[INFO] cloning repository https://github.com/ZeroErrors/github_branch_table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZeroErrors/github_branch_table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeroErrors%2Fgithub_branch_table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeroErrors%2Fgithub_branch_table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc69b3f5c61cf14e176a356b86ed00d78bec5c9a
[INFO] building ZeroErrors/github_branch_table against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeroErrors%2Fgithub_branch_table" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ZeroErrors/github_branch_table
[INFO] finished tweaking git repo https://github.com/ZeroErrors/github_branch_table
[INFO] tweaked toml for git repo https://github.com/ZeroErrors/github_branch_table written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZeroErrors/github_branch_table on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7f7a640a13350f7cbe9728cf326b918842b5c7846f99ddfe454705d3a32b415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7a640a13350f7cbe9728cf326b918842b5c7846f99ddfe454705d3a32b415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7a640a13350f7cbe9728cf326b918842b5c7846f99ddfe454705d3a32b415d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "31a169369297713f92df9e82049936d42ddeff0bdf3ac7ffd56e5f5c37d38d1f", kill_on_drop: false }`
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:135
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...b::Branch>>, repo: &str, settings: &Settings) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn store_branches(branches: &mut HashMap<String, HashMap<String, github::Branch>>, repo: &str, settings: &Settings) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:43:97
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_branch_pr(repo: &str, branch_name: &str, settings: &Settings) -> Result<Option<u64>, Box<Error>> {
[INFO] [stdout]    |                                                                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_branch_pr(repo: &str, branch_name: &str, settings: &Settings) -> Result<Option<u64>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:58:94
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_branch_info(repo: &str, branch_name: &str, settings: &Settings) -> Result<Branch, Box<Error>> {
[INFO] [stdout]    |                                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_branch_info(repo: &str, branch_name: &str, settings: &Settings) -> Result<Branch, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:77:124
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn list_branches(repo: &str, page: u16, branches: &mut HashMap<String, Branch>, settings: &Settings) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn list_branches(repo: &str, page: u16, branches: &mut HashMap<String, Branch>, settings: &Settings) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:28:96
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_or_load(repo: &str, settings: &Settings) -> Result<HashMap<String, github::Branch>, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_or_load(repo: &str, settings: &Settings) -> Result<HashMap<String, github::Branch>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:97
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_latest_modified_date(map: &HashMap<String, github::Branch>) -> Result<DateTime<Utc>, Box<Error>> {
[INFO] [stdout]    |                                                                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_latest_modified_date(map: &HashMap<String, github::Branch>) -> Result<DateTime<Utc>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:73
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn try_load(path: &Path) -> Result<HashMap<String, github::Branch>, Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn try_load(path: &Path) -> Result<HashMap<String, github::Branch>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "31a169369297713f92df9e82049936d42ddeff0bdf3ac7ffd56e5f5c37d38d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a169369297713f92df9e82049936d42ddeff0bdf3ac7ffd56e5f5c37d38d1f", kill_on_drop: false }`
[INFO] [stdout] 31a169369297713f92df9e82049936d42ddeff0bdf3ac7ffd56e5f5c37d38d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a253f3e1ed4267d0d6e669272c3cab5b7ccbc6456d8570d765f081c8e74de2b
[INFO] running `Command { std: "docker" "start" "-a" "5a253f3e1ed4267d0d6e669272c3cab5b7ccbc6456d8570d765f081c8e74de2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling github_branch_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:77:124
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn list_branches(repo: &str, page: u16, branches: &mut HashMap<String, Branch>, settings: &Settings) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                                                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn list_branches(repo: &str, page: u16, branches: &mut HashMap<String, Branch>, settings: &Settings) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:73
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn try_load(path: &Path) -> Result<HashMap<String, github::Branch>, Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn try_load(path: &Path) -> Result<HashMap<String, github::Branch>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:43:97
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_branch_pr(repo: &str, branch_name: &str, settings: &Settings) -> Result<Option<u64>, Box<Error>> {
[INFO] [stdout]    |                                                                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_branch_pr(repo: &str, branch_name: &str, settings: &Settings) -> Result<Option<u64>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:28:96
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_or_load(repo: &str, settings: &Settings) -> Result<HashMap<String, github::Branch>, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_or_load(repo: &str, settings: &Settings) -> Result<HashMap<String, github::Branch>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:97
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_latest_modified_date(map: &HashMap<String, github::Branch>) -> Result<DateTime<Utc>, Box<Error>> {
[INFO] [stdout]    |                                                                                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_latest_modified_date(map: &HashMap<String, github::Branch>) -> Result<DateTime<Utc>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/github.rs:58:94
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_branch_info(repo: &str, branch_name: &str, settings: &Settings) -> Result<Branch, Box<Error>> {
[INFO] [stdout]    |                                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_branch_info(repo: &str, branch_name: &str, settings: &Settings) -> Result<Branch, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:135
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...b::Branch>>, repo: &str, settings: &Settings) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn store_branches(branches: &mut HashMap<String, HashMap<String, github::Branch>>, repo: &str, settings: &Settings) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5a253f3e1ed4267d0d6e669272c3cab5b7ccbc6456d8570d765f081c8e74de2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a253f3e1ed4267d0d6e669272c3cab5b7ccbc6456d8570d765f081c8e74de2b", kill_on_drop: false }`
[INFO] [stdout] 5a253f3e1ed4267d0d6e669272c3cab5b7ccbc6456d8570d765f081c8e74de2b
