[INFO] cloning repository https://github.com/zhu91aizhu/mzt-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhu91aizhu/mzt-downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhu91aizhu%2Fmzt-downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhu91aizhu%2Fmzt-downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da89535a8bad6962c94678cfed64c13cec07d7f1
[INFO] checking zhu91aizhu/mzt-downloader against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhu91aizhu%2Fmzt-downloader" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhu91aizhu/mzt-downloader
[INFO] finished tweaking git repo https://github.com/zhu91aizhu/mzt-downloader
[INFO] tweaked toml for git repo https://github.com/zhu91aizhu/mzt-downloader written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhu91aizhu/mzt-downloader on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhu91aizhu/mzt-downloader 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:307:66
[INFO] [stdout]     |
[INFO] [stdout] 307 |         async fn parse_albums(&self, keyword: String, page: u32, size: u32) -> Result<(Vec<Album>, u32)> {
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `html`
[INFO] [stdout]    --> src/lib.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |         fn get_pagination(&self, html: &str) -> usize {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:402:66
[INFO] [stdout]     |
[INFO] [stdout] 402 |         async fn parse_albums(&self, keyword: String, page: u32, size: u32) -> Result<(Vec<Album>, u32)> {
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page` is never read
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     struct InnerParser {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 162 |         client: Client,
[INFO] [stdout] 163 |         page: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerParser` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:530:25
[INFO] [stdout]     |
[INFO] [stdout] 530 |     async fn get_albums(&mut self) -> AlbumResult {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 530 |     async fn get_albums(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:549:26
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub async fn current(&mut self) -> AlbumResult {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub async fn current(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub async fn prev(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub async fn prev(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:569:23
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub async fn next(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub async fn next(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:582:24
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub async fn first(&mut self) -> AlbumResult {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub async fn first(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:587:23
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub async fn last(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub async fn last(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:597:23
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub async fn jump(&mut self, page: &u32) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^                 ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub async fn jump(&mut self, page: &u32) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:307:66
[INFO] [stdout]     |
[INFO] [stdout] 307 |         async fn parse_albums(&self, keyword: String, page: u32, size: u32) -> Result<(Vec<Album>, u32)> {
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `html`
[INFO] [stdout]    --> src/lib.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |         fn get_pagination(&self, html: &str) -> usize {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/lib.rs:402:66
[INFO] [stdout]     |
[INFO] [stdout] 402 |         async fn parse_albums(&self, keyword: String, page: u32, size: u32) -> Result<(Vec<Album>, u32)> {
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/lib.rs:688:17
[INFO] [stdout]     |
[INFO] [stdout] 688 |             let ret = searcher.next().await;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `page` is never read
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     struct InnerParser {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 162 |         client: Client,
[INFO] [stdout] 163 |         page: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerParser` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:530:25
[INFO] [stdout]     |
[INFO] [stdout] 530 |     async fn get_albums(&mut self) -> AlbumResult {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 530 |     async fn get_albums(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:549:26
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub async fn current(&mut self) -> AlbumResult {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub async fn current(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:558:23
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub async fn prev(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub async fn prev(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:569:23
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub async fn next(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub async fn next(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:582:24
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub async fn first(&mut self) -> AlbumResult {
[INFO] [stdout]     |                        ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub async fn first(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:587:23
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub async fn last(&mut self) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub async fn last(&mut self) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:597:23
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub async fn jump(&mut self, page: &u32) -> AlbumResult {
[INFO] [stdout]     |                       ^^^^^^^^^                 ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub async fn jump(&mut self, page: &u32) -> AlbumResult<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bin/web.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default_failure` is never used
[INFO] [stdout]   --> src/bin/web.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl <T> CommonResponse<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn default_failure() -> CommonResponse<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/bin/web.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default_failure` is never used
[INFO] [stdout]   --> src/bin/web.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl <T> CommonResponse<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn default_failure() -> CommonResponse<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.32s
[INFO] running `Command { std: "docker" "inspect" "99646a4f7a99327ffde4a6cb60e61326db2b64892b2e32df0e7fd6cfe41cd5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99646a4f7a99327ffde4a6cb60e61326db2b64892b2e32df0e7fd6cfe41cd5be", kill_on_drop: false }`
[INFO] [stdout] 99646a4f7a99327ffde4a6cb60e61326db2b64892b2e32df0e7fd6cfe41cd5be
