[INFO] updating cached repository https://github.com/zaynetro/expenses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64ccaceb3d12f625b94a68c632d4132134738e3e
[INFO] testing zaynetro/expenses against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fexpenses" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaynetro/expenses on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaynetro/expenses
[INFO] finished tweaking git repo https://github.com/zaynetro/expenses
[INFO] tweaked toml for git repo https://github.com/zaynetro/expenses written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/zaynetro/expenses already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e558c7911fbd0b0a96acbd5a443797a75a97f254e08d5a57bfb8f8c38a93b623
[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" "e558c7911fbd0b0a96acbd5a443797a75a97f254e08d5a57bfb8f8c38a93b623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e558c7911fbd0b0a96acbd5a443797a75a97f254e08d5a57bfb8f8c38a93b623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e558c7911fbd0b0a96acbd5a443797a75a97f254e08d5a57bfb8f8c38a93b623", kill_on_drop: false }`
[INFO] [stdout] e558c7911fbd0b0a96acbd5a443797a75a97f254e08d5a57bfb8f8c38a93b623
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2edf7dd7ae9b1c64eea89a8854331803ab376140d3d5b1b93dfe621e35468de
[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" "e2edf7dd7ae9b1c64eea89a8854331803ab376140d3d5b1b93dfe621e35468de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling expenses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/account.rs:43:35
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/account.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout]   |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/recurrent.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:27
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "e2edf7dd7ae9b1c64eea89a8854331803ab376140d3d5b1b93dfe621e35468de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2edf7dd7ae9b1c64eea89a8854331803ab376140d3d5b1b93dfe621e35468de", kill_on_drop: false }`
[INFO] [stdout] e2edf7dd7ae9b1c64eea89a8854331803ab376140d3d5b1b93dfe621e35468de
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e484666e2f56407eb8307d5c9c4c7b4c0936036c3c8d948eddc1cb2f1b6ced
[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" "c0e484666e2f56407eb8307d5c9c4c7b4c0936036c3c8d948eddc1cb2f1b6ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling expenses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/account.rs:43:35
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/account.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout]   |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/recurrent.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:27
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]     |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "c0e484666e2f56407eb8307d5c9c4c7b4c0936036c3c8d948eddc1cb2f1b6ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e484666e2f56407eb8307d5c9c4c7b4c0936036c3c8d948eddc1cb2f1b6ced", kill_on_drop: false }`
[INFO] [stdout] c0e484666e2f56407eb8307d5c9c4c7b4c0936036c3c8d948eddc1cb2f1b6ced
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2916c79356ee1d8f950d9340d7b7ae598893a42489e18a4095140f0b06ca583
[INFO] running `Command { std: "docker" "start" "-a" "f2916c79356ee1d8f950d9340d7b7ae598893a42489e18a4095140f0b06ca583", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/account.rs:43:35
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/account.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/parse.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stderr]   |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/recurrent.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stderr]    |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:78:36
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:92:36
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:104:28
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:114:27
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]     |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expenses-58b4a38a237bfd3a
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::empty_file ... ok
[INFO] [stdout] test tests::one_month_one_account ... ok
[INFO] [stdout] test tests::one_month_two_accounts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2916c79356ee1d8f950d9340d7b7ae598893a42489e18a4095140f0b06ca583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2916c79356ee1d8f950d9340d7b7ae598893a42489e18a4095140f0b06ca583", kill_on_drop: false }`
[INFO] [stdout] f2916c79356ee1d8f950d9340d7b7ae598893a42489e18a4095140f0b06ca583