Nov 29 17:47:27.986 INFO checking souvik1997/fsbench against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 17:47:27.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 17:47:28.510 INFO [stdout] faf243252494d10f46f38e8134269eec2afcd7f323097ed556e2cafca7aac8a4
Nov 29 17:47:28.512 INFO running `"docker" "start" "-a" "faf243252494d10f46f38e8134269eec2afcd7f323097ed556e2cafca7aac8a4"`
Nov 29 17:47:30.632 INFO [stderr] usermod: no changes
Nov 29 17:47:30.905 INFO [stderr]     Checking serde v1.0.29
Nov 29 17:47:30.905 INFO [stderr]    Compiling num-traits v0.2.2
Nov 29 17:47:30.907 INFO [stderr]     Checking log v0.4.1
Nov 29 17:47:30.907 INFO [stderr]     Checking colored v1.6.0
Nov 29 17:47:30.907 INFO [stderr]     Checking num-bigint v0.1.43
Nov 29 17:47:30.908 INFO [stderr]     Checking nix v0.10.0
Nov 29 17:47:30.908 INFO [stderr]    Compiling serde_derive_internals v0.20.0
Nov 29 17:47:30.908 INFO [stderr]     Checking rayon-core v1.4.0
Nov 29 17:47:33.837 INFO [stderr]     Checking fern v0.5.2
Nov 29 17:47:37.014 INFO [stderr]     Checking rayon v1.0.0
Nov 29 17:47:42.153 INFO [stderr]     Checking num-rational v0.1.42
Nov 29 17:47:46.982 INFO [stderr]    Compiling num-derive v0.2.0
Nov 29 17:47:47.408 INFO [stderr]     Checking num v0.1.42
Nov 29 17:47:47.765 INFO [stderr]    Compiling serde_derive v1.0.29
Nov 29 17:47:48.568 INFO [stderr]     Checking chrono v0.4.0
Nov 29 17:48:12.866 INFO [stderr]     Checking serde_json v1.0.11
Nov 29 17:48:15.140 INFO [stderr]     Checking fsbench v0.1.0 (/source)
Nov 29 17:48:16.969 INFO [stderr] warning: unused import: `std::process::Command`
Nov 29 17:48:16.969 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:173:13
Nov 29 17:48:16.969 INFO [stderr]     |
Nov 29 17:48:16.972 INFO [stderr] 173 |         use std::process::Command;
Nov 29 17:48:16.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:16.972 INFO [stderr]     |
Nov 29 17:48:16.972 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 29 17:48:16.972 INFO [stderr] 
Nov 29 17:48:16.987 INFO [stderr] warning: unused import: `std::process::Command`
Nov 29 17:48:16.987 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:173:13
Nov 29 17:48:16.987 INFO [stderr]     |
Nov 29 17:48:16.987 INFO [stderr] 173 |         use std::process::Command;
Nov 29 17:48:16.987 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:16.987 INFO [stderr]     |
Nov 29 17:48:16.987 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 29 17:48:16.987 INFO [stderr] 
Nov 29 17:48:18.616 INFO [stderr] warning: unused variable: `split_string`
Nov 29 17:48:18.616 INFO [stderr]   --> src/fsbench/operation.rs:28:9
Nov 29 17:48:18.616 INFO [stderr]    |
Nov 29 17:48:18.616 INFO [stderr] 28 |     let split_string = vec![String::new()];
Nov 29 17:48:18.616 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 29 17:48:18.616 INFO [stderr]    |
Nov 29 17:48:18.616 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:48:18.616 INFO [stderr] 
Nov 29 17:48:18.624 INFO [stderr] warning: variable `bytes` is assigned to, but never used
Nov 29 17:48:18.624 INFO [stderr]    --> src/fsbench/operation.rs:304:17
Nov 29 17:48:18.624 INFO [stderr]     |
Nov 29 17:48:18.624 INFO [stderr] 304 |         let mut bytes = 0;
Nov 29 17:48:18.624 INFO [stderr]     |                 ^^^^^
Nov 29 17:48:18.624 INFO [stderr]     |
Nov 29 17:48:18.624 INFO [stderr]     = note: consider using `_bytes` instead
Nov 29 17:48:18.624 INFO [stderr] 
Nov 29 17:48:18.756 INFO [stderr] warning: unused variable: `split_string`
Nov 29 17:48:18.756 INFO [stderr]   --> src/fsbench/operation.rs:28:9
Nov 29 17:48:18.756 INFO [stderr]    |
Nov 29 17:48:18.756 INFO [stderr] 28 |     let split_string = vec![String::new()];
Nov 29 17:48:18.756 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 29 17:48:18.756 INFO [stderr]    |
Nov 29 17:48:18.756 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:48:18.756 INFO [stderr] 
Nov 29 17:48:18.764 INFO [stderr] warning: variable `bytes` is assigned to, but never used
Nov 29 17:48:18.764 INFO [stderr]    --> src/fsbench/operation.rs:304:17
Nov 29 17:48:18.764 INFO [stderr]     |
Nov 29 17:48:18.764 INFO [stderr] 304 |         let mut bytes = 0;
Nov 29 17:48:18.764 INFO [stderr]     |                 ^^^^^
Nov 29 17:48:18.764 INFO [stderr]     |
Nov 29 17:48:18.764 INFO [stderr]     = note: consider using `_bytes` instead
Nov 29 17:48:18.764 INFO [stderr] 
Nov 29 17:48:19.262 INFO [stderr] warning: constant item is never used: `SECTOR_SIZE`
Nov 29 17:48:19.262 INFO [stderr]  --> src/fsbench/blktrace/trace.rs:9:1
Nov 29 17:48:19.262 INFO [stderr]   |
Nov 29 17:48:19.262 INFO [stderr] 9 | pub const SECTOR_SIZE: usize = 512;
Nov 29 17:48:19.262 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.262 INFO [stderr]   |
Nov 29 17:48:19.268 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:48:19.268 INFO [stderr] 
Nov 29 17:48:19.269 INFO [stderr] warning: field is never used: `elapsed`
Nov 29 17:48:19.269 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:147:5
Nov 29 17:48:19.269 INFO [stderr]     |
Nov 29 17:48:19.269 INFO [stderr] 147 |     elapsed: Duration,
Nov 29 17:48:19.270 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.270 INFO [stderr] 
Nov 29 17:48:19.270 INFO [stderr] warning: method is never used: `total_duration`
Nov 29 17:48:19.270 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:243:5
Nov 29 17:48:19.271 INFO [stderr]     |
Nov 29 17:48:19.271 INFO [stderr] 243 |     pub fn total_duration(&self) -> Duration {
Nov 29 17:48:19.271 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.271 INFO [stderr] 
Nov 29 17:48:19.271 INFO [stderr] warning: struct is never constructed: `Read`
Nov 29 17:48:19.272 INFO [stderr]    --> src/fsbench/operation.rs:160:1
Nov 29 17:48:19.272 INFO [stderr]     |
Nov 29 17:48:19.272 INFO [stderr] 160 | pub struct Read {
Nov 29 17:48:19.272 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 29 17:48:19.273 INFO [stderr] 
Nov 29 17:48:19.273 INFO [stderr] warning: method is never used: `new`
Nov 29 17:48:19.273 INFO [stderr]    --> src/fsbench/operation.rs:165:5
Nov 29 17:48:19.273 INFO [stderr]     |
Nov 29 17:48:19.274 INFO [stderr] 165 |     pub fn new() -> Read {
Nov 29 17:48:19.274 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.274 INFO [stderr] 
Nov 29 17:48:19.274 INFO [stderr] warning: method is never used: `run`
Nov 29 17:48:19.274 INFO [stderr]    --> src/fsbench/operation.rs:171:5
Nov 29 17:48:19.275 INFO [stderr]     |
Nov 29 17:48:19.275 INFO [stderr] 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 29 17:48:19.275 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.275 INFO [stderr] 
Nov 29 17:48:19.276 INFO [stderr] warning: struct is never constructed: `Write`
Nov 29 17:48:19.276 INFO [stderr]    --> src/fsbench/operation.rs:192:1
Nov 29 17:48:19.276 INFO [stderr]     |
Nov 29 17:48:19.277 INFO [stderr] 192 | pub struct Write {
Nov 29 17:48:19.277 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 29 17:48:19.277 INFO [stderr] 
Nov 29 17:48:19.284 INFO [stderr] warning: method is never used: `new`
Nov 29 17:48:19.284 INFO [stderr]    --> src/fsbench/operation.rs:197:5
Nov 29 17:48:19.284 INFO [stderr]     |
Nov 29 17:48:19.284 INFO [stderr] 197 |     pub fn new() -> Write {
Nov 29 17:48:19.285 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.285 INFO [stderr] 
Nov 29 17:48:19.285 INFO [stderr] warning: method is never used: `run`
Nov 29 17:48:19.285 INFO [stderr]    --> src/fsbench/operation.rs:203:5
Nov 29 17:48:19.286 INFO [stderr]     |
Nov 29 17:48:19.286 INFO [stderr] 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 29 17:48:19.286 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.286 INFO [stderr] 
Nov 29 17:48:19.286 INFO [stderr] warning: method is never used: `ops_per_second`
Nov 29 17:48:19.286 INFO [stderr]   --> src/fsbench/statistics.rs:42:5
Nov 29 17:48:19.286 INFO [stderr]    |
Nov 29 17:48:19.287 INFO [stderr] 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 29 17:48:19.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.287 INFO [stderr] 
Nov 29 17:48:19.289 INFO [stderr] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 29 17:48:19.289 INFO [stderr]  --> src/main.rs:1:12
Nov 29 17:48:19.289 INFO [stderr]   |
Nov 29 17:48:19.289 INFO [stderr] 1 | #![feature(duration_extras)]
Nov 29 17:48:19.289 INFO [stderr]   |            ^^^^^^^^^^^^^^^
Nov 29 17:48:19.289 INFO [stderr]   |
Nov 29 17:48:19.289 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 17:48:19.289 INFO [stderr] 
Nov 29 17:48:19.380 INFO [stderr] warning: constant item is never used: `SECTOR_SIZE`
Nov 29 17:48:19.380 INFO [stderr]  --> src/fsbench/blktrace/trace.rs:9:1
Nov 29 17:48:19.380 INFO [stderr]   |
Nov 29 17:48:19.380 INFO [stderr] 9 | pub const SECTOR_SIZE: usize = 512;
Nov 29 17:48:19.380 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.380 INFO [stderr]   |
Nov 29 17:48:19.380 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:48:19.380 INFO [stderr] 
Nov 29 17:48:19.380 INFO [stderr] warning: field is never used: `elapsed`
Nov 29 17:48:19.380 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:147:5
Nov 29 17:48:19.380 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 147 |     elapsed: Duration,
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `total_duration`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/blktrace/trace.rs:243:5
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 243 |     pub fn total_duration(&self) -> Duration {
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: struct is never constructed: `Read`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:160:1
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 160 | pub struct Read {
Nov 29 17:48:19.381 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `new`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:165:5
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 165 |     pub fn new() -> Read {
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `run`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:171:5
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: struct is never constructed: `Write`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:192:1
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 192 | pub struct Write {
Nov 29 17:48:19.381 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `new`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:197:5
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 197 |     pub fn new() -> Write {
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `run`
Nov 29 17:48:19.381 INFO [stderr]    --> src/fsbench/operation.rs:203:5
Nov 29 17:48:19.381 INFO [stderr]     |
Nov 29 17:48:19.381 INFO [stderr] 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 29 17:48:19.381 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: method is never used: `ops_per_second`
Nov 29 17:48:19.381 INFO [stderr]   --> src/fsbench/statistics.rs:42:5
Nov 29 17:48:19.381 INFO [stderr]    |
Nov 29 17:48:19.381 INFO [stderr] 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 29 17:48:19.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.381 INFO [stderr] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 29 17:48:19.381 INFO [stderr]  --> src/main.rs:1:12
Nov 29 17:48:19.381 INFO [stderr]   |
Nov 29 17:48:19.381 INFO [stderr] 1 | #![feature(duration_extras)]
Nov 29 17:48:19.381 INFO [stderr]   |            ^^^^^^^^^^^^^^^
Nov 29 17:48:19.381 INFO [stderr]   |
Nov 29 17:48:19.381 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 17:48:19.381 INFO [stderr] 
Nov 29 17:48:19.437 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.78s
Nov 29 17:48:19.446 INFO [stderr] su: No module specific data is present
Nov 29 17:48:20.718 INFO running `"docker" "inspect" "faf243252494d10f46f38e8134269eec2afcd7f323097ed556e2cafca7aac8a4"`
Nov 29 17:48:21.124 INFO running `"docker" "rm" "-f" "faf243252494d10f46f38e8134269eec2afcd7f323097ed556e2cafca7aac8a4"`
Nov 29 17:48:21.453 INFO [stdout] faf243252494d10f46f38e8134269eec2afcd7f323097ed556e2cafca7aac8a4