Nov 02 06:11:00.506 INFO checking souvik1997/fsbench against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 06:11:00.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 06:11:00.979 INFO blam! bdd79aa22a85c988da064db83dd1585e18c956a8cadd00f6b2fd90effc771dec
Nov 02 06:11:01.000 INFO running `"docker" "start" "-a" "bdd79aa22a85c988da064db83dd1585e18c956a8cadd00f6b2fd90effc771dec"`
Nov 02 06:11:02.820 INFO kablam! usermod: no changes
Nov 02 06:11:03.015 INFO kablam!    Compiling nix v0.10.0
Nov 02 06:11:03.015 INFO kablam!     Checking serde v1.0.29
Nov 02 06:11:03.021 INFO kablam!     Checking log v0.4.1
Nov 02 06:11:03.021 INFO kablam!     Checking num-bigint v0.1.43
Nov 02 06:11:03.021 INFO kablam!     Checking clap v2.29.2
Nov 02 06:11:03.023 INFO kablam!     Checking rayon-core v1.4.0
Nov 02 06:11:03.023 INFO kablam!    Compiling num-derive v0.2.0
Nov 02 06:11:03.023 INFO kablam!     Checking tempdir v0.3.6
Nov 02 06:11:06.105 INFO kablam!     Checking fern v0.5.2
Nov 02 06:11:08.359 INFO kablam!     Checking rayon v1.0.0
Nov 02 06:11:15.129 INFO kablam!     Checking num-rational v0.1.42
Nov 02 06:11:18.622 INFO kablam!     Checking num v0.1.42
Nov 02 06:11:19.644 INFO kablam!     Checking chrono v0.4.0
Nov 02 06:11:35.333 INFO kablam!     Checking serde_json v1.0.11
Nov 02 06:11:37.873 INFO kablam!     Checking fsbench v0.1.0 (/source)
Nov 02 06:11:39.864 INFO kablam! warning: unused import: `std::process::Command`
Nov 02 06:11:39.864 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Nov 02 06:11:39.864 INFO kablam!     |
Nov 02 06:11:39.864 INFO kablam! 173 |         use std::process::Command;
Nov 02 06:11:39.864 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:39.864 INFO kablam!     |
Nov 02 06:11:39.865 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 02 06:11:39.865 INFO kablam! 
Nov 02 06:11:39.984 INFO kablam! warning: unused import: `std::process::Command`
Nov 02 06:11:39.984 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Nov 02 06:11:39.985 INFO kablam!     |
Nov 02 06:11:39.985 INFO kablam! 173 |         use std::process::Command;
Nov 02 06:11:39.985 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:39.985 INFO kablam!     |
Nov 02 06:11:39.985 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 02 06:11:39.985 INFO kablam! 
Nov 02 06:11:41.492 INFO kablam! warning: unused variable: `split_string`
Nov 02 06:11:41.492 INFO kablam!   --> src/fsbench/operation.rs:28:9
Nov 02 06:11:41.492 INFO kablam!    |
Nov 02 06:11:41.493 INFO kablam! 28 |     let split_string = vec![String::new()];
Nov 02 06:11:41.493 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 02 06:11:41.493 INFO kablam!    |
Nov 02 06:11:41.493 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 06:11:41.493 INFO kablam! 
Nov 02 06:11:41.494 INFO kablam! warning: variable `bytes` is assigned to, but never used
Nov 02 06:11:41.494 INFO kablam!    --> src/fsbench/operation.rs:304:17
Nov 02 06:11:41.494 INFO kablam!     |
Nov 02 06:11:41.494 INFO kablam! 304 |         let mut bytes = 0;
Nov 02 06:11:41.494 INFO kablam!     |                 ^^^^^
Nov 02 06:11:41.494 INFO kablam!     |
Nov 02 06:11:41.494 INFO kablam!     = note: consider using `_bytes` instead
Nov 02 06:11:41.494 INFO kablam! 
Nov 02 06:11:41.655 INFO kablam! warning: unused variable: `split_string`
Nov 02 06:11:41.655 INFO kablam!   --> src/fsbench/operation.rs:28:9
Nov 02 06:11:41.655 INFO kablam!    |
Nov 02 06:11:41.655 INFO kablam! 28 |     let split_string = vec![String::new()];
Nov 02 06:11:41.655 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 02 06:11:41.655 INFO kablam!    |
Nov 02 06:11:41.657 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 06:11:41.657 INFO kablam! 
Nov 02 06:11:41.658 INFO kablam! warning: variable `bytes` is assigned to, but never used
Nov 02 06:11:41.658 INFO kablam!    --> src/fsbench/operation.rs:304:17
Nov 02 06:11:41.658 INFO kablam!     |
Nov 02 06:11:41.658 INFO kablam! 304 |         let mut bytes = 0;
Nov 02 06:11:41.658 INFO kablam!     |                 ^^^^^
Nov 02 06:11:41.659 INFO kablam!     |
Nov 02 06:11:41.659 INFO kablam!     = note: consider using `_bytes` instead
Nov 02 06:11:41.659 INFO kablam! 
Nov 02 06:11:42.144 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Nov 02 06:11:42.145 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Nov 02 06:11:42.146 INFO kablam!   |
Nov 02 06:11:42.147 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Nov 02 06:11:42.147 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.148 INFO kablam!   |
Nov 02 06:11:42.148 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 06:11:42.149 INFO kablam! 
Nov 02 06:11:42.150 INFO kablam! warning: field is never used: `elapsed`
Nov 02 06:11:42.150 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Nov 02 06:11:42.151 INFO kablam!     |
Nov 02 06:11:42.151 INFO kablam! 147 |     elapsed: Duration,
Nov 02 06:11:42.152 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.152 INFO kablam! 
Nov 02 06:11:42.153 INFO kablam! warning: method is never used: `total_duration`
Nov 02 06:11:42.153 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Nov 02 06:11:42.154 INFO kablam!     |
Nov 02 06:11:42.155 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Nov 02 06:11:42.155 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.155 INFO kablam! 
Nov 02 06:11:42.155 INFO kablam! warning: struct is never constructed: `Read`
Nov 02 06:11:42.155 INFO kablam!    --> src/fsbench/operation.rs:160:1
Nov 02 06:11:42.155 INFO kablam!     |
Nov 02 06:11:42.155 INFO kablam! 160 | pub struct Read {
Nov 02 06:11:42.155 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 02 06:11:42.155 INFO kablam! 
Nov 02 06:11:42.155 INFO kablam! warning: method is never used: `new`
Nov 02 06:11:42.155 INFO kablam!    --> src/fsbench/operation.rs:165:5
Nov 02 06:11:42.155 INFO kablam!     |
Nov 02 06:11:42.155 INFO kablam! 165 |     pub fn new() -> Read {
Nov 02 06:11:42.156 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.156 INFO kablam! 
Nov 02 06:11:42.160 INFO kablam! warning: method is never used: `run`
Nov 02 06:11:42.160 INFO kablam!    --> src/fsbench/operation.rs:171:5
Nov 02 06:11:42.160 INFO kablam!     |
Nov 02 06:11:42.160 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 02 06:11:42.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.160 INFO kablam! 
Nov 02 06:11:42.160 INFO kablam! warning: struct is never constructed: `Write`
Nov 02 06:11:42.160 INFO kablam!    --> src/fsbench/operation.rs:192:1
Nov 02 06:11:42.160 INFO kablam!     |
Nov 02 06:11:42.160 INFO kablam! 192 | pub struct Write {
Nov 02 06:11:42.160 INFO kablam!     | ^^^^^^^^^^^^^^^^
Nov 02 06:11:42.160 INFO kablam! 
Nov 02 06:11:42.160 INFO kablam! warning: method is never used: `new`
Nov 02 06:11:42.160 INFO kablam!    --> src/fsbench/operation.rs:197:5
Nov 02 06:11:42.160 INFO kablam!     |
Nov 02 06:11:42.160 INFO kablam! 197 |     pub fn new() -> Write {
Nov 02 06:11:42.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.160 INFO kablam! 
Nov 02 06:11:42.160 INFO kablam! warning: method is never used: `run`
Nov 02 06:11:42.160 INFO kablam!    --> src/fsbench/operation.rs:203:5
Nov 02 06:11:42.160 INFO kablam!     |
Nov 02 06:11:42.160 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 02 06:11:42.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.160 INFO kablam! 
Nov 02 06:11:42.160 INFO kablam! warning: method is never used: `ops_per_second`
Nov 02 06:11:42.161 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Nov 02 06:11:42.161 INFO kablam!    |
Nov 02 06:11:42.161 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 02 06:11:42.161 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.161 INFO kablam! 
Nov 02 06:11:42.161 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 02 06:11:42.161 INFO kablam!  --> src/main.rs:1:12
Nov 02 06:11:42.161 INFO kablam!   |
Nov 02 06:11:42.161 INFO kablam! 1 | #![feature(duration_extras)]
Nov 02 06:11:42.161 INFO kablam!   |            ^^^^^^^^^^^^^^^
Nov 02 06:11:42.161 INFO kablam!   |
Nov 02 06:11:42.161 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 06:11:42.161 INFO kablam! 
Nov 02 06:11:42.332 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Nov 02 06:11:42.332 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Nov 02 06:11:42.332 INFO kablam!   |
Nov 02 06:11:42.332 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Nov 02 06:11:42.332 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.334 INFO kablam!   |
Nov 02 06:11:42.334 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 06:11:42.334 INFO kablam! 
Nov 02 06:11:42.335 INFO kablam! warning: field is never used: `elapsed`
Nov 02 06:11:42.335 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Nov 02 06:11:42.335 INFO kablam!     |
Nov 02 06:11:42.335 INFO kablam! 147 |     elapsed: Duration,
Nov 02 06:11:42.335 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.335 INFO kablam! 
Nov 02 06:11:42.337 INFO kablam! warning: method is never used: `total_duration`
Nov 02 06:11:42.337 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Nov 02 06:11:42.337 INFO kablam!     |
Nov 02 06:11:42.337 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Nov 02 06:11:42.337 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.337 INFO kablam! 
Nov 02 06:11:42.338 INFO kablam! warning: struct is never constructed: `Read`
Nov 02 06:11:42.338 INFO kablam!    --> src/fsbench/operation.rs:160:1
Nov 02 06:11:42.338 INFO kablam!     |
Nov 02 06:11:42.338 INFO kablam! 160 | pub struct Read {
Nov 02 06:11:42.338 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 02 06:11:42.338 INFO kablam! 
Nov 02 06:11:42.338 INFO kablam! warning: method is never used: `new`
Nov 02 06:11:42.338 INFO kablam!    --> src/fsbench/operation.rs:165:5
Nov 02 06:11:42.338 INFO kablam!     |
Nov 02 06:11:42.338 INFO kablam! 165 |     pub fn new() -> Read {
Nov 02 06:11:42.338 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.338 INFO kablam! 
Nov 02 06:11:42.340 INFO kablam! warning: method is never used: `run`
Nov 02 06:11:42.340 INFO kablam!    --> src/fsbench/operation.rs:171:5
Nov 02 06:11:42.340 INFO kablam!     |
Nov 02 06:11:42.340 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 02 06:11:42.340 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.341 INFO kablam! 
Nov 02 06:11:42.341 INFO kablam! warning: struct is never constructed: `Write`
Nov 02 06:11:42.341 INFO kablam!    --> src/fsbench/operation.rs:192:1
Nov 02 06:11:42.341 INFO kablam!     |
Nov 02 06:11:42.341 INFO kablam! 192 | pub struct Write {
Nov 02 06:11:42.341 INFO kablam!     | ^^^^^^^^^^^^^^^^
Nov 02 06:11:42.341 INFO kablam! 
Nov 02 06:11:42.343 INFO kablam! warning: method is never used: `new`
Nov 02 06:11:42.343 INFO kablam!    --> src/fsbench/operation.rs:197:5
Nov 02 06:11:42.343 INFO kablam!     |
Nov 02 06:11:42.343 INFO kablam! 197 |     pub fn new() -> Write {
Nov 02 06:11:42.343 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.343 INFO kablam! 
Nov 02 06:11:42.343 INFO kablam! warning: method is never used: `run`
Nov 02 06:11:42.343 INFO kablam!    --> src/fsbench/operation.rs:203:5
Nov 02 06:11:42.343 INFO kablam!     |
Nov 02 06:11:42.343 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 02 06:11:42.343 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.343 INFO kablam! 
Nov 02 06:11:42.344 INFO kablam! warning: method is never used: `ops_per_second`
Nov 02 06:11:42.344 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Nov 02 06:11:42.344 INFO kablam!    |
Nov 02 06:11:42.344 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 02 06:11:42.344 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:11:42.344 INFO kablam! 
Nov 02 06:11:42.346 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 02 06:11:42.346 INFO kablam!  --> src/main.rs:1:12
Nov 02 06:11:42.346 INFO kablam!   |
Nov 02 06:11:42.346 INFO kablam! 1 | #![feature(duration_extras)]
Nov 02 06:11:42.346 INFO kablam!   |            ^^^^^^^^^^^^^^^
Nov 02 06:11:42.346 INFO kablam!   |
Nov 02 06:11:42.346 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 06:11:42.346 INFO kablam! 
Nov 02 06:11:42.492 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 39.65s
Nov 02 06:11:42.502 INFO kablam! su: No module specific data is present
Nov 02 06:11:43.986 INFO running `"docker" "rm" "-f" "bdd79aa22a85c988da064db83dd1585e18c956a8cadd00f6b2fd90effc771dec"`
Nov 02 06:11:44.284 INFO blam! bdd79aa22a85c988da064db83dd1585e18c956a8cadd00f6b2fd90effc771dec