[INFO] updating cached repository CheukNgai/PageRank_Timely [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/CheukNgai/PageRank_Timely [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/CheukNgai/PageRank_Timely" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/CheukNgai/PageRank_Timely"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/CheukNgai/PageRank_Timely'... [INFO] [stderr] done. 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[INFO] running `"git" "clone" "work/cache/sources/gh/CheukNgai/PageRank_Timely" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/CheukNgai/PageRank_Timely"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/CheukNgai/PageRank_Timely'... [INFO] [stderr] done. 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[INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2828a9534788794f7c93d9d888eb8170488b1a7c [INFO] sha for GitHub repo CheukNgai/PageRank_Timely: 2828a9534788794f7c93d9d888eb8170488b1a7c [INFO] validating manifest of CheukNgai/PageRank_Timely on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of CheukNgai/PageRank_Timely on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing CheukNgai/PageRank_Timely [INFO] finished frobbing CheukNgai/PageRank_Timely [INFO] frobbed toml for CheukNgai/PageRank_Timely written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/CheukNgai/PageRank_Timely/Cargo.toml [INFO] started frobbing CheukNgai/PageRank_Timely [INFO] finished frobbing CheukNgai/PageRank_Timely [INFO] frobbed toml for CheukNgai/PageRank_Timely written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/CheukNgai/PageRank_Timely/Cargo.toml [INFO] crate CheukNgai/PageRank_Timely already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking CheukNgai/PageRank_Timely against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/CheukNgai/PageRank_Timely:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4ccc36d32948d176067d6431c22eb3956821cbab10475377632fd90906f8f440 [INFO] running `"docker" "start" "-a" "4ccc36d32948d176067d6431c22eb3956821cbab10475377632fd90906f8f440"` [INFO] [stderr] Checking abomonation v0.5.0 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Checking timely_sort v0.1.6 [INFO] [stderr] Compiling abomonation_derive v0.3.0 [INFO] [stderr] Checking timely_communication v0.6.0 [INFO] [stderr] Checking timely v0.6.0 [INFO] [stderr] Checking pagerank v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | if (index == 0) { [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | if (index == 0) { [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `diff` [INFO] [stderr] --> src/main.rs:115:43 [INFO] [stderr] | [INFO] [stderr] 115 | for (dst, diff) in rank_changes.iter_mut() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_diff` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `diff` [INFO] [stderr] --> src/main.rs:115:43 [INFO] [stderr] | [INFO] [stderr] 115 | for (dst, diff) in rank_changes.iter_mut() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_diff` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut round = 0; [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/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut round = 0; [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/main.rs:187:6 [INFO] [stderr] | [INFO] [stderr] 187 | let mut file = BufReader::new(&f); [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/main.rs:209:9 [INFO] [stderr] | [INFO] [stderr] 209 | let mut node_number = node_list.len(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `default_PR` should have a snake case name [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let default_PR:f32 = 1.0 / node_number as f32; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `default_pr` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut round = 0; [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/main.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut round = 0; [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/main.rs:187:6 [INFO] [stderr] | [INFO] [stderr] 187 | let mut file = BufReader::new(&f); [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/main.rs:209:9 [INFO] [stderr] | [INFO] [stderr] 209 | let mut node_number = node_list.len(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `default_PR` should have a snake case name [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let default_PR:f32 = 1.0 / node_number as f32; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `default_pr` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.61s [INFO] running `"docker" "inspect" "4ccc36d32948d176067d6431c22eb3956821cbab10475377632fd90906f8f440"` [INFO] running `"docker" "rm" "-f" "4ccc36d32948d176067d6431c22eb3956821cbab10475377632fd90906f8f440"` [INFO] [stdout] 4ccc36d32948d176067d6431c22eb3956821cbab10475377632fd90906f8f440