[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c069cea0ffa492f860ec7b4229e3e98da37698fa
[INFO] checking yukimura45z/pagerank-rust against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukimura45z%2Fpagerank-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukimura45z/pagerank-rust on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b5193a86d487617e7af478903283fadd228d3c97d0327caf1d6582069c1a6c5
[INFO] running `Command { std: "docker" "start" "-a" "4b5193a86d487617e7af478903283fadd228d3c97d0327caf1d6582069c1a6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5193a86d487617e7af478903283fadd228d3c97d0327caf1d6582069c1a6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5193a86d487617e7af478903283fadd228d3c97d0327caf1d6582069c1a6c5", kill_on_drop: false }`
[INFO] [stdout] 4b5193a86d487617e7af478903283fadd228d3c97d0327caf1d6582069c1a6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6e67f46315360da805ce5a7df45e8d97cef4228b84403a0c8f0fecc004626a2
[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" "c6e67f46315360da805ce5a7df45e8d97cef4228b84403a0c8f0fecc004626a2", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c6e67f46315360da805ce5a7df45e8d97cef4228b84403a0c8f0fecc004626a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e67f46315360da805ce5a7df45e8d97cef4228b84403a0c8f0fecc004626a2", kill_on_drop: false }`
[INFO] [stdout] c6e67f46315360da805ce5a7df45e8d97cef4228b84403a0c8f0fecc004626a2