Nov 17 16:17:33.670 INFO testing CheukNgai/PageRank_Timely against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 16:17:33.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 16:17:35.743 INFO [stdout] b9470edddefe5075ac9383fb8787127f32db668e76f6c76239f46bd19ad84d91
Nov 17 16:17:35.748 INFO running `"docker" "start" "-a" "b9470edddefe5075ac9383fb8787127f32db668e76f6c76239f46bd19ad84d91"`
Nov 17 16:17:38.463 INFO [stderr] usermod: no changes
Nov 17 16:17:38.594 INFO [stderr]    Compiling abomonation v0.5.0
Nov 17 16:17:38.594 INFO [stderr]    Compiling timely_sort v0.1.6
Nov 17 16:17:38.594 INFO [stderr]    Compiling file v1.1.2
Nov 17 16:17:38.595 INFO [stderr]    Compiling abomonation_derive v0.3.0
Nov 17 16:17:45.223 INFO [stderr]    Compiling timely_communication v0.6.0
Nov 17 16:17:49.564 INFO [stderr]    Compiling timely v0.6.0
Nov 17 16:17:55.126 INFO [stderr]    Compiling pagerank v0.1.0 (/source)
Nov 17 16:17:55.963 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 16:17:55.963 INFO [stderr]    --> src/main.rs:197:13
Nov 17 16:17:55.964 INFO [stderr]     |
Nov 17 16:17:55.964 INFO [stderr] 197 |             if (index == 0) {
Nov 17 16:17:55.964 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Nov 17 16:17:55.964 INFO [stderr]     |
Nov 17 16:17:55.964 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 16:17:55.964 INFO [stderr] 
Nov 17 16:17:56.132 INFO [stderr] warning: unused variable: `diff`
Nov 17 16:17:56.132 INFO [stderr]    --> src/main.rs:115:43
Nov 17 16:17:56.132 INFO [stderr]     |
Nov 17 16:17:56.132 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Nov 17 16:17:56.132 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Nov 17 16:17:56.132 INFO [stderr]     |
Nov 17 16:17:56.132 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 16:17:56.134 INFO [stderr] 
Nov 17 16:17:56.174 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:17:56.174 INFO [stderr]    --> src/main.rs:163:13
Nov 17 16:17:56.174 INFO [stderr]     |
Nov 17 16:17:56.176 INFO [stderr] 163 |         let mut round = 0;
Nov 17 16:17:56.176 INFO [stderr]     |             ----^^^^^
Nov 17 16:17:56.176 INFO [stderr]     |             |
Nov 17 16:17:56.176 INFO [stderr]     |             help: remove this `mut`
Nov 17 16:17:56.176 INFO [stderr]     |
Nov 17 16:17:56.176 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 16:17:56.176 INFO [stderr] 
Nov 17 16:17:56.176 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:17:56.176 INFO [stderr]    --> src/main.rs:163:13
Nov 17 16:17:56.176 INFO [stderr]     |
Nov 17 16:17:56.176 INFO [stderr] 163 |         let mut round = 0;
Nov 17 16:17:56.176 INFO [stderr]     |             ----^^^^^
Nov 17 16:17:56.176 INFO [stderr]     |             |
Nov 17 16:17:56.176 INFO [stderr]     |             help: remove this `mut`
Nov 17 16:17:56.176 INFO [stderr] 
Nov 17 16:17:56.189 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:17:56.189 INFO [stderr]    --> src/main.rs:187:6
Nov 17 16:17:56.189 INFO [stderr]     |
Nov 17 16:17:56.189 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Nov 17 16:17:56.189 INFO [stderr]     |         ----^^^^
Nov 17 16:17:56.189 INFO [stderr]     |         |
Nov 17 16:17:56.189 INFO [stderr]     |         help: remove this `mut`
Nov 17 16:17:56.189 INFO [stderr] 
Nov 17 16:17:56.189 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:17:56.189 INFO [stderr]    --> src/main.rs:209:9
Nov 17 16:17:56.189 INFO [stderr]     |
Nov 17 16:17:56.189 INFO [stderr] 209 |     let mut node_number = node_list.len();
Nov 17 16:17:56.189 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 17 16:17:56.189 INFO [stderr]     |         |
Nov 17 16:17:56.189 INFO [stderr]     |         help: remove this `mut`
Nov 17 16:17:56.189 INFO [stderr] 
Nov 17 16:17:56.189 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Nov 17 16:17:56.189 INFO [stderr]   --> src/main.rs:24:13
Nov 17 16:17:56.189 INFO [stderr]    |
Nov 17 16:17:56.189 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Nov 17 16:17:56.189 INFO [stderr]    |             ^^^^^^^^^^
Nov 17 16:17:56.189 INFO [stderr]    |
Nov 17 16:17:56.189 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 16:17:56.189 INFO [stderr] 
Nov 17 16:18:09.003 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.50s
Nov 17 16:18:09.003 INFO [stderr] su: No module specific data is present
Nov 17 16:18:09.977 INFO running `"docker" "inspect" "b9470edddefe5075ac9383fb8787127f32db668e76f6c76239f46bd19ad84d91"`
Nov 17 16:18:10.362 INFO running `"docker" "rm" "-f" "b9470edddefe5075ac9383fb8787127f32db668e76f6c76239f46bd19ad84d91"`
Nov 17 16:18:10.715 INFO [stdout] b9470edddefe5075ac9383fb8787127f32db668e76f6c76239f46bd19ad84d91
Nov 17 16:18:10.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 16:18:11.187 INFO [stdout] 87d3632e03f8ffde3c7c4b2689aeb29e5d1dc1ac6aa739f02624d661f86b3de0
Nov 17 16:18:11.193 INFO running `"docker" "start" "-a" "87d3632e03f8ffde3c7c4b2689aeb29e5d1dc1ac6aa739f02624d661f86b3de0"`
Nov 17 16:18:12.612 INFO [stderr] usermod: no changes
Nov 17 16:18:12.711 INFO [stderr]    Compiling pagerank v0.1.0 (/source)
Nov 17 16:18:13.638 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 16:18:13.638 INFO [stderr]    --> src/main.rs:197:13
Nov 17 16:18:13.638 INFO [stderr]     |
Nov 17 16:18:13.638 INFO [stderr] 197 |             if (index == 0) {
Nov 17 16:18:13.638 INFO [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
Nov 17 16:18:13.638 INFO [stderr]     |
Nov 17 16:18:13.638 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 16:18:13.638 INFO [stderr] 
Nov 17 16:18:13.807 INFO [stderr] warning: unused variable: `diff`
Nov 17 16:18:13.807 INFO [stderr]    --> src/main.rs:115:43
Nov 17 16:18:13.807 INFO [stderr]     |
Nov 17 16:18:13.807 INFO [stderr] 115 |                                 for (dst, diff) in rank_changes.iter_mut() {
Nov 17 16:18:13.807 INFO [stderr]     |                                           ^^^^ help: consider using `_diff` instead
Nov 17 16:18:13.807 INFO [stderr]     |
Nov 17 16:18:13.807 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 16:18:13.807 INFO [stderr] 
Nov 17 16:18:13.843 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:18:13.843 INFO [stderr]    --> src/main.rs:163:13
Nov 17 16:18:13.843 INFO [stderr]     |
Nov 17 16:18:13.843 INFO [stderr] 163 |         let mut round = 0;
Nov 17 16:18:13.843 INFO [stderr]     |             ----^^^^^
Nov 17 16:18:13.843 INFO [stderr]     |             |
Nov 17 16:18:13.843 INFO [stderr]     |             help: remove this `mut`
Nov 17 16:18:13.843 INFO [stderr]     |
Nov 17 16:18:13.843 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 16:18:13.843 INFO [stderr] 
Nov 17 16:18:13.843 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:18:13.843 INFO [stderr]    --> src/main.rs:163:13
Nov 17 16:18:13.843 INFO [stderr]     |
Nov 17 16:18:13.843 INFO [stderr] 163 |         let mut round = 0;
Nov 17 16:18:13.843 INFO [stderr]     |             ----^^^^^
Nov 17 16:18:13.843 INFO [stderr]     |             |
Nov 17 16:18:13.843 INFO [stderr]     |             help: remove this `mut`
Nov 17 16:18:13.843 INFO [stderr] 
Nov 17 16:18:13.851 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:18:13.851 INFO [stderr]    --> src/main.rs:187:6
Nov 17 16:18:13.851 INFO [stderr]     |
Nov 17 16:18:13.851 INFO [stderr] 187 |     let mut file = BufReader::new(&f);
Nov 17 16:18:13.851 INFO [stderr]     |         ----^^^^
Nov 17 16:18:13.851 INFO [stderr]     |         |
Nov 17 16:18:13.851 INFO [stderr]     |         help: remove this `mut`
Nov 17 16:18:13.851 INFO [stderr] 
Nov 17 16:18:13.851 INFO [stderr] warning: variable does not need to be mutable
Nov 17 16:18:13.851 INFO [stderr]    --> src/main.rs:209:9
Nov 17 16:18:13.851 INFO [stderr]     |
Nov 17 16:18:13.851 INFO [stderr] 209 |     let mut node_number = node_list.len();
Nov 17 16:18:13.851 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 17 16:18:13.851 INFO [stderr]     |         |
Nov 17 16:18:13.851 INFO [stderr]     |         help: remove this `mut`
Nov 17 16:18:13.851 INFO [stderr] 
Nov 17 16:18:13.851 INFO [stderr] warning: variable `default_PR` should have a snake case name such as `default_pr`
Nov 17 16:18:13.851 INFO [stderr]   --> src/main.rs:24:13
Nov 17 16:18:13.851 INFO [stderr]    |
Nov 17 16:18:13.851 INFO [stderr] 24 |         let default_PR:f32 = 1.0 / node_number as f32;
Nov 17 16:18:13.851 INFO [stderr]    |             ^^^^^^^^^^
Nov 17 16:18:13.851 INFO [stderr]    |
Nov 17 16:18:13.851 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 17 16:18:13.851 INFO [stderr] 
Nov 17 16:18:14.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
Nov 17 16:18:14.372 INFO [stderr] su: No module specific data is present
Nov 17 16:18:15.025 INFO running `"docker" "inspect" "87d3632e03f8ffde3c7c4b2689aeb29e5d1dc1ac6aa739f02624d661f86b3de0"`
Nov 17 16:18:15.256 INFO running `"docker" "rm" "-f" "87d3632e03f8ffde3c7c4b2689aeb29e5d1dc1ac6aa739f02624d661f86b3de0"`
Nov 17 16:18:15.535 INFO [stdout] 87d3632e03f8ffde3c7c4b2689aeb29e5d1dc1ac6aa739f02624d661f86b3de0
Nov 17 16:18:15.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 17 16:18:16.028 INFO [stdout] 70a39f56db64ef5d387e5a6de426f3190769122e5a308248b5e2d33855a6ddae
Nov 17 16:18:16.039 INFO running `"docker" "start" "-a" "70a39f56db64ef5d387e5a6de426f3190769122e5a308248b5e2d33855a6ddae"`
Nov 17 16:18:17.115 INFO [stderr] usermod: no changes
Nov 17 16:18:17.254 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Nov 17 16:18:17.259 INFO [stderr]      Running /target/debug/deps/pagerank-2867d032c0167257
Nov 17 16:18:17.267 INFO [stdout] 
Nov 17 16:18:17.267 INFO [stdout] running 0 tests
Nov 17 16:18:17.267 INFO [stdout] 
Nov 17 16:18:17.267 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:18:17.267 INFO [stdout] 
Nov 17 16:18:17.270 INFO [stderr] su: No module specific data is present
Nov 17 16:18:17.895 INFO running `"docker" "inspect" "70a39f56db64ef5d387e5a6de426f3190769122e5a308248b5e2d33855a6ddae"`
Nov 17 16:18:18.097 INFO running `"docker" "rm" "-f" "70a39f56db64ef5d387e5a6de426f3190769122e5a308248b5e2d33855a6ddae"`
Nov 17 16:18:18.306 INFO [stdout] 70a39f56db64ef5d387e5a6de426f3190769122e5a308248b5e2d33855a6ddae