[INFO] updating cached repository qezz/rust-ffi-demo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/qezz/rust-ffi-demo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/qezz/rust-ffi-demo" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/qezz/rust-ffi-demo"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/qezz/rust-ffi-demo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/qezz/rust-ffi-demo" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/qezz/rust-ffi-demo"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/qezz/rust-ffi-demo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 20254e58d38ec17be2261bc2a721bfede617e454 [INFO] sha for GitHub repo qezz/rust-ffi-demo: 20254e58d38ec17be2261bc2a721bfede617e454 [INFO] validating manifest of qezz/rust-ffi-demo on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of qezz/rust-ffi-demo on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing qezz/rust-ffi-demo [INFO] finished frobbing qezz/rust-ffi-demo [INFO] frobbed toml for qezz/rust-ffi-demo written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/qezz/rust-ffi-demo/Cargo.toml [INFO] started frobbing qezz/rust-ffi-demo [INFO] finished frobbing qezz/rust-ffi-demo [INFO] frobbed toml for qezz/rust-ffi-demo written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/qezz/rust-ffi-demo/Cargo.toml [INFO] crate qezz/rust-ffi-demo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking qezz/rust-ffi-demo against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/qezz/rust-ffi-demo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 603ef9035c2e3a0f1573230a07bf029735d39a154d9850d97d3843645e881bed [INFO] running `"docker" "start" "-a" "603ef9035c2e3a0f1573230a07bf029735d39a154d9850d97d3843645e881bed"` [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 memchr v2.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling cexpr v0.3.3 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Compiling rust_ffi v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: constant item is never used: `true_` [INFO] [stderr] --> /opt/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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/crater/target/debug/build/rust_ffi-a006ae32f92da2ff/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: 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: 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: 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 39s [INFO] running `"docker" "inspect" "603ef9035c2e3a0f1573230a07bf029735d39a154d9850d97d3843645e881bed"` [INFO] running `"docker" "rm" "-f" "603ef9035c2e3a0f1573230a07bf029735d39a154d9850d97d3843645e881bed"` [INFO] [stdout] 603ef9035c2e3a0f1573230a07bf029735d39a154d9850d97d3843645e881bed