Nov 03 22:42:55.738 INFO checking souvik1997/fsbench against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 22:42:55.738 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 03 22:42:56.096 INFO blam! 04a599595832216736d8ca1b720977338e905c231dffc303d50fc075ef76812e
Nov 03 22:42:56.103 INFO running `"docker" "start" "-a" "04a599595832216736d8ca1b720977338e905c231dffc303d50fc075ef76812e"`
Nov 03 22:42:58.110 INFO kablam! usermod: no changes
Nov 03 22:42:58.378 INFO kablam!    Compiling nix v0.10.0
Nov 03 22:42:58.391 INFO kablam!     Checking serde v1.0.29
Nov 03 22:42:58.403 INFO kablam!     Checking log v0.4.1
Nov 03 22:42:58.403 INFO kablam!     Checking num-bigint v0.1.43
Nov 03 22:42:58.403 INFO kablam!    Compiling serde_derive_internals v0.20.0
Nov 03 22:42:58.403 INFO kablam!    Compiling num-derive v0.2.0
Nov 03 22:43:00.526 INFO kablam!     Checking fern v0.5.2
Nov 03 22:43:07.071 INFO kablam!     Checking num-rational v0.1.42
Nov 03 22:43:11.472 INFO kablam!     Checking num v0.1.42
Nov 03 22:43:12.840 INFO kablam!     Checking chrono v0.4.0
Nov 03 22:43:12.854 INFO kablam!    Compiling serde_derive v1.0.29
Nov 03 22:43:32.736 INFO kablam!     Checking serde_json v1.0.11
Nov 03 22:43:35.278 INFO kablam!     Checking fsbench v0.1.0 (/source)
Nov 03 22:43:37.115 INFO kablam! warning: unused import: `std::process::Command`
Nov 03 22:43:37.115 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Nov 03 22:43:37.115 INFO kablam!     |
Nov 03 22:43:37.115 INFO kablam! 173 |         use std::process::Command;
Nov 03 22:43:37.115 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:37.115 INFO kablam!     |
Nov 03 22:43:37.115 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 03 22:43:37.115 INFO kablam! 
Nov 03 22:43:37.235 INFO kablam! warning: unused import: `std::process::Command`
Nov 03 22:43:37.235 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Nov 03 22:43:37.235 INFO kablam!     |
Nov 03 22:43:37.235 INFO kablam! 173 |         use std::process::Command;
Nov 03 22:43:37.235 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:37.235 INFO kablam!     |
Nov 03 22:43:37.235 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 03 22:43:37.235 INFO kablam! 
Nov 03 22:43:38.711 INFO kablam! warning: unused variable: `split_string`
Nov 03 22:43:38.711 INFO kablam!   --> src/fsbench/operation.rs:28:9
Nov 03 22:43:38.711 INFO kablam!    |
Nov 03 22:43:38.711 INFO kablam! 28 |     let split_string = vec![String::new()];
Nov 03 22:43:38.711 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 03 22:43:38.711 INFO kablam!    |
Nov 03 22:43:38.711 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 22:43:38.711 INFO kablam! 
Nov 03 22:43:38.711 INFO kablam! warning: variable `bytes` is assigned to, but never used
Nov 03 22:43:38.711 INFO kablam!    --> src/fsbench/operation.rs:304:17
Nov 03 22:43:38.711 INFO kablam!     |
Nov 03 22:43:38.711 INFO kablam! 304 |         let mut bytes = 0;
Nov 03 22:43:38.711 INFO kablam!     |                 ^^^^^
Nov 03 22:43:38.711 INFO kablam!     |
Nov 03 22:43:38.711 INFO kablam!     = note: consider using `_bytes` instead
Nov 03 22:43:38.711 INFO kablam! 
Nov 03 22:43:38.723 INFO kablam! warning: unused variable: `split_string`
Nov 03 22:43:38.723 INFO kablam!   --> src/fsbench/operation.rs:28:9
Nov 03 22:43:38.723 INFO kablam!    |
Nov 03 22:43:38.723 INFO kablam! 28 |     let split_string = vec![String::new()];
Nov 03 22:43:38.723 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Nov 03 22:43:38.723 INFO kablam!    |
Nov 03 22:43:38.723 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 22:43:38.723 INFO kablam! 
Nov 03 22:43:38.727 INFO kablam! warning: variable `bytes` is assigned to, but never used
Nov 03 22:43:38.727 INFO kablam!    --> src/fsbench/operation.rs:304:17
Nov 03 22:43:38.727 INFO kablam!     |
Nov 03 22:43:38.727 INFO kablam! 304 |         let mut bytes = 0;
Nov 03 22:43:38.727 INFO kablam!     |                 ^^^^^
Nov 03 22:43:38.727 INFO kablam!     |
Nov 03 22:43:38.727 INFO kablam!     = note: consider using `_bytes` instead
Nov 03 22:43:38.727 INFO kablam! 
Nov 03 22:43:39.183 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Nov 03 22:43:39.184 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Nov 03 22:43:39.184 INFO kablam!   |
Nov 03 22:43:39.184 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Nov 03 22:43:39.185 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.185 INFO kablam!   |
Nov 03 22:43:39.185 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 22:43:39.185 INFO kablam! 
Nov 03 22:43:39.186 INFO kablam! warning: field is never used: `elapsed`
Nov 03 22:43:39.186 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Nov 03 22:43:39.186 INFO kablam!     |
Nov 03 22:43:39.187 INFO kablam! 147 |     elapsed: Duration,
Nov 03 22:43:39.187 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.188 INFO kablam! 
Nov 03 22:43:39.188 INFO kablam! warning: method is never used: `total_duration`
Nov 03 22:43:39.188 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Nov 03 22:43:39.188 INFO kablam!     |
Nov 03 22:43:39.189 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Nov 03 22:43:39.189 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.189 INFO kablam! 
Nov 03 22:43:39.190 INFO kablam! warning: struct is never constructed: `Read`
Nov 03 22:43:39.190 INFO kablam!    --> src/fsbench/operation.rs:160:1
Nov 03 22:43:39.190 INFO kablam!     |
Nov 03 22:43:39.191 INFO kablam! 160 | pub struct Read {
Nov 03 22:43:39.191 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 03 22:43:39.191 INFO kablam! 
Nov 03 22:43:39.192 INFO kablam! warning: method is never used: `new`
Nov 03 22:43:39.192 INFO kablam!    --> src/fsbench/operation.rs:165:5
Nov 03 22:43:39.192 INFO kablam!     |
Nov 03 22:43:39.193 INFO kablam! 165 |     pub fn new() -> Read {
Nov 03 22:43:39.193 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.193 INFO kablam! 
Nov 03 22:43:39.193 INFO kablam! warning: method is never used: `run`
Nov 03 22:43:39.194 INFO kablam!    --> src/fsbench/operation.rs:171:5
Nov 03 22:43:39.194 INFO kablam!     |
Nov 03 22:43:39.194 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 03 22:43:39.195 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.195 INFO kablam! 
Nov 03 22:43:39.195 INFO kablam! warning: struct is never constructed: `Write`
Nov 03 22:43:39.196 INFO kablam!    --> src/fsbench/operation.rs:192:1
Nov 03 22:43:39.196 INFO kablam!     |
Nov 03 22:43:39.196 INFO kablam! 192 | pub struct Write {
Nov 03 22:43:39.196 INFO kablam!     | ^^^^^^^^^^^^^^^^
Nov 03 22:43:39.197 INFO kablam! 
Nov 03 22:43:39.197 INFO kablam! warning: method is never used: `new`
Nov 03 22:43:39.197 INFO kablam!    --> src/fsbench/operation.rs:197:5
Nov 03 22:43:39.197 INFO kablam!     |
Nov 03 22:43:39.198 INFO kablam! 197 |     pub fn new() -> Write {
Nov 03 22:43:39.198 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.198 INFO kablam! 
Nov 03 22:43:39.199 INFO kablam! warning: method is never used: `run`
Nov 03 22:43:39.199 INFO kablam!    --> src/fsbench/operation.rs:203:5
Nov 03 22:43:39.199 INFO kablam!     |
Nov 03 22:43:39.199 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 03 22:43:39.200 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.200 INFO kablam! 
Nov 03 22:43:39.200 INFO kablam! warning: method is never used: `ops_per_second`
Nov 03 22:43:39.201 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Nov 03 22:43:39.201 INFO kablam!    |
Nov 03 22:43:39.201 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 03 22:43:39.201 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.202 INFO kablam! 
Nov 03 22:43:39.202 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 03 22:43:39.202 INFO kablam!  --> src/main.rs:1:12
Nov 03 22:43:39.203 INFO kablam!   |
Nov 03 22:43:39.203 INFO kablam! 1 | #![feature(duration_extras)]
Nov 03 22:43:39.203 INFO kablam!   |            ^^^^^^^^^^^^^^^
Nov 03 22:43:39.203 INFO kablam!   |
Nov 03 22:43:39.204 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 03 22:43:39.204 INFO kablam! 
Nov 03 22:43:39.243 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Nov 03 22:43:39.244 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Nov 03 22:43:39.244 INFO kablam!   |
Nov 03 22:43:39.244 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Nov 03 22:43:39.245 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.245 INFO kablam!   |
Nov 03 22:43:39.245 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 22:43:39.245 INFO kablam! 
Nov 03 22:43:39.246 INFO kablam! warning: field is never used: `elapsed`
Nov 03 22:43:39.246 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Nov 03 22:43:39.246 INFO kablam!     |
Nov 03 22:43:39.247 INFO kablam! 147 |     elapsed: Duration,
Nov 03 22:43:39.247 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.247 INFO kablam! 
Nov 03 22:43:39.248 INFO kablam! warning: method is never used: `total_duration`
Nov 03 22:43:39.248 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Nov 03 22:43:39.248 INFO kablam!     |
Nov 03 22:43:39.249 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Nov 03 22:43:39.249 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.249 INFO kablam! 
Nov 03 22:43:39.249 INFO kablam! warning: struct is never constructed: `Read`
Nov 03 22:43:39.250 INFO kablam!    --> src/fsbench/operation.rs:160:1
Nov 03 22:43:39.250 INFO kablam!     |
Nov 03 22:43:39.250 INFO kablam! 160 | pub struct Read {
Nov 03 22:43:39.251 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 03 22:43:39.251 INFO kablam! 
Nov 03 22:43:39.251 INFO kablam! warning: method is never used: `new`
Nov 03 22:43:39.251 INFO kablam!    --> src/fsbench/operation.rs:165:5
Nov 03 22:43:39.252 INFO kablam!     |
Nov 03 22:43:39.252 INFO kablam! 165 |     pub fn new() -> Read {
Nov 03 22:43:39.252 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.253 INFO kablam! 
Nov 03 22:43:39.253 INFO kablam! warning: method is never used: `run`
Nov 03 22:43:39.253 INFO kablam!    --> src/fsbench/operation.rs:171:5
Nov 03 22:43:39.254 INFO kablam!     |
Nov 03 22:43:39.254 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Nov 03 22:43:39.254 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.254 INFO kablam! 
Nov 03 22:43:39.255 INFO kablam! warning: struct is never constructed: `Write`
Nov 03 22:43:39.255 INFO kablam!    --> src/fsbench/operation.rs:192:1
Nov 03 22:43:39.255 INFO kablam!     |
Nov 03 22:43:39.256 INFO kablam! 192 | pub struct Write {
Nov 03 22:43:39.256 INFO kablam!     | ^^^^^^^^^^^^^^^^
Nov 03 22:43:39.256 INFO kablam! 
Nov 03 22:43:39.256 INFO kablam! warning: method is never used: `new`
Nov 03 22:43:39.257 INFO kablam!    --> src/fsbench/operation.rs:197:5
Nov 03 22:43:39.257 INFO kablam!     |
Nov 03 22:43:39.257 INFO kablam! 197 |     pub fn new() -> Write {
Nov 03 22:43:39.258 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.258 INFO kablam! 
Nov 03 22:43:39.258 INFO kablam! warning: method is never used: `run`
Nov 03 22:43:39.258 INFO kablam!    --> src/fsbench/operation.rs:203:5
Nov 03 22:43:39.259 INFO kablam!     |
Nov 03 22:43:39.259 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Nov 03 22:43:39.259 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.260 INFO kablam! 
Nov 03 22:43:39.260 INFO kablam! warning: method is never used: `ops_per_second`
Nov 03 22:43:39.260 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Nov 03 22:43:39.261 INFO kablam!    |
Nov 03 22:43:39.261 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Nov 03 22:43:39.261 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 22:43:39.261 INFO kablam! 
Nov 03 22:43:39.262 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Nov 03 22:43:39.262 INFO kablam!  --> src/main.rs:1:12
Nov 03 22:43:39.262 INFO kablam!   |
Nov 03 22:43:39.263 INFO kablam! 1 | #![feature(duration_extras)]
Nov 03 22:43:39.263 INFO kablam!   |            ^^^^^^^^^^^^^^^
Nov 03 22:43:39.263 INFO kablam!   |
Nov 03 22:43:39.263 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 03 22:43:39.264 INFO kablam! 
Nov 03 22:43:39.315 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 41.16s
Nov 03 22:43:39.331 INFO kablam! su: No module specific data is present
Nov 03 22:43:40.205 INFO running `"docker" "rm" "-f" "04a599595832216736d8ca1b720977338e905c231dffc303d50fc075ef76812e"`
Nov 03 22:43:40.529 INFO blam! 04a599595832216736d8ca1b720977338e905c231dffc303d50fc075ef76812e