[INFO] updating cached repository https://github.com/CheukNgai/PageRank_Timely [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2828a9534788794f7c93d9d888eb8170488b1a7c [INFO] checking CheukNgai/PageRank_Timely against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CheukNgai/PageRank_Timely on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CheukNgai/PageRank_Timely [INFO] finished tweaking git repo https://github.com/CheukNgai/PageRank_Timely [INFO] tweaked toml for git repo https://github.com/CheukNgai/PageRank_Timely written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/CheukNgai/PageRank_Timely already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5f1bcc49234659d566638db7abc1c9cf8f735437007fe443eac48de9f254e0cb [INFO] running `"docker" "start" "-a" "5f1bcc49234659d566638db7abc1c9cf8f735437007fe443eac48de9f254e0cb"` [INFO] [stderr] Checking abomonation v0.5.0 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Checking timely_sort v0.1.6 [INFO] [stderr] Checking rand v0.5.4 [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/rustwide/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] 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] | [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:95:36 [INFO] [stderr] | [INFO] [stderr] 95 | ... let mut delta = ranks[src].clone(); [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:138:41 [INFO] [stderr] | [INFO] [stderr] 138 | ... let mut dst_num = dsts.len(); [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:140:45 [INFO] [stderr] | [INFO] [stderr] 140 | ... let mut delta = ranks[src].clone() / dst_num as f32; [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: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:95:36 [INFO] [stderr] | [INFO] [stderr] 95 | ... let mut delta = ranks[src].clone(); [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:138:41 [INFO] [stderr] | [INFO] [stderr] 138 | ... let mut dst_num = dsts.len(); [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:140:45 [INFO] [stderr] | [INFO] [stderr] 140 | ... let mut delta = ranks[src].clone() / dst_num as f32; [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:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | let mut round = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | let mut tuple = l.split_whitespace(); [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] [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:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | let mut tuple = l.split_whitespace(); [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 14.76s [INFO] running `"docker" "inspect" "5f1bcc49234659d566638db7abc1c9cf8f735437007fe443eac48de9f254e0cb"` [INFO] running `"docker" "rm" "-f" "5f1bcc49234659d566638db7abc1c9cf8f735437007fe443eac48de9f254e0cb"` [INFO] [stdout] 5f1bcc49234659d566638db7abc1c9cf8f735437007fe443eac48de9f254e0cb