[INFO] cloning repository https://github.com/jon-lipstate/leetcode-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jon-lipstate/leetcode-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjon-lipstate%2Fleetcode-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjon-lipstate%2Fleetcode-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6579b8b0bcf8e97d3864fb885d83ad6566a46ff1 [INFO] checking jon-lipstate/leetcode-practice against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjon-lipstate%2Fleetcode-practice" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jon-lipstate/leetcode-practice on toolchain 43ca9d18e333797f0aa3b525501a7cec8d61a96b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jon-lipstate/leetcode-practice [INFO] finished tweaking git repo https://github.com/jon-lipstate/leetcode-practice [INFO] tweaked toml for git repo https://github.com/jon-lipstate/leetcode-practice written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jon-lipstate/leetcode-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fea1bb82c06aed5529e8bb5217ac9d37fa8373339560ae910d500aad77f7f71f [INFO] running `Command { std: "docker" "start" "-a" "fea1bb82c06aed5529e8bb5217ac9d37fa8373339560ae910d500aad77f7f71f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fea1bb82c06aed5529e8bb5217ac9d37fa8373339560ae910d500aad77f7f71f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fea1bb82c06aed5529e8bb5217ac9d37fa8373339560ae910d500aad77f7f71f", kill_on_drop: false }` [INFO] [stdout] fea1bb82c06aed5529e8bb5217ac9d37fa8373339560ae910d500aad77f7f71f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 692844c27369b1586e2a4fc74d35376f919a2b519f21e762bdfdc0c0cd4e18b1 [INFO] running `Command { std: "docker" "start" "-a" "692844c27369b1586e2a4fc74d35376f919a2b519f21e762bdfdc0c0cd4e18b1", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | match num.cmp(&VAL) { [INFO] [stdout] | ^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 25 | match num.cmp(&raw const VAL) { [INFO] [stdout] | ~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/binary_search/p1346_check_if_n_and_its_double_exist.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let mut arr = [10, 2, 5, 3].to_vec(); [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: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/binary_search/p1346_check_if_n_and_its_double_exist.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut arr = [3, 1, 7, 11].to_vec(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/binary_search/p1346_check_if_n_and_its_double_exist.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut arr = [-2, 0, 10, -19, 4, 6, -8].to_vec(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | match num.cmp(&VAL) { [INFO] [stdout] | ^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 25 | match num.cmp(&raw const VAL) { [INFO] [stdout] | ~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:60:20 [INFO] [stdout] | [INFO] [stdout] 60 | assert_eq!(VAL, r); [INFO] [stdout] | ^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:70:20 [INFO] [stdout] | [INFO] [stdout] 70 | assert_eq!(VAL, r); [INFO] [stdout] | ^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:80:20 [INFO] [stdout] | [INFO] [stdout] 80 | assert_eq!(VAL, r); [INFO] [stdout] | ^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/algorithms/binary_search/p374_guess_number.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 90 | assert_eq!(VAL, r); [INFO] [stdout] | ^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "692844c27369b1586e2a4fc74d35376f919a2b519f21e762bdfdc0c0cd4e18b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "692844c27369b1586e2a4fc74d35376f919a2b519f21e762bdfdc0c0cd4e18b1", kill_on_drop: false }` [INFO] [stdout] 692844c27369b1586e2a4fc74d35376f919a2b519f21e762bdfdc0c0cd4e18b1