[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives" "work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9f9ca88c557e5223be0fdc4dcb839de8706479e4 [INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-primitives: 9f9ca88c557e5223be0fdc4dcb839de8706479e4 [INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-primitives on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-primitives on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-primitives written to work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives/Cargo.toml [INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-primitives [INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-primitives written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives/Cargo.toml [INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-primitives already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing intrepion/example-x-rust-x-rustbyexample-com-x-primitives against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 3c928cf20abcdfa7fee4b1afa152858da22dbf408d0d5556e99a7f2acb04b77b [INFO] running `"docker" "start" "-a" "3c928cf20abcdfa7fee4b1afa152858da22dbf408d0d5556e99a7f2acb04b77b"` [INFO] [stderr] Compiling example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `logical` [INFO] [stderr] --> src/main.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let logical: bool = true; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_logical` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a_float` [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let a_float: f64 = 1.0; // Regular annotation [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_a_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `an_integer` [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let an_integer = 5i32; // Suffix annotation [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_an_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_float` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let default_float = 3.0; // `f64` [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_integer` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let default_integer = 7; // `i32` [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutable` [INFO] [stderr] --> src/main.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut mutable = 12; // Mutable `i32`. [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_mutable` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut mutable = 12; // Mutable `i32`. [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `"docker" "inspect" "3c928cf20abcdfa7fee4b1afa152858da22dbf408d0d5556e99a7f2acb04b77b"` [INFO] running `"docker" "rm" "-f" "3c928cf20abcdfa7fee4b1afa152858da22dbf408d0d5556e99a7f2acb04b77b"` [INFO] [stdout] 3c928cf20abcdfa7fee4b1afa152858da22dbf408d0d5556e99a7f2acb04b77b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] c12d4d0e6cdbe42fe1b195adfcafc9a1417e53a65d23cd84ef20bbec41392ea8 [INFO] running `"docker" "start" "-a" "c12d4d0e6cdbe42fe1b195adfcafc9a1417e53a65d23cd84ef20bbec41392ea8"` [INFO] [stderr] Compiling example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `logical` [INFO] [stderr] --> src/main.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let logical: bool = true; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_logical` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a_float` [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let a_float: f64 = 1.0; // Regular annotation [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_a_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `an_integer` [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let an_integer = 5i32; // Suffix annotation [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_an_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_float` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let default_float = 3.0; // `f64` [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_integer` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let default_integer = 7; // `i32` [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mutable` [INFO] [stderr] --> src/main.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut mutable = 12; // Mutable `i32`. [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_mutable` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut mutable = 12; // Mutable `i32`. [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `"docker" "inspect" "c12d4d0e6cdbe42fe1b195adfcafc9a1417e53a65d23cd84ef20bbec41392ea8"` [INFO] running `"docker" "rm" "-f" "c12d4d0e6cdbe42fe1b195adfcafc9a1417e53a65d23cd84ef20bbec41392ea8"` [INFO] [stdout] c12d4d0e6cdbe42fe1b195adfcafc9a1417e53a65d23cd84ef20bbec41392ea8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-primitives:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 3105249c6dad47977f9b1e6632db6b7f74cfceda44bf4e2046eea6b60123126d [INFO] running `"docker" "start" "-a" "3105249c6dad47977f9b1e6632db6b7f74cfceda44bf4e2046eea6b60123126d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_primitives-60eb62c8c9bba5e3 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "3105249c6dad47977f9b1e6632db6b7f74cfceda44bf4e2046eea6b60123126d"` [INFO] running `"docker" "rm" "-f" "3105249c6dad47977f9b1e6632db6b7f74cfceda44bf4e2046eea6b60123126d"` [INFO] [stdout] 3105249c6dad47977f9b1e6632db6b7f74cfceda44bf4e2046eea6b60123126d