[INFO] cloning repository https://github.com/zaynetro/expenses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaynetro/expenses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fexpenses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fexpenses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64ccaceb3d12f625b94a68c632d4132134738e3e
[INFO] testing zaynetro/expenses against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fexpenses" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaynetro/expenses on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-75/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" "+beta-2022-04-10" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab848c735b5b680c9df60ace58978b91c6a2de63cc3203cf53be35cf1dd91b5b
[INFO] running `Command { std: "docker" "start" "-a" "ab848c735b5b680c9df60ace58978b91c6a2de63cc3203cf53be35cf1dd91b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab848c735b5b680c9df60ace58978b91c6a2de63cc3203cf53be35cf1dd91b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab848c735b5b680c9df60ace58978b91c6a2de63cc3203cf53be35cf1dd91b5b", kill_on_drop: false }`
[INFO] [stdout] ab848c735b5b680c9df60ace58978b91c6a2de63cc3203cf53be35cf1dd91b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a17a602505fe3fa9dab412db7d871a3f2832eef134f3d9c2e53ddf76c98ee0
[INFO] running `Command { std: "docker" "start" "-a" "a3a17a602505fe3fa9dab412db7d871a3f2832eef134f3d9c2e53ddf76c98ee0", 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/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout] 32 + fn expenses(out: &mut dyn io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout] 50 + fn expenses_single(out: &mut dyn io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 - fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 73 + fn print_section_separator(out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 - fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 78 + fn print_account_details(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 - fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout] 92 + fn print_summary_account(out: &mut dyn io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout]    | 
[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]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 - fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout] 104 + fn print_summary(out: &mut dyn io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout]     | 
[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]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 - fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 114 + fn print_months(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 43 +     pub fn print(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 53 +     pub fn print_short(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 - pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout] 7 + pub fn parse(out: &mut dyn io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout]   | 
[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]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 - pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 38 + pub fn print(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "a3a17a602505fe3fa9dab412db7d871a3f2832eef134f3d9c2e53ddf76c98ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a17a602505fe3fa9dab412db7d871a3f2832eef134f3d9c2e53ddf76c98ee0", kill_on_drop: false }`
[INFO] [stdout] a3a17a602505fe3fa9dab412db7d871a3f2832eef134f3d9c2e53ddf76c98ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 830014ca05053d2ed987aad944238657960c30dad046a29b76a773a5638cdded
[INFO] running `Command { std: "docker" "start" "-a" "830014ca05053d2ed987aad944238657960c30dad046a29b76a773a5638cdded", 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/main.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout] 32 + fn expenses(out: &mut dyn io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout] 50 + fn expenses_single(out: &mut dyn io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stdout]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 - fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 73 + fn print_section_separator(out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 - fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 78 + fn print_account_details(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 - fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout] 92 + fn print_summary_account(out: &mut dyn io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stdout]    | 
[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]     |                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 - fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout] 104 + fn print_summary(out: &mut dyn io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stdout]     | 
[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]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 - fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 114 + fn print_months(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 43 +     pub fn print(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stdout] 53 +     pub fn print_short(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stdout]    | 
[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]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 - pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout] 7 + pub fn parse(out: &mut dyn io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stdout]   | 
[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]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 - pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout] 38 + pub fn print(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.07s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/expenses-844a64ba49d675cf)
[INFO] running `Command { std: "docker" "inspect" "830014ca05053d2ed987aad944238657960c30dad046a29b76a773a5638cdded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830014ca05053d2ed987aad944238657960c30dad046a29b76a773a5638cdded", kill_on_drop: false }`
[INFO] [stdout] 830014ca05053d2ed987aad944238657960c30dad046a29b76a773a5638cdded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6db87c8f06f67aab3a43911b101a9dc7e0522f62cbee216e5b2dafd6b224b8c
[INFO] running `Command { std: "docker" "start" "-a" "e6db87c8f06f67aab3a43911b101a9dc7e0522f62cbee216e5b2dafd6b224b8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:32:23
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 3 tests
[INFO] [stderr] 32 | fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stdout] test tests::empty_file ... ok
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stdout] test tests::one_month_one_account ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::one_month_two_accounts ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 - fn expenses(out: &mut io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stderr] 32 + fn expenses(out: &mut dyn io::Write, file_paths: Vec<String>) -> io::Result<()> {
[INFO] [stderr]    | 
[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]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 - fn expenses_single(out: &mut io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stderr] 50 + fn expenses_single(out: &mut dyn io::Write, file_path: &str) -> io::Result<Summary> {
[INFO] [stderr]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 73 - fn print_section_separator(out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr] 73 + fn print_section_separator(out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stderr]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 78 - fn print_account_details(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr] 78 + fn print_account_details(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]    | 
[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]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 92 - fn print_summary_account(out: &mut io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stderr] 92 + fn print_summary_account(out: &mut dyn io::Write, account: &Account) -> io::Result<Summary> {
[INFO] [stderr]    | 
[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]     |                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 - fn print_summary(out: &mut io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stderr] 104 + fn print_summary(out: &mut dyn io::Write, summary: &Summary) -> io::Result<()> {
[INFO] [stderr]     | 
[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]     |                           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 114 - fn print_months(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr] 114 + fn print_months(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[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]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 -     pub fn print(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr] 43 +     pub fn print(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stderr]    | 
[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]    |                                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 -     pub fn print_short(&self, out: &mut io::Write) -> io::Result<()> {
[INFO] [stderr] 53 +     pub fn print_short(&self, out: &mut dyn io::Write) -> io::Result<()> {
[INFO] [stderr]    | 
[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]   |                        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 - pub fn parse(out: &mut io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stderr] 7 + pub fn parse(out: &mut dyn io::Write, file_path: &str) -> io::Result<Account> {
[INFO] [stderr]   | 
[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]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 - pub fn print(out: &mut io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr] 38 + pub fn print(out: &mut dyn io::Write, account: &Account) -> io::Result<()> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `expenses` (bin "expenses" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.79s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/expenses-844a64ba49d675cf)
[INFO] running `Command { std: "docker" "inspect" "e6db87c8f06f67aab3a43911b101a9dc7e0522f62cbee216e5b2dafd6b224b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6db87c8f06f67aab3a43911b101a9dc7e0522f62cbee216e5b2dafd6b224b8c", kill_on_drop: false }`
[INFO] [stdout] e6db87c8f06f67aab3a43911b101a9dc7e0522f62cbee216e5b2dafd6b224b8c