[INFO] cloning repository https://github.com/CheukNgai/PageRank_Timely [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CheukNgai/PageRank_Timely" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2828a9534788794f7c93d9d888eb8170488b1a7c [INFO] checking CheukNgai/PageRank_Timely against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheukNgai%2FPageRank_Timely" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/CheukNgai/PageRank_Timely on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/CheukNgai/PageRank_Timely already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded timely_sort v0.1.6 [INFO] [stderr] Downloaded abomonation v0.5.0 [INFO] [stderr] Downloaded abomonation_derive v0.3.0 [INFO] [stderr] Downloaded timely_communication v0.6.0 [INFO] [stderr] Downloaded file v1.1.2 [INFO] [stderr] Downloaded timely v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13073a036eb2b09aec4aa5f8b79e91926b50ab94206880586e646d1b00345397 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "13073a036eb2b09aec4aa5f8b79e91926b50ab94206880586e646d1b00345397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13073a036eb2b09aec4aa5f8b79e91926b50ab94206880586e646d1b00345397", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13073a036eb2b09aec4aa5f8b79e91926b50ab94206880586e646d1b00345397", kill_on_drop: false }` [INFO] [stdout] 13073a036eb2b09aec4aa5f8b79e91926b50ab94206880586e646d1b00345397 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cee5e815bf6568780f4e19036b7816e424a92e7766be8ba4a0496f828cab2b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2cee5e815bf6568780f4e19036b7816e424a92e7766be8ba4a0496f828cab2b3", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking byteorder v1.2.3 [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 synstructure v0.6.1 [INFO] [stderr] Checking getopts v0.2.18 [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] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | if (index == 0) { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | if (index == 0) { [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `diff` [INFO] [stdout] --> src/main.rs:115:43 [INFO] [stdout] | [INFO] [stdout] 115 | ... for (dst, diff) in rank_changes.iter_mut() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_diff` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:95:36 [INFO] [stdout] | [INFO] [stdout] 95 | ... let mut delta = ranks[src].clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:41 [INFO] [stdout] | [INFO] [stdout] 138 | ... let mut dst_num = dsts.len(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:140:45 [INFO] [stdout] | [INFO] [stdout] 140 | ... let mut delta = ranks[src].clone() / dst_num as f32; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | let mut round = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:187:6 [INFO] [stdout] | [INFO] [stdout] 187 | let mut file = BufReader::new(&f); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | let mut tuple = l.split_whitespace(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut node_number = node_list.len(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `default_PR` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let default_PR:f32 = 1.0 / node_number as f32; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `default_pr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `diff` [INFO] [stdout] --> src/main.rs:115:43 [INFO] [stdout] | [INFO] [stdout] 115 | ... for (dst, diff) in rank_changes.iter_mut() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_diff` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:95:36 [INFO] [stdout] | [INFO] [stdout] 95 | ... let mut delta = ranks[src].clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:41 [INFO] [stdout] | [INFO] [stdout] 138 | ... let mut dst_num = dsts.len(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:140:45 [INFO] [stdout] | [INFO] [stdout] 140 | ... let mut delta = ranks[src].clone() / dst_num as f32; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | let mut round = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:187:6 [INFO] [stdout] | [INFO] [stdout] 187 | let mut file = BufReader::new(&f); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | let mut tuple = l.split_whitespace(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut node_number = node_list.len(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `default_PR` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let default_PR:f32 = 1.0 / node_number as f32; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `default_pr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.95s [INFO] running `Command { std: "docker" "inspect" "2cee5e815bf6568780f4e19036b7816e424a92e7766be8ba4a0496f828cab2b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cee5e815bf6568780f4e19036b7816e424a92e7766be8ba4a0496f828cab2b3", kill_on_drop: false }` [INFO] [stdout] 2cee5e815bf6568780f4e19036b7816e424a92e7766be8ba4a0496f828cab2b3