[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 master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fexpenses" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaynetro/expenses on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-3/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656d9748026ac8136c5c5b354f12fe6b2159a934d666c146983184ec9ca10f7f
[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" "656d9748026ac8136c5c5b354f12fe6b2159a934d666c146983184ec9ca10f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656d9748026ac8136c5c5b354f12fe6b2159a934d666c146983184ec9ca10f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656d9748026ac8136c5c5b354f12fe6b2159a934d666c146983184ec9ca10f7f", kill_on_drop: false }`
[INFO] [stdout] 656d9748026ac8136c5c5b354f12fe6b2159a934d666c146983184ec9ca10f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcdef96b1eff01ff35eaaf45c8514c367df57d9d39b16dbedd01a3d2e37a70c
[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" "0dcdef96b1eff01ff35eaaf45c8514c367df57d9d39b16dbedd01a3d2e37a70c", 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 dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "0dcdef96b1eff01ff35eaaf45c8514c367df57d9d39b16dbedd01a3d2e37a70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcdef96b1eff01ff35eaaf45c8514c367df57d9d39b16dbedd01a3d2e37a70c", kill_on_drop: false }`
[INFO] [stdout] 0dcdef96b1eff01ff35eaaf45c8514c367df57d9d39b16dbedd01a3d2e37a70c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1eed5432ae67b6ecccecbfaa772d080a2becc3a98147cd58c7fc01a1bfe0574
[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" "f1eed5432ae67b6ecccecbfaa772d080a2becc3a98147cd58c7fc01a1bfe0574", 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 2.51s
[INFO] running `Command { std: "docker" "inspect" "f1eed5432ae67b6ecccecbfaa772d080a2becc3a98147cd58c7fc01a1bfe0574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1eed5432ae67b6ecccecbfaa772d080a2becc3a98147cd58c7fc01a1bfe0574", kill_on_drop: false }`
[INFO] [stdout] f1eed5432ae67b6ecccecbfaa772d080a2becc3a98147cd58c7fc01a1bfe0574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73996718a07f96f97297803b559c3257b43983e65a8b0130ae157b70fcac17ee
[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" "73996718a07f96f97297803b559c3257b43983e65a8b0130ae157b70fcac17ee", 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expenses-c38cda79ef476aec
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::one_month_one_account ... ok
[INFO] [stdout] test tests::one_month_two_accounts ... ok
[INFO] [stdout] test tests::empty_file ... 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" "73996718a07f96f97297803b559c3257b43983e65a8b0130ae157b70fcac17ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73996718a07f96f97297803b559c3257b43983e65a8b0130ae157b70fcac17ee", kill_on_drop: false }`
[INFO] [stdout] 73996718a07f96f97297803b559c3257b43983e65a8b0130ae157b70fcac17ee