[INFO] cloning repository https://github.com/vihu/leetcode_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vihu/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61395d5fbf7bbaade6b419fb485e4dc8a04b06c2 [INFO] checking vihu/leetcode_rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_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/vihu/leetcode_rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vihu/leetcode_rust [INFO] finished tweaking git repo https://github.com/vihu/leetcode_rust [INFO] tweaked toml for git repo https://github.com/vihu/leetcode_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/vihu/leetcode_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c1ac1fcec9bfeaf99486886774d87eaf08436c601465f697d94d65279f03392 [INFO] running `Command { std: "docker" "start" "-a" "8c1ac1fcec9bfeaf99486886774d87eaf08436c601465f697d94d65279f03392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c1ac1fcec9bfeaf99486886774d87eaf08436c601465f697d94d65279f03392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c1ac1fcec9bfeaf99486886774d87eaf08436c601465f697d94d65279f03392", kill_on_drop: false }` [INFO] [stdout] 8c1ac1fcec9bfeaf99486886774d87eaf08436c601465f697d94d65279f03392 [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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67a1324a4f18d17890d89bb41ff99b546a836f9d25b3be25be2ba72f3434fcec [INFO] running `Command { std: "docker" "start" "-a" "67a1324a4f18d17890d89bb41ff99b546a836f9d25b3be25be2ba72f3434fcec", kill_on_drop: false }` [INFO] [stderr] Checking leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/google/p560.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 27 | match map.get(&sum) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | map.insert(sum, v + 1); [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: associated function is never used: `new` [INFO] [stdout] --> src/google/p155.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/google/p155.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/google/p155.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `top` [INFO] [stdout] --> src/google/p155.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_min` [INFO] [stdout] --> src/google/p155.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn get_min(&self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/google/p155.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/google/p560.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 27 | match map.get(&sum) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | map.insert(sum, v + 1); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "67a1324a4f18d17890d89bb41ff99b546a836f9d25b3be25be2ba72f3434fcec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67a1324a4f18d17890d89bb41ff99b546a836f9d25b3be25be2ba72f3434fcec", kill_on_drop: false }` [INFO] [stdout] 67a1324a4f18d17890d89bb41ff99b546a836f9d25b3be25be2ba72f3434fcec