[INFO] cloning repository https://github.com/yukimura45z/pagerank-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukimura45z/pagerank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c069cea0ffa492f860ec7b4229e3e98da37698fa [INFO] testing yukimura45z/pagerank-rust against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yukimura45z/pagerank-rust on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yukimura45z/pagerank-rust [INFO] finished tweaking git repo https://github.com/yukimura45z/pagerank-rust [INFO] tweaked toml for git repo https://github.com/yukimura45z/pagerank-rust written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/yukimura45z/pagerank-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 233bf590c034bee1e315cf0cc1179f41d1a09bc76aaab8b502cab986d8d926de [INFO] running `Command { std: "docker" "start" "-a" "233bf590c034bee1e315cf0cc1179f41d1a09bc76aaab8b502cab986d8d926de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "233bf590c034bee1e315cf0cc1179f41d1a09bc76aaab8b502cab986d8d926de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "233bf590c034bee1e315cf0cc1179f41d1a09bc76aaab8b502cab986d8d926de", kill_on_drop: false }` [INFO] [stdout] 233bf590c034bee1e315cf0cc1179f41d1a09bc76aaab8b502cab986d8d926de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 151910ae12b0abe9b86376edb637c5cd72606588531a0919f943f72cbe6b8e5e [INFO] running `Command { std: "docker" "start" "-a" "151910ae12b0abe9b86376edb637c5cd72606588531a0919f943f72cbe6b8e5e", kill_on_drop: false }` [INFO] [stderr] Compiling pagerank-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `score` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^ ------------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "151910ae12b0abe9b86376edb637c5cd72606588531a0919f943f72cbe6b8e5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "151910ae12b0abe9b86376edb637c5cd72606588531a0919f943f72cbe6b8e5e", kill_on_drop: false }` [INFO] [stdout] 151910ae12b0abe9b86376edb637c5cd72606588531a0919f943f72cbe6b8e5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] feb8c19e8734aae5b2a38e713e97f4a85fc155d225f8858c8ea41f13103e7deb [INFO] running `Command { std: "docker" "start" "-a" "feb8c19e8734aae5b2a38e713e97f4a85fc155d225f8858c8ea41f13103e7deb", kill_on_drop: false }` [INFO] [stdout] warning: cannot borrow `score` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^ ------------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pagerank-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `score` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^ ------------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.00s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "feb8c19e8734aae5b2a38e713e97f4a85fc155d225f8858c8ea41f13103e7deb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feb8c19e8734aae5b2a38e713e97f4a85fc155d225f8858c8ea41f13103e7deb", kill_on_drop: false }` [INFO] [stdout] feb8c19e8734aae5b2a38e713e97f4a85fc155d225f8858c8ea41f13103e7deb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9cdd803f5703215960c721b11bc74cc925ce99161a85078730963ef00e6e91ba [INFO] running `Command { std: "docker" "start" "-a" "9cdd803f5703215960c721b11bc74cc925ce99161a85078730963ef00e6e91ba", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `score` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 31 | let dst_current_score = score.get(dst).unwrap_or(&0f64); [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] 32 | let src_current_score = current_score_vector.get(src).unwrap_or(&0f64); [INFO] [stderr] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stderr] | ^^^^^ ------------------ immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:33:7 [INFO] [stderr] | [INFO] [stderr] 33 | &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `pagerank-rust` (lib) generated 2 warnings [INFO] [stderr] warning: `pagerank-rust` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pagerank_rust-7dc514b4ef77f331) [INFO] [stderr] Doc-tests pagerank-rust [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_pagerank ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "9cdd803f5703215960c721b11bc74cc925ce99161a85078730963ef00e6e91ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cdd803f5703215960c721b11bc74cc925ce99161a85078730963ef00e6e91ba", kill_on_drop: false }` [INFO] [stdout] 9cdd803f5703215960c721b11bc74cc925ce99161a85078730963ef00e6e91ba