[INFO] cloning repository https://github.com/ThomasHarris0147/Parallel-Page-Rank [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasHarris0147/Parallel-Page-Rank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHarris0147%2FParallel-Page-Rank", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHarris0147%2FParallel-Page-Rank'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 96bd254d0f0cabc08b94e7dc4e81cab6159e59c4 [INFO] testing ThomasHarris0147/Parallel-Page-Rank against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHarris0147%2FParallel-Page-Rank" "/workspace/builds/worker-40/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ThomasHarris0147/Parallel-Page-Rank on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ThomasHarris0147/Parallel-Page-Rank [INFO] finished tweaking git repo https://github.com/ThomasHarris0147/Parallel-Page-Rank [INFO] tweaked toml for git repo https://github.com/ThomasHarris0147/Parallel-Page-Rank written to /workspace/builds/worker-40/source/Cargo.toml [INFO] crate git repo https://github.com/ThomasHarris0147/Parallel-Page-Rank already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc88adb2e8401e86c2711f027ebfc86826273e81d9688088a901162c5fe386dd [INFO] running `Command { std: "docker" "start" "-a" "cc88adb2e8401e86c2711f027ebfc86826273e81d9688088a901162c5fe386dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc88adb2e8401e86c2711f027ebfc86826273e81d9688088a901162c5fe386dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc88adb2e8401e86c2711f027ebfc86826273e81d9688088a901162c5fe386dd", kill_on_drop: false }` [INFO] [stdout] cc88adb2e8401e86c2711f027ebfc86826273e81d9688088a901162c5fe386dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fcd0019119023f2ee5b5db57188fb0b00a17c11c7263584a5914f63275b13fb [INFO] running `Command { std: "docker" "start" "-a" "2fcd0019119023f2ee5b5db57188fb0b00a17c11c7263584a5914f63275b13fb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling PageRank v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `for_fun` [INFO] [stdout] --> src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut for_fun = to_return.clone(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_fun` [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:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut for_fun = to_return.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: crate `PageRank` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `page_rank` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 03s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2fcd0019119023f2ee5b5db57188fb0b00a17c11c7263584a5914f63275b13fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fcd0019119023f2ee5b5db57188fb0b00a17c11c7263584a5914f63275b13fb", kill_on_drop: false }` [INFO] [stdout] 2fcd0019119023f2ee5b5db57188fb0b00a17c11c7263584a5914f63275b13fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1682f5b6b6759efbba52727c4d9eaff70cfe16f5a688e100098998f8f335a06a [INFO] running `Command { std: "docker" "start" "-a" "1682f5b6b6759efbba52727c4d9eaff70cfe16f5a688e100098998f8f335a06a", kill_on_drop: false }` [INFO] [stderr] Compiling PageRank v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `for_fun` [INFO] [stdout] --> src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut for_fun = to_return.clone(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_fun` [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:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut for_fun = to_return.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: crate `PageRank` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `page_rank` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "1682f5b6b6759efbba52727c4d9eaff70cfe16f5a688e100098998f8f335a06a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1682f5b6b6759efbba52727c4d9eaff70cfe16f5a688e100098998f8f335a06a", kill_on_drop: false }` [INFO] [stdout] 1682f5b6b6759efbba52727c4d9eaff70cfe16f5a688e100098998f8f335a06a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1f7bbef049a32cf363bbf7eaf16e8901d0749419abf89907e2ac2f6daf69db77 [INFO] running `Command { std: "docker" "start" "-a" "1f7bbef049a32cf363bbf7eaf16e8901d0749419abf89907e2ac2f6daf69db77", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `for_fun` [INFO] [stderr] --> src/main.rs:148:13 [INFO] [stderr] | [INFO] [stderr] 148 | let mut for_fun = to_return.clone(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_fun` [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:148:9 [INFO] [stderr] | [INFO] [stderr] 148 | let mut for_fun = to_return.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: crate `PageRank` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `page_rank` [INFO] [stderr] [INFO] [stderr] warning: `PageRank` (bin "PageRank" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/PageRank-eaee68e2da39ab14) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1f7bbef049a32cf363bbf7eaf16e8901d0749419abf89907e2ac2f6daf69db77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f7bbef049a32cf363bbf7eaf16e8901d0749419abf89907e2ac2f6daf69db77", kill_on_drop: false }` [INFO] [stdout] 1f7bbef049a32cf363bbf7eaf16e8901d0749419abf89907e2ac2f6daf69db77