[INFO] cloning repository caporta/rust_fundamentals [INFO] running `"git" "clone" "--bare" "git://github.com/caporta/rust_fundamentals.git" "work/cache/sources/gh/caporta/rust_fundamentals"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/caporta/rust_fundamentals'... [INFO] running `"git" "clone" "work/cache/sources/gh/caporta/rust_fundamentals" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/caporta/rust_fundamentals" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/caporta/rust_fundamentals"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/caporta/rust_fundamentals'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 78a5378e3b3c9e32237f5f6bcc8083bd250e7b8d [INFO] sha for GitHub repo caporta/rust_fundamentals: 78a5378e3b3c9e32237f5f6bcc8083bd250e7b8d [INFO] validating manifest of caporta/rust_fundamentals on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of caporta/rust_fundamentals on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing caporta/rust_fundamentals [INFO] finished frobbing caporta/rust_fundamentals [INFO] frobbed toml for caporta/rust_fundamentals written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals/Cargo.toml [INFO] started frobbing caporta/rust_fundamentals [INFO] finished frobbing caporta/rust_fundamentals [INFO] frobbed toml for caporta/rust_fundamentals written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/caporta/rust_fundamentals/Cargo.toml [INFO] crate caporta/rust_fundamentals already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing caporta/rust_fundamentals against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 1d4009d5a21ca637e245891f20665e4a03b49500a4a5623cbdd78230e19f83a2 [INFO] running `"docker" "start" "-a" "1d4009d5a21ca637e245891f20665e4a03b49500a4a5623cbdd78230e19f83a2"` [INFO] [stderr] Compiling hello_world v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unknown lint: `unused_variable` [INFO] [stderr] --> src/stack_and_heap.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #[allow(unused_variable)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unknown_lints)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/control_flow.rs:64:10 [INFO] [stderr] | [INFO] [stderr] 64 | 1...999 => "unknown", // inclusive range notation (opposite in most langs) [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/pattern_matching.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | z @ 9...11 => "lots of", //assign range to variable [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/stack_and_heap.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let x = 5; // i32 stored on the stack [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/data_structures_2.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let u:&str = &letters; // d-ref conversions [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/pattern_matching.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | z @ 9...11 => "lots of", //assign range to variable [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `myLine` [INFO] [stderr] --> src/generics.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let myLine = Line { start: a, end: b }; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_myLine` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/stack_and_heap.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | y: f64 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stderr] --> src/data_structures_1.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | Red, // "memberless struct" [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Green` [INFO] [stderr] --> src/data_structures_1.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Green, // "memberless struct" [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Blue` [INFO] [stderr] --> src/data_structures_1.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | Blue, // etc... [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RGBColor` [INFO] [stderr] --> src/data_structures_1.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | RGBColor(u8, u8, u8), // tuple [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cyan` [INFO] [stderr] --> src/data_structures_1.rs:32:15 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `magenta` [INFO] [stderr] --> src/data_structures_1.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `yellow` [INFO] [stderr] --> src/data_structures_1.rs:32:36 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `start` [INFO] [stderr] --> src/generics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | start: Point, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `end` [INFO] [stderr] --> src/generics.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | end: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/data_structures_1.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let myLine = Line { start: p, end: p2 }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/generics.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let myLine = Line { start: a, end: b }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `"docker" "inspect" "1d4009d5a21ca637e245891f20665e4a03b49500a4a5623cbdd78230e19f83a2"` [INFO] running `"docker" "rm" "-f" "1d4009d5a21ca637e245891f20665e4a03b49500a4a5623cbdd78230e19f83a2"` [INFO] [stdout] 1d4009d5a21ca637e245891f20665e4a03b49500a4a5623cbdd78230e19f83a2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 25dae514bc3801fd497d17e93dc940c9e7bad03bfb4dfcce01eb4c7c31e3ec65 [INFO] running `"docker" "start" "-a" "25dae514bc3801fd497d17e93dc940c9e7bad03bfb4dfcce01eb4c7c31e3ec65"` [INFO] [stderr] Compiling hello_world v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unknown lint: `unused_variable` [INFO] [stderr] --> src/stack_and_heap.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | #[allow(unused_variable)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unknown_lints)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/control_flow.rs:64:10 [INFO] [stderr] | [INFO] [stderr] 64 | 1...999 => "unknown", // inclusive range notation (opposite in most langs) [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/pattern_matching.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | z @ 9...11 => "lots of", //assign range to variable [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/stack_and_heap.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let x = 5; // i32 stored on the stack [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/data_structures_2.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let u:&str = &letters; // d-ref conversions [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/pattern_matching.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | z @ 9...11 => "lots of", //assign range to variable [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `myLine` [INFO] [stderr] --> src/generics.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let myLine = Line { start: a, end: b }; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_myLine` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/stack_and_heap.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | y: f64 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stderr] --> src/data_structures_1.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | Red, // "memberless struct" [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Green` [INFO] [stderr] --> src/data_structures_1.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Green, // "memberless struct" [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Blue` [INFO] [stderr] --> src/data_structures_1.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | Blue, // etc... [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RGBColor` [INFO] [stderr] --> src/data_structures_1.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | RGBColor(u8, u8, u8), // tuple [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cyan` [INFO] [stderr] --> src/data_structures_1.rs:32:15 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `magenta` [INFO] [stderr] --> src/data_structures_1.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `yellow` [INFO] [stderr] --> src/data_structures_1.rs:32:36 [INFO] [stderr] | [INFO] [stderr] 32 | CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `start` [INFO] [stderr] --> src/generics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | start: Point, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `end` [INFO] [stderr] --> src/generics.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | end: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/data_structures_1.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let myLine = Line { start: p, end: p2 }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `myLine` should have a snake case name [INFO] [stderr] --> src/generics.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let myLine = Line { start: a, end: b }; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `my_line` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `"docker" "inspect" "25dae514bc3801fd497d17e93dc940c9e7bad03bfb4dfcce01eb4c7c31e3ec65"` [INFO] running `"docker" "rm" "-f" "25dae514bc3801fd497d17e93dc940c9e7bad03bfb4dfcce01eb4c7c31e3ec65"` [INFO] [stdout] 25dae514bc3801fd497d17e93dc940c9e7bad03bfb4dfcce01eb4c7c31e3ec65 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/caporta/rust_fundamentals:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 5183d5a44881cf17b9d0c0acf34b81a9717c65e3ce2dda3fafc9086dee281073 [INFO] running `"docker" "start" "-a" "5183d5a44881cf17b9d0c0acf34b81a9717c65e3ce2dda3fafc9086dee281073"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/hello_world-3f4de4d634de350e [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" "5183d5a44881cf17b9d0c0acf34b81a9717c65e3ce2dda3fafc9086dee281073"` [INFO] running `"docker" "rm" "-f" "5183d5a44881cf17b9d0c0acf34b81a9717c65e3ce2dda3fafc9086dee281073"` [INFO] [stdout] 5183d5a44881cf17b9d0c0acf34b81a9717c65e3ce2dda3fafc9086dee281073