[INFO] fetching crate git_flow 0.0.6...
[INFO] testing git_flow-0.0.6 against 1.59.0 for beta-1.60-1
[INFO] extracting crate git_flow 0.0.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate git_flow 0.0.6 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git_flow 0.0.6
[INFO] finished tweaking crates.io crate git_flow 0.0.6
[INFO] tweaked toml for crates.io crate git_flow 0.0.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate git_flow 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94b0a76f89527e33a38ceb7592e053dbc663c9eae6710b3fb7a408eead7cdc4
[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" "f94b0a76f89527e33a38ceb7592e053dbc663c9eae6710b3fb7a408eead7cdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94b0a76f89527e33a38ceb7592e053dbc663c9eae6710b3fb7a408eead7cdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94b0a76f89527e33a38ceb7592e053dbc663c9eae6710b3fb7a408eead7cdc4", kill_on_drop: false }`
[INFO] [stdout] f94b0a76f89527e33a38ceb7592e053dbc663c9eae6710b3fb7a408eead7cdc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f23ebc560ae5941572945bf5270249e4d1a24cc638dca2ca81da12d3f98c85
[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" "08f23ebc560ae5941572945bf5270249e4d1a24cc638dca2ca81da12d3f98c85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_path_to_error v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling octocrab v0.9.1
[INFO] [stderr]    Compiling git_flow v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `head_ref`
[INFO] [stdout]  --> src/merged_pull_requests/release_branch.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn create_tag_and_release(head_ref: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_head_ref`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/merged_pull_requests/release_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/bugfix_branch.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_bugfix_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/bugfix_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/dependabot_branch.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_dependabot_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/dependabot_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/deployment_branch.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub async fn validate_deployment_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `octocrab`
[INFO] [stdout]   --> src/pull_requests/deployment_branch.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let octocrab = Octocrab::builder().personal_token(token).build()?;
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_octocrab`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/feature_branch.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_feature_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/feature_branch.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/improvement_branch.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_improvement_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/improvement_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/release_branch.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_release_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/release_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_ref`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     base_ref: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 rt.block_on(tag_and_release_future);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 rt.block_on(feature_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 rt.block_on(improvement_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "08f23ebc560ae5941572945bf5270249e4d1a24cc638dca2ca81da12d3f98c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f23ebc560ae5941572945bf5270249e4d1a24cc638dca2ca81da12d3f98c85", kill_on_drop: false }`
[INFO] [stdout] 08f23ebc560ae5941572945bf5270249e4d1a24cc638dca2ca81da12d3f98c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2bdc0f6d19b278abc77ec6d9c8a0f75f360147cd7258becbd42ce513092393b
[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" "d2bdc0f6d19b278abc77ec6d9c8a0f75f360147cd7258becbd42ce513092393b", kill_on_drop: false }`
[INFO] [stderr]    Compiling git_flow v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `head_ref`
[INFO] [stdout]  --> src/merged_pull_requests/release_branch.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn create_tag_and_release(head_ref: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_head_ref`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/merged_pull_requests/release_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/bugfix_branch.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_bugfix_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/bugfix_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/dependabot_branch.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_dependabot_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/dependabot_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/deployment_branch.rs:7:41
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub async fn validate_deployment_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `octocrab`
[INFO] [stdout]   --> src/pull_requests/deployment_branch.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let octocrab = Octocrab::builder().personal_token(token).build()?;
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_octocrab`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/feature_branch.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_feature_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/feature_branch.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/improvement_branch.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_improvement_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/improvement_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_number`
[INFO] [stdout]  --> src/pull_requests/release_branch.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn validate_release_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> src/pull_requests/release_branch.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stdout]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_ref`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     base_ref: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 rt.block_on(tag_and_release_future);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 rt.block_on(feature_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 rt.block_on(improvement_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 rt.block_on(bugfix_future);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "d2bdc0f6d19b278abc77ec6d9c8a0f75f360147cd7258becbd42ce513092393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bdc0f6d19b278abc77ec6d9c8a0f75f360147cd7258becbd42ce513092393b", kill_on_drop: false }`
[INFO] [stdout] d2bdc0f6d19b278abc77ec6d9c8a0f75f360147cd7258becbd42ce513092393b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 632cda892399f2c6e7ad2f6c1d715ca92684af4dc1d45c7b591c2cda031f8e70
[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" "632cda892399f2c6e7ad2f6c1d715ca92684af4dc1d45c7b591c2cda031f8e70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `head_ref`
[INFO] [stderr]  --> src/merged_pull_requests/release_branch.rs:4:37
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn create_tag_and_release(head_ref: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_head_ref`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/merged_pull_requests/release_branch.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/bugfix_branch.rs:4:37
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn validate_bugfix_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/pull_requests/bugfix_branch.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/dependabot_branch.rs:4:41
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn validate_dependabot_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/pull_requests/dependabot_branch.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/deployment_branch.rs:7:41
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub async fn validate_deployment_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `octocrab`
[INFO] [stderr]   --> src/pull_requests/deployment_branch.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |   let octocrab = Octocrab::builder().personal_token(token).build()?;
[INFO] [stderr]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_octocrab`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/feature_branch.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn validate_feature_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/pull_requests/feature_branch.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/improvement_branch.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn validate_improvement_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/pull_requests/improvement_branch.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pr_number`
[INFO] [stderr]  --> src/pull_requests/release_branch.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub async fn validate_release_branch(pr_number: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> src/pull_requests/release_branch.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let token = env::var("GIT_PERSONAL_ACCESS_TOKEN")?;
[INFO] [stderr]   |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `base_ref`
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     base_ref: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 rt.block_on(tag_and_release_future);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 rt.block_on(feature_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 rt.block_on(improvement_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 rt.block_on(bugfix_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:158:17
[INFO] [stderr]     |
[INFO] [stderr] 158 |                 rt.block_on(bugfix_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 rt.block_on(bugfix_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 rt.block_on(bugfix_future);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `git_flow` (bin "git_flow" test) generated 22 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_flow-d5240798c8ddbd3f)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "632cda892399f2c6e7ad2f6c1d715ca92684af4dc1d45c7b591c2cda031f8e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632cda892399f2c6e7ad2f6c1d715ca92684af4dc1d45c7b591c2cda031f8e70", kill_on_drop: false }`
[INFO] [stdout] 632cda892399f2c6e7ad2f6c1d715ca92684af4dc1d45c7b591c2cda031f8e70