Dec 12 03:29:25.857 INFO checking CheukNgai/PageRank_Timely against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:29:25.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:29:31.743 INFO [stdout] 20a17b879dabe58b45a7c4dd93ba91691d180a9202152003956af43e5ea1bf11
Dec 12 03:29:31.744 INFO running `"docker" "start" "-a" "20a17b879dabe58b45a7c4dd93ba91691d180a9202152003956af43e5ea1bf11"`
Dec 12 03:29:32.115 INFO [stderr] usermod: no changes
Dec 12 03:29:32.186 INFO [stderr]     Checking abomonation v0.5.0
Dec 12 03:29:32.186 INFO [stderr]     Checking file v1.1.2
Dec 12 03:29:32.187 INFO [stderr]     Checking timely_sort v0.1.6
Dec 12 03:29:32.187 INFO [stderr]    Compiling abomonation_derive v0.3.0
Dec 12 03:29:35.362 INFO [stderr]     Checking timely_communication v0.6.0
Dec 12 03:29:36.570 INFO [stderr]     Checking timely v0.6.0
Dec 12 03:29:41.400 INFO [stderr]     Checking pagerank v0.1.0 (/source)
Dec 12 03:29:43.037 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 03:29:43.037 INFO [stderr]    --> src/main.rs:197:13
Dec 12 03:29:43.037 INFO [stderr]     |
Dec 12 03:29:43.037 INFO [stderr] 197 |             if (index == 0) {
Dec 12 03:29:43.037 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 03:29:43.037 INFO [stderr]     |
Dec 12 03:29:43.037 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 03:29:43.037 INFO [stderr] 
Dec 12 03:29:43.228 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 03:29:43.228 INFO [stderr]    --> src/main.rs:197:13
Dec 12 03:29:43.228 INFO [stderr]     |
Dec 12 03:29:43.228 INFO [stderr] 197 |             if (index == 0) {
Dec 12 03:29:43.228 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 03:29:43.228 INFO [stderr]     |
Dec 12 03:29:43.228 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 03:29:43.228 INFO [stderr] 
Dec 12 03:29:43.500 INFO [stderr] warning: unused variable: `diff`
Dec 12 03:29:43.500 INFO [stderr]    --> src/main.rs:115:43
Dec 12 03:29:43.500 INFO [stderr]     |
Dec 12 03:29:43.500 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Dec 12 03:29:43.500 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Dec 12 03:29:43.500 INFO [stderr]     |
Dec 12 03:29:43.500 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:29:43.500 INFO [stderr] 
Dec 12 03:29:43.541 INFO [stderr] warning: unused variable: `diff`
Dec 12 03:29:43.541 INFO [stderr]    --> src/main.rs:115:43
Dec 12 03:29:43.541 INFO [stderr]     |
Dec 12 03:29:43.541 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Dec 12 03:29:43.541 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Dec 12 03:29:43.541 INFO [stderr]     |
Dec 12 03:29:43.541 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 03:29:43.541 INFO [stderr] 
Dec 12 03:29:43.556 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.556 INFO [stderr]    --> src/main.rs:163:13
Dec 12 03:29:43.556 INFO [stderr]     |
Dec 12 03:29:43.556 INFO [stderr] 163 |         let mut round = 0;
Dec 12 03:29:43.556 INFO [stderr]     |             ----^^^^^
Dec 12 03:29:43.556 INFO [stderr]     |             |
Dec 12 03:29:43.556 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:29:43.556 INFO [stderr]     |
Dec 12 03:29:43.556 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:29:43.556 INFO [stderr] 
Dec 12 03:29:43.556 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.556 INFO [stderr]    --> src/main.rs:163:13
Dec 12 03:29:43.556 INFO [stderr]     |
Dec 12 03:29:43.556 INFO [stderr] 163 |         let mut round = 0;
Dec 12 03:29:43.556 INFO [stderr]     |             ----^^^^^
Dec 12 03:29:43.556 INFO [stderr]     |             |
Dec 12 03:29:43.556 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:29:43.556 INFO [stderr] 
Dec 12 03:29:43.560 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.560 INFO [stderr]    --> src/main.rs:187:6
Dec 12 03:29:43.560 INFO [stderr]     |
Dec 12 03:29:43.560 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Dec 12 03:29:43.560 INFO [stderr]     |         ----^^^^
Dec 12 03:29:43.560 INFO [stderr]     |         |
Dec 12 03:29:43.560 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:29:43.560 INFO [stderr] 
Dec 12 03:29:43.560 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.560 INFO [stderr]    --> src/main.rs:209:9
Dec 12 03:29:43.560 INFO [stderr]     |
Dec 12 03:29:43.560 INFO [stderr] 209 |     let mut node_number = node_list.len();
Dec 12 03:29:43.560 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 12 03:29:43.560 INFO [stderr]     |         |
Dec 12 03:29:43.560 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:29:43.560 INFO [stderr] 
Dec 12 03:29:43.560 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Dec 12 03:29:43.560 INFO [stderr]   --> src/main.rs:24:13
Dec 12 03:29:43.560 INFO [stderr]    |
Dec 12 03:29:43.560 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Dec 12 03:29:43.560 INFO [stderr]    |             ^^^^^^^^^^
Dec 12 03:29:43.560 INFO [stderr]    |
Dec 12 03:29:43.560 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 03:29:43.560 INFO [stderr] 
Dec 12 03:29:43.616 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.616 INFO [stderr]    --> src/main.rs:163:13
Dec 12 03:29:43.616 INFO [stderr]     |
Dec 12 03:29:43.616 INFO [stderr] 163 |         let mut round = 0;
Dec 12 03:29:43.616 INFO [stderr]     |             ----^^^^^
Dec 12 03:29:43.616 INFO [stderr]     |             |
Dec 12 03:29:43.616 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:29:43.616 INFO [stderr]     |
Dec 12 03:29:43.616 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:29:43.616 INFO [stderr] 
Dec 12 03:29:43.616 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.616 INFO [stderr]    --> src/main.rs:163:13
Dec 12 03:29:43.616 INFO [stderr]     |
Dec 12 03:29:43.616 INFO [stderr] 163 |         let mut round = 0;
Dec 12 03:29:43.616 INFO [stderr]     |             ----^^^^^
Dec 12 03:29:43.616 INFO [stderr]     |             |
Dec 12 03:29:43.617 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:29:43.617 INFO [stderr] 
Dec 12 03:29:43.617 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.617 INFO [stderr]    --> src/main.rs:187:6
Dec 12 03:29:43.617 INFO [stderr]     |
Dec 12 03:29:43.617 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Dec 12 03:29:43.617 INFO [stderr]     |         ----^^^^
Dec 12 03:29:43.617 INFO [stderr]     |         |
Dec 12 03:29:43.617 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:29:43.617 INFO [stderr] 
Dec 12 03:29:43.617 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:29:43.617 INFO [stderr]    --> src/main.rs:209:9
Dec 12 03:29:43.617 INFO [stderr]     |
Dec 12 03:29:43.617 INFO [stderr] 209 |     let mut node_number = node_list.len();
Dec 12 03:29:43.617 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 12 03:29:43.617 INFO [stderr]     |         |
Dec 12 03:29:43.617 INFO [stderr]     |         help: remove this `mut`
Dec 12 03:29:43.617 INFO [stderr] 
Dec 12 03:29:43.624 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Dec 12 03:29:43.624 INFO [stderr]   --> src/main.rs:24:13
Dec 12 03:29:43.624 INFO [stderr]    |
Dec 12 03:29:43.624 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Dec 12 03:29:43.624 INFO [stderr]    |             ^^^^^^^^^^
Dec 12 03:29:43.624 INFO [stderr]    |
Dec 12 03:29:43.624 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 03:29:43.624 INFO [stderr] 
Dec 12 03:29:43.665 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.53s
Dec 12 03:29:43.684 INFO [stderr] su: No module specific data is present
Dec 12 03:29:44.278 INFO running `"docker" "inspect" "20a17b879dabe58b45a7c4dd93ba91691d180a9202152003956af43e5ea1bf11"`
Dec 12 03:29:44.543 INFO running `"docker" "rm" "-f" "20a17b879dabe58b45a7c4dd93ba91691d180a9202152003956af43e5ea1bf11"`
Dec 12 03:29:44.802 INFO [stdout] 20a17b879dabe58b45a7c4dd93ba91691d180a9202152003956af43e5ea1bf11