[INFO] updating cached repository caporta/rust_fundamentals [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/caporta/rust_fundamentals [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/caporta/rust_fundamentals" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/caporta/rust_fundamentals"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/caporta/rust_fundamentals'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/caporta/rust_fundamentals" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/caporta/rust_fundamentals"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of caporta/rust_fundamentals on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking caporta/rust_fundamentals against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a779165bdbed16146fcb1b7a61ad6caa4d71a125825a00ce5e8fd25ae65f3ace [INFO] running `"docker" "start" "-a" "a779165bdbed16146fcb1b7a61ad6caa4d71a125825a00ce5e8fd25ae65f3ace"` [INFO] [stderr] Checking 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: 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: `...` 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: 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] 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 0.77s [INFO] running `"docker" "inspect" "a779165bdbed16146fcb1b7a61ad6caa4d71a125825a00ce5e8fd25ae65f3ace"` [INFO] running `"docker" "rm" "-f" "a779165bdbed16146fcb1b7a61ad6caa4d71a125825a00ce5e8fd25ae65f3ace"` [INFO] [stdout] a779165bdbed16146fcb1b7a61ad6caa4d71a125825a00ce5e8fd25ae65f3ace