[INFO] updating cached repository rjoydip/learn-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rjoydip/learn-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rjoydip/learn-rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rjoydip/learn-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rjoydip/learn-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rjoydip/learn-rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rjoydip/learn-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rjoydip/learn-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0e91f308ef5e3ecc09594c3d9db61be3dfe1b6f5 [INFO] sha for GitHub repo rjoydip/learn-rust: 0e91f308ef5e3ecc09594c3d9db61be3dfe1b6f5 [INFO] validating manifest of rjoydip/learn-rust on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rjoydip/learn-rust on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rjoydip/learn-rust [INFO] finished frobbing rjoydip/learn-rust [INFO] frobbed toml for rjoydip/learn-rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rjoydip/learn-rust/Cargo.toml [INFO] started frobbing rjoydip/learn-rust [INFO] finished frobbing rjoydip/learn-rust [INFO] frobbed toml for rjoydip/learn-rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/rjoydip/learn-rust/Cargo.toml [INFO] crate rjoydip/learn-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rjoydip/learn-rust against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/rjoydip/learn-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=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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7a035707915530ac8b080f65023ca22354cc263a1e7119512f66ec9b40c20e95 [INFO] running `"docker" "start" "-a" "7a035707915530ac8b080f65023ca22354cc263a1e7119512f66ec9b40c20e95"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking learn_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> examples/match.rs:46:10 [INFO] [stderr] | [INFO] [stderr] 46 | 4...7 => println!("In between 4...7: {}", a), [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] --> examples/match.rs:61:15 [INFO] [stderr] | [INFO] [stderr] 61 | n @ 1 ... 10 => println!("Between 1 to 10 : {}", n), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> examples/match.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | n @ 11 ... 20 => println!("Between 11 to 20 : {}", n), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> examples/var.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut x = 5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> examples/loop.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | / /** [INFO] [stderr] 31 | | * Break [INFO] [stderr] 32 | | **/ [INFO] [stderr] | |________^ [INFO] [stderr] 33 | let mut x = 0; [INFO] [stderr] | -------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> examples/loop.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | / /** [INFO] [stderr] 66 | | * Continue [INFO] [stderr] 67 | | **/ [INFO] [stderr] | |________^ [INFO] [stderr] 68 | / for i in 1..20 { [INFO] [stderr] 69 | | if i == 2 { [INFO] [stderr] 70 | | continue; [INFO] [stderr] 71 | | } [INFO] [stderr] 72 | | println!("Value of i is: {}", i); [INFO] [stderr] 73 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] error[E0428]: the name `main` is defined multiple times [INFO] [stderr] --> examples/struct.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 15 | fn main() { [INFO] [stderr] | --------- previous definition of the value `main` here [INFO] [stderr] ... [INFO] [stderr] 32 | fn main() { [INFO] [stderr] | ^^^^^^^^^ `main` redefined here [INFO] [stderr] | [INFO] [stderr] = note: `main` must be defined only once in the value namespace of this module [INFO] [stderr] [INFO] [stderr] error[E0136]: multiple 'main' functions [INFO] [stderr] --> examples/struct.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | / fn main() { [INFO] [stderr] 33 | | let a = A(1); [INFO] [stderr] 34 | | let b = B(1.1); [INFO] [stderr] 35 | | let c = a.clone(); [INFO] [stderr] 36 | | [INFO] [stderr] 37 | | println!("{:?}, {:?}, {:?}", a, b, c); [INFO] [stderr] 38 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0136, E0428. [INFO] [stderr] For more information about an error, try `rustc --explain E0136`. [INFO] [stderr] error: Could not compile `learn_rust`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> examples/loop.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | let mut count = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7a035707915530ac8b080f65023ca22354cc263a1e7119512f66ec9b40c20e95"` [INFO] running `"docker" "rm" "-f" "7a035707915530ac8b080f65023ca22354cc263a1e7119512f66ec9b40c20e95"` [INFO] [stdout] 7a035707915530ac8b080f65023ca22354cc263a1e7119512f66ec9b40c20e95