[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust" "/workspace/builds/worker-89/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yukimura45z/pagerank-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-89/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b8ae70d055718f11385bbb2f3f2f7843ca7b835d35eb8ead9d0f552dcca7caf [INFO] running `Command { std: "docker" "start" "-a" "8b8ae70d055718f11385bbb2f3f2f7843ca7b835d35eb8ead9d0f552dcca7caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b8ae70d055718f11385bbb2f3f2f7843ca7b835d35eb8ead9d0f552dcca7caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b8ae70d055718f11385bbb2f3f2f7843ca7b835d35eb8ead9d0f552dcca7caf", kill_on_drop: false }` [INFO] [stdout] 8b8ae70d055718f11385bbb2f3f2f7843ca7b835d35eb8ead9d0f552dcca7caf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c34cfb7321ff86e6c843fc9192ec15668db6dab8d03021c344765815bafbfbb [INFO] running `Command { std: "docker" "start" "-a" "5c34cfb7321ff86e6c843fc9192ec15668db6dab8d03021c344765815bafbfbb", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "5c34cfb7321ff86e6c843fc9192ec15668db6dab8d03021c344765815bafbfbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c34cfb7321ff86e6c843fc9192ec15668db6dab8d03021c344765815bafbfbb", kill_on_drop: false }` [INFO] [stdout] 5c34cfb7321ff86e6c843fc9192ec15668db6dab8d03021c344765815bafbfbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af889121ac8c4f9a4d9e8f2d439c7af9a0d38d67326f247f1fe8aab4f8f4fda7 [INFO] running `Command { std: "docker" "start" "-a" "af889121ac8c4f9a4d9e8f2d439c7af9a0d38d67326f247f1fe8aab4f8f4fda7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "af889121ac8c4f9a4d9e8f2d439c7af9a0d38d67326f247f1fe8aab4f8f4fda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af889121ac8c4f9a4d9e8f2d439c7af9a0d38d67326f247f1fe8aab4f8f4fda7", kill_on_drop: false }` [INFO] [stdout] af889121ac8c4f9a4d9e8f2d439c7af9a0d38d67326f247f1fe8aab4f8f4fda7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3dd98638c7fdcff758bd08a50c34db4d7445cc6f03d373052c44ba96d9daa0ab [INFO] running `Command { std: "docker" "start" "-a" "3dd98638c7fdcff758bd08a50c34db4d7445cc6f03d373052c44ba96d9daa0ab", 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 33 | let _ = &score.insert(dst.to_string(), *dst_current_score + *src_current_score * *value); [INFO] [stderr] | +++++++ [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 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pagerank_rust-32d57a4af9038cf0) [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] [stderr] Doc-tests pagerank-rust [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" "3dd98638c7fdcff758bd08a50c34db4d7445cc6f03d373052c44ba96d9daa0ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dd98638c7fdcff758bd08a50c34db4d7445cc6f03d373052c44ba96d9daa0ab", kill_on_drop: false }` [INFO] [stdout] 3dd98638c7fdcff758bd08a50c34db4d7445cc6f03d373052c44ba96d9daa0ab