[INFO] updating cached repository nick-hill/day4_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nick-hill/day4_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nick-hill/day4_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/nick-hill/day4_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nick-hill/day4_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nick-hill/day4_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nick-hill/day4_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nick-hill/day4_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 750ce06e1c3b4af5e244743cb97959b319e4c159 [INFO] sha for GitHub repo nick-hill/day4_rust: 750ce06e1c3b4af5e244743cb97959b319e4c159 [INFO] validating manifest of nick-hill/day4_rust 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 nick-hill/day4_rust 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 nick-hill/day4_rust [INFO] finished frobbing nick-hill/day4_rust [INFO] frobbed toml for nick-hill/day4_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/nick-hill/day4_rust/Cargo.toml [INFO] started frobbing nick-hill/day4_rust [INFO] finished frobbing nick-hill/day4_rust [INFO] frobbed toml for nick-hill/day4_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nick-hill/day4_rust/Cargo.toml [INFO] crate nick-hill/day4_rust 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 nick-hill/day4_rust 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-1/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/nick-hill/day4_rust:/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] 65220c7a45cd9db8a6427664dffd6f0667ddc1769d7f096ca3319b9d93dac78a [INFO] running `"docker" "start" "-a" "65220c7a45cd9db8a6427664dffd6f0667ddc1769d7f096ca3319b9d93dac78a"` [INFO] [stderr] Compiling text_io v0.1.7 [INFO] [stderr] Compiling day4_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Option_i32` should have an upper camel case name [INFO] [stderr] --> src/generics.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | enum Option_i32 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Option_f64` should have an upper camel case name [INFO] [stderr] --> src/generics.rs:16:6 [INFO] [stderr] | [INFO] [stderr] 16 | enum Option_f64 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let integer = Numbers { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let float = Numbers{ x: 1.0, y: 4.0 }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let integer = Points { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let float = Points{ x: 1.0, y: 4.0 }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float_and_integer` [INFO] [stderr] --> src/generics.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let float_and_integer = Points{ x: 1, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_float_and_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let integer = Option_i32::Some(5); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let float = Option_f64::Some(5.0); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/generics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/generics.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/generics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/generics.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | y : U, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/generics.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/generics.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `"docker" "inspect" "65220c7a45cd9db8a6427664dffd6f0667ddc1769d7f096ca3319b9d93dac78a"` [INFO] running `"docker" "rm" "-f" "65220c7a45cd9db8a6427664dffd6f0667ddc1769d7f096ca3319b9d93dac78a"` [INFO] [stdout] 65220c7a45cd9db8a6427664dffd6f0667ddc1769d7f096ca3319b9d93dac78a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nick-hill/day4_rust:/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] 1eeeef25cac3e0d0427ecfd226ce154ae67adc67b2e16ee77a29065ba65879d4 [INFO] running `"docker" "start" "-a" "1eeeef25cac3e0d0427ecfd226ce154ae67adc67b2e16ee77a29065ba65879d4"` [INFO] [stderr] Compiling day4_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Option_i32` should have an upper camel case name [INFO] [stderr] --> src/generics.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | enum Option_i32 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionI32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Option_f64` should have an upper camel case name [INFO] [stderr] --> src/generics.rs:16:6 [INFO] [stderr] | [INFO] [stderr] 16 | enum Option_f64 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionF64` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let integer = Numbers { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let float = Numbers{ x: 1.0, y: 4.0 }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let integer = Points { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let float = Points{ x: 1.0, y: 4.0 }; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float_and_integer` [INFO] [stderr] --> src/generics.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let float_and_integer = Points{ x: 1, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_float_and_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer` [INFO] [stderr] --> src/generics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let integer = Option_i32::Some(5); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `float` [INFO] [stderr] --> src/generics.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let float = Option_f64::Some(5.0); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/generics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/generics.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/generics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/generics.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | y : U, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/generics.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `None` [INFO] [stderr] --> src/generics.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `"docker" "inspect" "1eeeef25cac3e0d0427ecfd226ce154ae67adc67b2e16ee77a29065ba65879d4"` [INFO] running `"docker" "rm" "-f" "1eeeef25cac3e0d0427ecfd226ce154ae67adc67b2e16ee77a29065ba65879d4"` [INFO] [stdout] 1eeeef25cac3e0d0427ecfd226ce154ae67adc67b2e16ee77a29065ba65879d4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nick-hill/day4_rust:/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] c62d9d9e4adfe6540082beb60e080b64dba4f87aeaec87a4ad085991d7beee5d [INFO] running `"docker" "start" "-a" "c62d9d9e4adfe6540082beb60e080b64dba4f87aeaec87a4ad085991d7beee5d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/day4_rust-10bbb975d593037d [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" "c62d9d9e4adfe6540082beb60e080b64dba4f87aeaec87a4ad085991d7beee5d"` [INFO] running `"docker" "rm" "-f" "c62d9d9e4adfe6540082beb60e080b64dba4f87aeaec87a4ad085991d7beee5d"` [INFO] [stdout] c62d9d9e4adfe6540082beb60e080b64dba4f87aeaec87a4ad085991d7beee5d