[INFO] cloning repository https://github.com/qezz/rust-ffi-demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qezz/rust-ffi-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20254e58d38ec17be2261bc2a721bfede617e454
[INFO] checking qezz/rust-ffi-demo against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/qezz/rust-ffi-demo
[INFO] finished tweaking git repo https://github.com/qezz/rust-ffi-demo
[INFO] tweaked toml for git repo https://github.com/qezz/rust-ffi-demo written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/qezz/rust-ffi-demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2160434be2028d5c3c1ba2630fe570f4b6ed2b1fe2ede50a515634a232bd2749
[INFO] running `"docker" "start" "-a" "2160434be2028d5c3c1ba2630fe570f4b6ed2b1fe2ede50a515634a232bd2749"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling bindgen v0.45.0
[INFO] [stderr]    Compiling clang-sys v0.26.3
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]    Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `true_`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `false_`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `isEqual`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:365
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   |                                                                                                                                                                                                                                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `true_`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `false_`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `isEqual`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/rust_ffi-5d118dfef70c16ab/out/c_mx_bindings.rs:3:365
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; }
[INFO] [stderr]   |                                                                                                                                                                                                                                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`, `json`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Value, Error, json};
[INFO] [stderr]   |                  ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transpose`
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rust_ffi::{transpose, multiply};
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`, `json`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Value, Error, json};
[INFO] [stderr]   |                  ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transpose`
[INFO] [stderr]   --> src/main.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rust_ffi::{transpose, multiply};
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new(s: &[f64]) -> LinearMatrix {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new(s: &[f64]) -> LinearMatrix {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ffi_multiply_pf_benchmark`
[INFO] [stderr]    --> benches/ffi.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn ffi_multiply_pf_benchmark(c: &mut Criterion) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "2160434be2028d5c3c1ba2630fe570f4b6ed2b1fe2ede50a515634a232bd2749"`
[INFO] running `"docker" "rm" "-f" "2160434be2028d5c3c1ba2630fe570f4b6ed2b1fe2ede50a515634a232bd2749"`
[INFO] [stdout] 2160434be2028d5c3c1ba2630fe570f4b6ed2b1fe2ede50a515634a232bd2749