Nov 28 14:13:03.342 INFO checking CheukNgai/PageRank_Timely against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:13:03.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 14:13:05.579 INFO [stdout] f1e34525b9c4330fc7613471d9e53314021095450d8677fd067ba08cfcd2f805
Nov 28 14:13:05.582 INFO running `"docker" "start" "-a" "f1e34525b9c4330fc7613471d9e53314021095450d8677fd067ba08cfcd2f805"`
Nov 28 14:13:06.539 INFO [stderr] usermod: no changes
Nov 28 14:13:06.663 INFO [stderr]     Checking file v1.1.2
Nov 28 14:13:06.664 INFO [stderr]     Checking timely_sort v0.1.6
Nov 28 14:13:06.665 INFO [stderr]     Checking timely_communication v0.6.0
Nov 28 14:13:08.208 INFO [stderr]     Checking timely v0.6.0
Nov 28 14:13:13.211 INFO [stderr]     Checking pagerank v0.1.0 (/source)
Nov 28 14:13:14.564 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 14:13:14.565 INFO [stderr]    --> src/main.rs:197:13
Nov 28 14:13:14.565 INFO [stderr]     |
Nov 28 14:13:14.565 INFO [stderr] 197 |             if (index == 0) {
Nov 28 14:13:14.566 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Nov 28 14:13:14.566 INFO [stderr]     |
Nov 28 14:13:14.566 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 14:13:14.566 INFO [stderr] 
Nov 28 14:13:14.864 INFO [stderr] warning: unused variable: `diff`
Nov 28 14:13:14.864 INFO [stderr]    --> src/main.rs:115:43
Nov 28 14:13:14.864 INFO [stderr]     |
Nov 28 14:13:14.864 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Nov 28 14:13:14.864 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Nov 28 14:13:14.876 INFO [stderr]     |
Nov 28 14:13:14.876 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 14:13:14.876 INFO [stderr] 
Nov 28 14:13:14.923 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:14.924 INFO [stderr]    --> src/main.rs:163:13
Nov 28 14:13:14.924 INFO [stderr]     |
Nov 28 14:13:14.924 INFO [stderr] 163 |         let mut round = 0;
Nov 28 14:13:14.924 INFO [stderr]     |             ----^^^^^
Nov 28 14:13:14.925 INFO [stderr]     |             |
Nov 28 14:13:14.925 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:13:14.925 INFO [stderr]     |
Nov 28 14:13:14.925 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 14:13:14.925 INFO [stderr] 
Nov 28 14:13:14.926 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:14.926 INFO [stderr]    --> src/main.rs:163:13
Nov 28 14:13:14.926 INFO [stderr]     |
Nov 28 14:13:14.926 INFO [stderr] 163 |         let mut round = 0;
Nov 28 14:13:14.927 INFO [stderr]     |             ----^^^^^
Nov 28 14:13:14.927 INFO [stderr]     |             |
Nov 28 14:13:14.927 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:13:14.927 INFO [stderr] 
Nov 28 14:13:14.939 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:14.939 INFO [stderr]    --> src/main.rs:187:6
Nov 28 14:13:14.939 INFO [stderr]     |
Nov 28 14:13:14.940 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Nov 28 14:13:14.940 INFO [stderr]     |         ----^^^^
Nov 28 14:13:14.940 INFO [stderr]     |         |
Nov 28 14:13:14.940 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:13:14.940 INFO [stderr] 
Nov 28 14:13:14.941 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:14.941 INFO [stderr]    --> src/main.rs:209:9
Nov 28 14:13:14.941 INFO [stderr]     |
Nov 28 14:13:14.941 INFO [stderr] 209 |     let mut node_number = node_list.len();
Nov 28 14:13:14.942 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 28 14:13:14.942 INFO [stderr]     |         |
Nov 28 14:13:14.942 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:13:14.942 INFO [stderr] 
Nov 28 14:13:14.943 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Nov 28 14:13:14.943 INFO [stderr]   --> src/main.rs:24:13
Nov 28 14:13:14.943 INFO [stderr]    |
Nov 28 14:13:14.943 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Nov 28 14:13:14.944 INFO [stderr]    |             ^^^^^^^^^^
Nov 28 14:13:14.944 INFO [stderr]    |
Nov 28 14:13:14.944 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 14:13:14.944 INFO [stderr] 
Nov 28 14:13:15.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 14:13:15.070 INFO [stderr]    --> src/main.rs:197:13
Nov 28 14:13:15.070 INFO [stderr]     |
Nov 28 14:13:15.070 INFO [stderr] 197 |             if (index == 0) {
Nov 28 14:13:15.071 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Nov 28 14:13:15.071 INFO [stderr]     |
Nov 28 14:13:15.071 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 28 14:13:15.071 INFO [stderr] 
Nov 28 14:13:15.246 INFO [stderr] warning: unused variable: `diff`
Nov 28 14:13:15.246 INFO [stderr]    --> src/main.rs:115:43
Nov 28 14:13:15.247 INFO [stderr]     |
Nov 28 14:13:15.247 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Nov 28 14:13:15.247 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Nov 28 14:13:15.247 INFO [stderr]     |
Nov 28 14:13:15.248 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 14:13:15.248 INFO [stderr] 
Nov 28 14:13:15.282 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:15.282 INFO [stderr]    --> src/main.rs:163:13
Nov 28 14:13:15.283 INFO [stderr]     |
Nov 28 14:13:15.283 INFO [stderr] 163 |         let mut round = 0;
Nov 28 14:13:15.283 INFO [stderr]     |             ----^^^^^
Nov 28 14:13:15.284 INFO [stderr]     |             |
Nov 28 14:13:15.284 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:13:15.284 INFO [stderr]     |
Nov 28 14:13:15.284 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 14:13:15.285 INFO [stderr] 
Nov 28 14:13:15.285 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:15.285 INFO [stderr]    --> src/main.rs:163:13
Nov 28 14:13:15.285 INFO [stderr]     |
Nov 28 14:13:15.286 INFO [stderr] 163 |         let mut round = 0;
Nov 28 14:13:15.286 INFO [stderr]     |             ----^^^^^
Nov 28 14:13:15.286 INFO [stderr]     |             |
Nov 28 14:13:15.287 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:13:15.287 INFO [stderr] 
Nov 28 14:13:15.288 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:15.288 INFO [stderr]    --> src/main.rs:187:6
Nov 28 14:13:15.288 INFO [stderr]     |
Nov 28 14:13:15.289 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Nov 28 14:13:15.289 INFO [stderr]     |         ----^^^^
Nov 28 14:13:15.289 INFO [stderr]     |         |
Nov 28 14:13:15.289 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:13:15.290 INFO [stderr] 
Nov 28 14:13:15.290 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:15.290 INFO [stderr]    --> src/main.rs:209:9
Nov 28 14:13:15.290 INFO [stderr]     |
Nov 28 14:13:15.291 INFO [stderr] 209 |     let mut node_number = node_list.len();
Nov 28 14:13:15.291 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 28 14:13:15.291 INFO [stderr]     |         |
Nov 28 14:13:15.292 INFO [stderr]     |         help: remove this `mut`
Nov 28 14:13:15.292 INFO [stderr] 
Nov 28 14:13:15.292 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Nov 28 14:13:15.292 INFO [stderr]   --> src/main.rs:24:13
Nov 28 14:13:15.293 INFO [stderr]    |
Nov 28 14:13:15.293 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Nov 28 14:13:15.293 INFO [stderr]    |             ^^^^^^^^^^
Nov 28 14:13:15.293 INFO [stderr]    |
Nov 28 14:13:15.294 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 14:13:15.294 INFO [stderr] 
Nov 28 14:13:15.337 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
Nov 28 14:13:15.353 INFO [stderr] su: No module specific data is present
Nov 28 14:13:16.940 INFO running `"docker" "inspect" "f1e34525b9c4330fc7613471d9e53314021095450d8677fd067ba08cfcd2f805"`
Nov 28 14:13:17.220 INFO running `"docker" "rm" "-f" "f1e34525b9c4330fc7613471d9e53314021095450d8677fd067ba08cfcd2f805"`
Nov 28 14:13:17.648 INFO [stdout] f1e34525b9c4330fc7613471d9e53314021095450d8677fd067ba08cfcd2f805