:44:09.062 INFO kablam!     |
Oct 31 20:44:09.062 INFO kablam! 197 |     pub fn new() -> Write {
Oct 31 20:44:09.062 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.062 INFO kablam! 
Oct 31 20:44:09.062 INFO kablam! warning: method is never used: `run`
Oct 31 20:44:09.062 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 31 20:44:09.062 INFO kablam!     |
Oct 31 20:44:09.062 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 31 20:44:09.062 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.062 INFO kablam! 
Oct 31 20:44:09.062 INFO kablam! warning: method is never used: `ops_per_second`
Oct 31 20:44:09.062 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 31 20:44:09.062 INFO kablam!    |
Oct 31 20:44:09.062 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 31 20:44:09.062 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.062 INFO kablam! 
Oct 31 20:44:09.063 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 31 20:44:09.064 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:44:09.064 INFO kablam!   |
Oct 31 20:44:09.064 INFO kablam! 1 | #![feature(duration_extras)]
Oct 31 20:44:09.064 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 31 20:44:09.064 INFO kablam!   |
Oct 31 20:44:09.064 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:44:09.064 INFO kablam! 
Oct 31 20:44:09.398 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 31 20:44:09.398 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 31 20:44:09.398 INFO kablam!   |
Oct 31 20:44:09.398 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 31 20:44:09.399 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.399 INFO kablam!   |
Oct 31 20:44:09.399 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:44:09.399 INFO kablam! 
Oct 31 20:44:09.400 INFO kablam! warning: field is never used: `elapsed`
Oct 31 20:44:09.400 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 31 20:44:09.400 INFO kablam!     |
Oct 31 20:44:09.401 INFO kablam! 147 |     elapsed: Duration,
Oct 31 20:44:09.401 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.401 INFO kablam! 
Oct 31 20:44:09.401 INFO kablam! warning: method is never used: `total_duration`
Oct 31 20:44:09.402 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 31 20:44:09.402 INFO kablam!     |
Oct 31 20:44:09.402 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 31 20:44:09.402 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.403 INFO kablam! 
Oct 31 20:44:09.403 INFO kablam! warning: struct is never constructed: `Read`
Oct 31 20:44:09.403 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 31 20:44:09.403 INFO kablam!     |
Oct 31 20:44:09.404 INFO kablam! 160 | pub struct Read {
Oct 31 20:44:09.404 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 31 20:44:09.404 INFO kablam! 
Oct 31 20:44:09.405 INFO kablam! warning: method is never used: `new`
Oct 31 20:44:09.405 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 31 20:44:09.405 INFO kablam!     |
Oct 31 20:44:09.405 INFO kablam! 165 |     pub fn new() -> Read {
Oct 31 20:44:09.406 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.406 INFO kablam! 
Oct 31 20:44:09.406 INFO kablam! warning: method is never used: `run`
Oct 31 20:44:09.406 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 31 20:44:09.407 INFO kablam!     |
Oct 31 20:44:09.407 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 31 20:44:09.407 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.407 INFO kablam! 
Oct 31 20:44:09.408 INFO kablam! warning: struct is never constructed: `Write`
Oct 31 20:44:09.408 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 31 20:44:09.408 INFO kablam!     |
Oct 31 20:44:09.408 INFO kablam! 192 | pub struct Write {
Oct 31 20:44:09.409 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 31 20:44:09.409 INFO kablam! 
Oct 31 20:44:09.409 INFO kablam! warning: method is never used: `new`
Oct 31 20:44:09.409 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 31 20:44:09.409 INFO kablam!     |
Oct 31 20:44:09.409 INFO kablam! 197 |     pub fn new() -> Write {
Oct 31 20:44:09.409 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.409 INFO kablam! 
Oct 31 20:44:09.409 INFO kablam! warning: method is never used: `run`
Oct 31 20:44:09.409 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 31 20:44:09.409 INFO kablam!     |
Oct 31 20:44:09.409 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 31 20:44:09.409 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.409 INFO kablam! 
Oct 31 20:44:09.409 INFO kablam! warning: method is never used: `ops_per_second`
Oct 31 20:44:09.409 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 31 20:44:09.410 INFO kablam!    |
Oct 31 20:44:09.410 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 31 20:44:09.410 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:44:09.410 INFO kablam! 
Oct 31 20:44:09.410 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 31 20:44:09.410 INFO kablam!  --> src/main.rs:1:12
Oct 31 20:44:09.410 INFO kablam!   |
Oct 31 20:44:09.410 INFO kablam! 1 | #![feature(duration_extras)]
Oct 31 20:44:09.410 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 31 20:44:09.410 INFO kablam!   |
Oct 31 20:44:09.410 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 20:44:09.410 INFO kablam! 
Oct 31 20:44:09.521 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 49.50s
Oct 31 20:44:09.531 INFO kablam! su: No module specific data is present
Oct 31 20:44:11.094 INFO running `"docker" "rm" "-f" "f976c0e784b702dad4bf81474b454a28b7ff9e760d0eddc767a4fef09790972d"`
Oct 31 20:44:11.485 INFO blam! f976c0e784b702dad4bf81474b454a28b7ff9e760d0eddc767a4fef09790972d