[INFO] cloning repository https://github.com/nick-hill/day4_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nick-hill/day4_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 750ce06e1c3b4af5e244743cb97959b319e4c159 [INFO] checking nick-hill/day4_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick-hill%2Fday4_rust" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nick-hill/day4_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nick-hill/day4_rust [INFO] finished tweaking git repo https://github.com/nick-hill/day4_rust [INFO] tweaked toml for git repo https://github.com/nick-hill/day4_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nick-hill/day4_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 1647b0903d554985051449911fa29c74d45ade0a78dae760b792c6f946c8768d [INFO] running `"docker" "start" "-a" "1647b0903d554985051449911fa29c74d45ade0a78dae760b792c6f946c8768d"` [INFO] [stderr] Checking text_io v0.1.7 [INFO] [stderr] Checking day4_rust v0.1.0 (/opt/rustwide/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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `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 read: `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 read: `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 read: `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] 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_float` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `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 read: `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 read: `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 read: `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] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `"docker" "inspect" "1647b0903d554985051449911fa29c74d45ade0a78dae760b792c6f946c8768d"` [INFO] running `"docker" "rm" "-f" "1647b0903d554985051449911fa29c74d45ade0a78dae760b792c6f946c8768d"` [INFO] [stdout] 1647b0903d554985051449911fa29c74d45ade0a78dae760b792c6f946c8768d