[INFO] updating cached repository tonykuttai/Rust-Graph-Algorithms [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tonykuttai/Rust-Graph-Algorithms [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tonykuttai/Rust-Graph-Algorithms" "work/ex/beta-1.38-1/sources/1.37.0/gh/tonykuttai/Rust-Graph-Algorithms"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tonykuttai/Rust-Graph-Algorithms'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tonykuttai/Rust-Graph-Algorithms" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonykuttai/Rust-Graph-Algorithms"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonykuttai/Rust-Graph-Algorithms'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c65c565c2c3ac4e7d5a9382f36e68c08a8f6d135 [INFO] sha for GitHub repo tonykuttai/Rust-Graph-Algorithms: c65c565c2c3ac4e7d5a9382f36e68c08a8f6d135 [INFO] validating manifest of tonykuttai/Rust-Graph-Algorithms 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 tonykuttai/Rust-Graph-Algorithms 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 tonykuttai/Rust-Graph-Algorithms [INFO] finished frobbing tonykuttai/Rust-Graph-Algorithms [INFO] frobbed toml for tonykuttai/Rust-Graph-Algorithms written to work/ex/beta-1.38-1/sources/1.37.0/gh/tonykuttai/Rust-Graph-Algorithms/Cargo.toml [INFO] started frobbing tonykuttai/Rust-Graph-Algorithms [INFO] finished frobbing tonykuttai/Rust-Graph-Algorithms [INFO] frobbed toml for tonykuttai/Rust-Graph-Algorithms written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tonykuttai/Rust-Graph-Algorithms/Cargo.toml [INFO] crate tonykuttai/Rust-Graph-Algorithms 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tonykuttai/Rust-Graph-Algorithms/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 tonykuttai/Rust-Graph-Algorithms 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-5/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/tonykuttai/Rust-Graph-Algorithms:/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] 5b6363920e932f4f424205f155e61cf50f98325fc41dceba9795850a55803a6f [INFO] running `"docker" "start" "-a" "5b6363920e932f4f424205f155e61cf50f98325fc41dceba9795850a55803a6f"` [INFO] [stderr] Compiling tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/istree.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/istree.rs:82:40 [INFO] [stderr] | [INFO] [stderr] 82 | let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:15:11 [INFO] [stderr] | [INFO] [stderr] 15 | let mut row: usize = nodes; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:38:45 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:61:19 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,nodes: usize){ [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut adj_list= Arc::new(Mutex::new(adj_list)); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/istree.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `row_del` should have an upper case name [INFO] [stderr] --> src/istree.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | static mut row_del: usize = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `"docker" "inspect" "5b6363920e932f4f424205f155e61cf50f98325fc41dceba9795850a55803a6f"` [INFO] running `"docker" "rm" "-f" "5b6363920e932f4f424205f155e61cf50f98325fc41dceba9795850a55803a6f"` [INFO] [stdout] 5b6363920e932f4f424205f155e61cf50f98325fc41dceba9795850a55803a6f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/tonykuttai/Rust-Graph-Algorithms:/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] 93b2a143546aa94caaeb50a0a34123d703fd65e4ac6857afbb1d3106930004b3 [INFO] running `"docker" "start" "-a" "93b2a143546aa94caaeb50a0a34123d703fd65e4ac6857afbb1d3106930004b3"` [INFO] [stderr] Compiling tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/istree.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/istree.rs:82:40 [INFO] [stderr] | [INFO] [stderr] 82 | let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:15:11 [INFO] [stderr] | [INFO] [stderr] 15 | let mut row: usize = nodes; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:38:45 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:61:19 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,nodes: usize){ [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut adj_list= Arc::new(Mutex::new(adj_list)); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/istree.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `row_del` should have an upper case name [INFO] [stderr] --> src/istree.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | static mut row_del: usize = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `"docker" "inspect" "93b2a143546aa94caaeb50a0a34123d703fd65e4ac6857afbb1d3106930004b3"` [INFO] running `"docker" "rm" "-f" "93b2a143546aa94caaeb50a0a34123d703fd65e4ac6857afbb1d3106930004b3"` [INFO] [stdout] 93b2a143546aa94caaeb50a0a34123d703fd65e4ac6857afbb1d3106930004b3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/tonykuttai/Rust-Graph-Algorithms:/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] 22c54b5624c1fbb01cb01876e00642a1a5164f42fe8804a066c88c3b865919c1 [INFO] running `"docker" "start" "-a" "22c54b5624c1fbb01cb01876e00642a1a5164f42fe8804a066c88c3b865919c1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/tree-a0931489f0e87eb9 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tree-0833fda894310152 [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] [stderr] Doc-tests tree [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" "22c54b5624c1fbb01cb01876e00642a1a5164f42fe8804a066c88c3b865919c1"` [INFO] running `"docker" "rm" "-f" "22c54b5624c1fbb01cb01876e00642a1a5164f42fe8804a066c88c3b865919c1"` [INFO] [stdout] 22c54b5624c1fbb01cb01876e00642a1a5164f42fe8804a066c88c3b865919c1