Oct 21 13:33:33.314 INFO checking souvik1997/fsbench against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 13:33:33.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 13:33:33.800 INFO blam! 2e8ef900e4d82d90cbfc7d62888d70a83f43a12c818b7dd523f007eb3956f2fc
Oct 21 13:33:33.806 INFO running `"docker" "start" "-a" "2e8ef900e4d82d90cbfc7d62888d70a83f43a12c818b7dd523f007eb3956f2fc"`
Oct 21 13:33:35.044 INFO kablam! usermod: no changes
Oct 21 13:33:35.218 INFO kablam!    Compiling nix v0.10.0
Oct 21 13:33:35.218 INFO kablam!     Checking either v1.4.0
Oct 21 13:33:35.228 INFO kablam!     Checking iovec v0.1.2
Oct 21 13:33:35.232 INFO kablam!     Checking log v0.4.1
Oct 21 13:33:35.233 INFO kablam!     Checking serde_json v1.0.11
Oct 21 13:33:35.233 INFO kablam!     Checking num-bigint v0.1.43
Oct 21 13:33:35.233 INFO kablam!     Checking crossbeam-epoch v0.3.0
Oct 21 13:33:35.234 INFO kablam!    Compiling num-derive v0.2.0
Oct 21 13:33:36.581 INFO kablam!     Checking bytes v0.4.6
Oct 21 13:33:37.240 INFO kablam!     Checking fern v0.5.2
Oct 21 13:33:38.510 INFO kablam!     Checking crossbeam-deque v0.2.0
Oct 21 13:33:39.400 INFO kablam!     Checking rayon-core v1.4.0
Oct 21 13:33:41.889 INFO kablam!     Checking rayon v1.0.0
Oct 21 13:33:44.174 INFO kablam!     Checking num-rational v0.1.42
Oct 21 13:33:46.310 INFO kablam!     Checking num v0.1.42
Oct 21 13:33:46.940 INFO kablam!     Checking chrono v0.4.0
Oct 21 13:33:54.623 INFO kablam!     Checking fsbench v0.1.0 (/source)
Oct 21 13:33:56.384 INFO kablam! warning: unused import: `std::process::Command`
Oct 21 13:33:56.385 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 21 13:33:56.385 INFO kablam!     |
Oct 21 13:33:56.385 INFO kablam! 173 |         use std::process::Command;
Oct 21 13:33:56.385 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:56.385 INFO kablam!     |
Oct 21 13:33:56.386 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 21 13:33:56.386 INFO kablam! 
Oct 21 13:33:56.420 INFO kablam! warning: unused import: `std::process::Command`
Oct 21 13:33:56.420 INFO kablam!    --> src/fsbench/blktrace/trace.rs:173:13
Oct 21 13:33:56.420 INFO kablam!     |
Oct 21 13:33:56.420 INFO kablam! 173 |         use std::process::Command;
Oct 21 13:33:56.420 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:56.420 INFO kablam!     |
Oct 21 13:33:56.420 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 21 13:33:56.420 INFO kablam! 
Oct 21 13:33:58.028 INFO kablam! warning: unused variable: `split_string`
Oct 21 13:33:58.028 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 21 13:33:58.028 INFO kablam!    |
Oct 21 13:33:58.028 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 21 13:33:58.029 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 21 13:33:58.029 INFO kablam!    |
Oct 21 13:33:58.029 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 13:33:58.029 INFO kablam! 
Oct 21 13:33:58.031 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 21 13:33:58.032 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 21 13:33:58.032 INFO kablam!     |
Oct 21 13:33:58.032 INFO kablam! 304 |         let mut bytes = 0;
Oct 21 13:33:58.032 INFO kablam!     |                 ^^^^^
Oct 21 13:33:58.032 INFO kablam!     |
Oct 21 13:33:58.032 INFO kablam!     = note: consider using `_bytes` instead
Oct 21 13:33:58.032 INFO kablam! 
Oct 21 13:33:58.139 INFO kablam! warning: unused variable: `split_string`
Oct 21 13:33:58.139 INFO kablam!   --> src/fsbench/operation.rs:28:9
Oct 21 13:33:58.139 INFO kablam!    |
Oct 21 13:33:58.139 INFO kablam! 28 |     let split_string = vec![String::new()];
Oct 21 13:33:58.139 INFO kablam!    |         ^^^^^^^^^^^^ help: consider using `_split_string` instead
Oct 21 13:33:58.139 INFO kablam!    |
Oct 21 13:33:58.140 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 13:33:58.140 INFO kablam! 
Oct 21 13:33:58.141 INFO kablam! warning: variable `bytes` is assigned to, but never used
Oct 21 13:33:58.141 INFO kablam!    --> src/fsbench/operation.rs:304:17
Oct 21 13:33:58.141 INFO kablam!     |
Oct 21 13:33:58.141 INFO kablam! 304 |         let mut bytes = 0;
Oct 21 13:33:58.141 INFO kablam!     |                 ^^^^^
Oct 21 13:33:58.142 INFO kablam!     |
Oct 21 13:33:58.142 INFO kablam!     = note: consider using `_bytes` instead
Oct 21 13:33:58.142 INFO kablam! 
Oct 21 13:33:58.559 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 21 13:33:58.559 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 21 13:33:58.559 INFO kablam!   |
Oct 21 13:33:58.560 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 21 13:33:58.560 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.561 INFO kablam!   |
Oct 21 13:33:58.561 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 13:33:58.561 INFO kablam! 
Oct 21 13:33:58.561 INFO kablam! warning: field is never used: `elapsed`
Oct 21 13:33:58.561 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 21 13:33:58.561 INFO kablam!     |
Oct 21 13:33:58.561 INFO kablam! 147 |     elapsed: Duration,
Oct 21 13:33:58.561 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.561 INFO kablam! 
Oct 21 13:33:58.561 INFO kablam! warning: method is never used: `total_duration`
Oct 21 13:33:58.561 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 21 13:33:58.561 INFO kablam!     |
Oct 21 13:33:58.561 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 21 13:33:58.561 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.561 INFO kablam! 
Oct 21 13:33:58.564 INFO kablam! warning: struct is never constructed: `Read`
Oct 21 13:33:58.564 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 21 13:33:58.564 INFO kablam!     |
Oct 21 13:33:58.564 INFO kablam! 160 | pub struct Read {
Oct 21 13:33:58.564 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 21 13:33:58.564 INFO kablam! 
Oct 21 13:33:58.564 INFO kablam! warning: method is never used: `new`
Oct 21 13:33:58.564 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 21 13:33:58.564 INFO kablam!     |
Oct 21 13:33:58.564 INFO kablam! 165 |     pub fn new() -> Read {
Oct 21 13:33:58.564 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.564 INFO kablam! 
Oct 21 13:33:58.564 INFO kablam! warning: method is never used: `run`
Oct 21 13:33:58.564 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 21 13:33:58.564 INFO kablam!     |
Oct 21 13:33:58.564 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 21 13:33:58.564 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.564 INFO kablam! 
Oct 21 13:33:58.564 INFO kablam! warning: struct is never constructed: `Write`
Oct 21 13:33:58.564 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 21 13:33:58.564 INFO kablam!     |
Oct 21 13:33:58.564 INFO kablam! 192 | pub struct Write {
Oct 21 13:33:58.564 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 21 13:33:58.564 INFO kablam! 
Oct 21 13:33:58.564 INFO kablam! warning: method is never used: `new`
Oct 21 13:33:58.564 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 21 13:33:58.564 INFO kablam!     |
Oct 21 13:33:58.564 INFO kablam! 197 |     pub fn new() -> Write {
Oct 21 13:33:58.564 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.564 INFO kablam! 
Oct 21 13:33:58.569 INFO kablam! warning: method is never used: `run`
Oct 21 13:33:58.569 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 21 13:33:58.569 INFO kablam!     |
Oct 21 13:33:58.569 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 21 13:33:58.569 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.569 INFO kablam! 
Oct 21 13:33:58.569 INFO kablam! warning: method is never used: `ops_per_second`
Oct 21 13:33:58.569 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 21 13:33:58.569 INFO kablam!    |
Oct 21 13:33:58.569 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 21 13:33:58.569 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.569 INFO kablam! 
Oct 21 13:33:58.569 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 21 13:33:58.569 INFO kablam!  --> src/main.rs:1:12
Oct 21 13:33:58.569 INFO kablam!   |
Oct 21 13:33:58.569 INFO kablam! 1 | #![feature(duration_extras)]
Oct 21 13:33:58.569 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 21 13:33:58.569 INFO kablam!   |
Oct 21 13:33:58.569 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 21 13:33:58.569 INFO kablam! 
Oct 21 13:33:58.721 INFO kablam! warning: constant item is never used: `SECTOR_SIZE`
Oct 21 13:33:58.722 INFO kablam!  --> src/fsbench/blktrace/trace.rs:9:1
Oct 21 13:33:58.722 INFO kablam!   |
Oct 21 13:33:58.722 INFO kablam! 9 | pub const SECTOR_SIZE: usize = 512;
Oct 21 13:33:58.722 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.722 INFO kablam!   |
Oct 21 13:33:58.722 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 13:33:58.723 INFO kablam! 
Oct 21 13:33:58.723 INFO kablam! warning: field is never used: `elapsed`
Oct 21 13:33:58.723 INFO kablam!    --> src/fsbench/blktrace/trace.rs:147:5
Oct 21 13:33:58.723 INFO kablam!     |
Oct 21 13:33:58.723 INFO kablam! 147 |     elapsed: Duration,
Oct 21 13:33:58.723 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.723 INFO kablam! 
Oct 21 13:33:58.724 INFO kablam! warning: method is never used: `total_duration`
Oct 21 13:33:58.724 INFO kablam!    --> src/fsbench/blktrace/trace.rs:243:5
Oct 21 13:33:58.724 INFO kablam!     |
Oct 21 13:33:58.724 INFO kablam! 243 |     pub fn total_duration(&self) -> Duration {
Oct 21 13:33:58.724 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.725 INFO kablam! 
Oct 21 13:33:58.725 INFO kablam! warning: struct is never constructed: `Read`
Oct 21 13:33:58.725 INFO kablam!    --> src/fsbench/operation.rs:160:1
Oct 21 13:33:58.725 INFO kablam!     |
Oct 21 13:33:58.725 INFO kablam! 160 | pub struct Read {
Oct 21 13:33:58.725 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 21 13:33:58.726 INFO kablam! 
Oct 21 13:33:58.726 INFO kablam! warning: method is never used: `new`
Oct 21 13:33:58.726 INFO kablam!    --> src/fsbench/operation.rs:165:5
Oct 21 13:33:58.726 INFO kablam!     |
Oct 21 13:33:58.726 INFO kablam! 165 |     pub fn new() -> Read {
Oct 21 13:33:58.727 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.727 INFO kablam! 
Oct 21 13:33:58.727 INFO kablam! warning: method is never used: `run`
Oct 21 13:33:58.727 INFO kablam!    --> src/fsbench/operation.rs:171:5
Oct 21 13:33:58.727 INFO kablam!     |
Oct 21 13:33:58.727 INFO kablam! 171 |     pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result<usize> {
Oct 21 13:33:58.728 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.728 INFO kablam! 
Oct 21 13:33:58.728 INFO kablam! warning: struct is never constructed: `Write`
Oct 21 13:33:58.728 INFO kablam!    --> src/fsbench/operation.rs:192:1
Oct 21 13:33:58.728 INFO kablam!     |
Oct 21 13:33:58.729 INFO kablam! 192 | pub struct Write {
Oct 21 13:33:58.729 INFO kablam!     | ^^^^^^^^^^^^^^^^
Oct 21 13:33:58.729 INFO kablam! 
Oct 21 13:33:58.729 INFO kablam! warning: method is never used: `new`
Oct 21 13:33:58.729 INFO kablam!    --> src/fsbench/operation.rs:197:5
Oct 21 13:33:58.729 INFO kablam!     |
Oct 21 13:33:58.730 INFO kablam! 197 |     pub fn new() -> Write {
Oct 21 13:33:58.730 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.730 INFO kablam! 
Oct 21 13:33:58.730 INFO kablam! warning: method is never used: `run`
Oct 21 13:33:58.730 INFO kablam!    --> src/fsbench/operation.rs:203:5
Oct 21 13:33:58.730 INFO kablam!     |
Oct 21 13:33:58.731 INFO kablam! 203 |     pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result<usize> {
Oct 21 13:33:58.731 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.731 INFO kablam! 
Oct 21 13:33:58.731 INFO kablam! warning: method is never used: `ops_per_second`
Oct 21 13:33:58.731 INFO kablam!   --> src/fsbench/statistics.rs:42:5
Oct 21 13:33:58.732 INFO kablam!    |
Oct 21 13:33:58.732 INFO kablam! 42 |     pub fn ops_per_second(&self) -> f64 {
Oct 21 13:33:58.732 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 13:33:58.732 INFO kablam! 
Oct 21 13:33:58.732 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 21 13:33:58.732 INFO kablam!  --> src/main.rs:1:12
Oct 21 13:33:58.733 INFO kablam!   |
Oct 21 13:33:58.733 INFO kablam! 1 | #![feature(duration_extras)]
Oct 21 13:33:58.733 INFO kablam!   |            ^^^^^^^^^^^^^^^
Oct 21 13:33:58.733 INFO kablam!   |
Oct 21 13:33:58.733 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 21 13:33:58.733 INFO kablam! 
Oct 21 13:33:58.858 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.79s
Oct 21 13:33:58.873 INFO kablam! su: No module specific data is present
Oct 21 13:34:00.452 INFO running `"docker" "rm" "-f" "2e8ef900e4d82d90cbfc7d62888d70a83f43a12c818b7dd523f007eb3956f2fc"`
Oct 21 13:34:00.702 INFO blam! 2e8ef900e4d82d90cbfc7d62888d70a83f43a12c818b7dd523f007eb3956f2fc