[INFO] cloning repository https://github.com/qezz/rust-ffi-demo [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20254e58d38ec17be2261bc2a721bfede617e454 [INFO] checking qezz/rust-ffi-demo against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded handlebars v0.32.4 [INFO] [stderr] Downloaded thread-scoped v1.0.2 [INFO] [stderr] Downloaded criterion-plot v0.2.5 [INFO] [stderr] Downloaded itertools-num v0.1.3 [INFO] [stderr] Downloaded cexpr v0.3.3 [INFO] [stderr] Downloaded clang-sys v0.26.3 [INFO] [stderr] Downloaded term v0.5.1 [INFO] [stderr] Downloaded csv v1.0.5 [INFO] [stderr] Downloaded serde_derive v1.0.82 [INFO] [stderr] Downloaded criterion v0.2.5 [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] [stderr] Downloaded serde v1.0.82 [INFO] [stderr] Downloaded criterion-stats v0.2.5 [INFO] [stderr] Downloaded rustc-demangle v0.1.11 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded bindgen v0.45.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 779f6151d363ef9645c7aa07233f36d6390424ddb1e0ee9318062c9bf9ee77b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "779f6151d363ef9645c7aa07233f36d6390424ddb1e0ee9318062c9bf9ee77b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "779f6151d363ef9645c7aa07233f36d6390424ddb1e0ee9318062c9bf9ee77b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "779f6151d363ef9645c7aa07233f36d6390424ddb1e0ee9318062c9bf9ee77b3", kill_on_drop: false }` [INFO] [stdout] 779f6151d363ef9645c7aa07233f36d6390424ddb1e0ee9318062c9bf9ee77b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b228dca2e53ee58023b07ac8e943c49213f361d4ac1870b28483469308afbc8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1b228dca2e53ee58023b07ac8e943c49213f361d4ac1870b28483469308afbc8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling rustc-demangle v0.1.11 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling bindgen v0.45.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling clang-sys v0.26.3 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Compiling cexpr v0.3.3 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `true_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `true_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `false_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `isEqual` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:365 [INFO] [stdout] | [INFO] [stdout] 3 | ... } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { ... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `false_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `isEqual` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-ea22ec4f97377eff/out/c_mx_bindings.rs:3:365 [INFO] [stdout] | [INFO] [stdout] 3 | ... } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { ... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Value`, `json` [INFO] [stdout] --> src/main.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_json::{Value, Error, json}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `transpose` [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | use rust_ffi::{transpose, multiply}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Value`, `json` [INFO] [stdout] --> src/main.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_json::{Value, Error, json}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `transpose` [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | use rust_ffi::{transpose, multiply}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(s: &[f64]) -> LinearMatrix { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(s: &[f64]) -> LinearMatrix { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ffi_multiply_pf_benchmark` [INFO] [stdout] --> benches/ffi.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn ffi_multiply_pf_benchmark(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 10s [INFO] running `Command { std: "docker" "inspect" "1b228dca2e53ee58023b07ac8e943c49213f361d4ac1870b28483469308afbc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b228dca2e53ee58023b07ac8e943c49213f361d4ac1870b28483469308afbc8", kill_on_drop: false }` [INFO] [stdout] 1b228dca2e53ee58023b07ac8e943c49213f361d4ac1870b28483469308afbc8