[INFO] cloning repository https://github.com/jo/microcouch-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo/microcouch-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37f5d8a8b046cc7df4e08be51c46c645771f03bb
[INFO] checking jo/microcouch-rs against master#d0835adc4e114eac911150b3692b830b5583223a for pr-149195-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo%2Fmicrocouch-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jo/microcouch-rs
[INFO] finished tweaking git repo https://github.com/jo/microcouch-rs
[INFO] tweaked toml for git repo https://github.com/jo/microcouch-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jo/microcouch-rs on toolchain d0835adc4e114eac911150b3692b830b5583223a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jo/microcouch-rs 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" "+d0835adc4e114eac911150b3692b830b5583223a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 7b389f20631ed925beca264d81d55fd72563c7ceeef2231e2755d906bc68fbc3
[INFO] running `Command { std: "docker" "start" "-a" "7b389f20631ed925beca264d81d55fd72563c7ceeef2231e2755d906bc68fbc3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stdout]    --> src/database.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Database {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/merge.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/merge.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseInfo` is never constructed
[INFO] [stdout]    --> src/database.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct DatabaseInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_doc` and `get_doc` are never used
[INFO] [stdout]    --> src/database.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Database {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 129 |     async fn save_doc(&self, doc: Doc) -> ();
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 130 |     async fn get_doc(&self, id: &str) -> Option<Doc>;
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Revisions` is never constructed
[INFO] [stdout]   --> src/http_database.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Revisions {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemmedRevs` is never constructed
[INFO] [stdout]  --> src/merge.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StemmedRevs {}
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/merge.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tree {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conflicts` is never constructed
[INFO] [stdout]  --> src/merge.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Conflicts {}
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]  --> src/merge.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Path {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergeResult` is never constructed
[INFO] [stdout]  --> src/merge.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MergeResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StemResult` is never constructed
[INFO] [stdout]   --> src/merge.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StemResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_merge` is never used
[INFO] [stdout]   --> src/merge.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn do_merge(tree: Tree, path: Path) -> MergeResult {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stem` is never used
[INFO] [stdout]   --> src/merge.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn stem(tree: Tree, depth: u32) -> StemResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/merge.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge(tree: Tree, path: Path, depth: u32) -> MergeResult {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.45
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "08ca6cabf00c8c11c1f50407adb7d7767882d94a5a68729b7bb73f26c6a3bead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ca6cabf00c8c11c1f50407adb7d7767882d94a5a68729b7bb73f26c6a3bead", kill_on_drop: false }`
[INFO] [stdout] 08ca6cabf00c8c11c1f50407adb7d7767882d94a5a68729b7bb73f26c6a3bead