[INFO] cloning repository https://github.com/davidmoreno/aseqkeeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidmoreno/aseqkeeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Faseqkeeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Faseqkeeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0aa9b16d0021e086e9f3ee0fac60001c6d7f42e
[INFO] testing davidmoreno/aseqkeeper against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Faseqkeeper" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidmoreno/aseqkeeper on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidmoreno/aseqkeeper
[INFO] finished tweaking git repo https://github.com/davidmoreno/aseqkeeper
[INFO] tweaked toml for git repo https://github.com/davidmoreno/aseqkeeper written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/davidmoreno/aseqkeeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe28a394db5b978fa59fcfd28e58e76e32cba6b666debf8e7ddb119b73676c9
[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" "fbe28a394db5b978fa59fcfd28e58e76e32cba6b666debf8e7ddb119b73676c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe28a394db5b978fa59fcfd28e58e76e32cba6b666debf8e7ddb119b73676c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe28a394db5b978fa59fcfd28e58e76e32cba6b666debf8e7ddb119b73676c9", kill_on_drop: false }`
[INFO] [stdout] fbe28a394db5b978fa59fcfd28e58e76e32cba6b666debf8e7ddb119b73676c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4219ae206f589b207369e45a8727dbc3e6dea92c7eeb8683553f0da9005d6b24
[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" "4219ae206f589b207369e45a8727dbc3e6dea92c7eeb8683553f0da9005d6b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling flexi_logger v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling alsa v0.2.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling aseqkeeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[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 2018) 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] 51 - fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[INFO] [stdout] 51 + fn connect_all(seq: &seq::Seq) -> 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:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn setup_alsaseq() -> Result<seq::Seq, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 - fn setup_alsaseq() -> Result<seq::Seq, Box<Error>>{
[INFO] [stdout] 81 + fn setup_alsaseq() -> Result<seq::Seq, 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:103:84
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> Result<(), Box<Error>> {
[INFO] [stdout] 103 + fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> 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:113:75
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 - fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, Box<Error>>{
[INFO] [stdout] 113 + fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, 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:129:107
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 - fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 129 + fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> 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:140:131
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 - fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 140 + fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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:149:123
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 - fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 149 + fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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:161:54
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn load_connections() -> Result<Vec<Connection>, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 161 - fn load_connections() -> Result<Vec<Connection>, Box<Error>> {
[INFO] [stdout] 161 + fn load_connections() -> Result<Vec<Connection>, 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:176:75
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn store_connections(connections: &mut Vec<Connection>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 - fn store_connections(connections: &mut Vec<Connection>) -> Result<(), Box<Error>>{
[INFO] [stdout] 176 + fn store_connections(connections: &mut Vec<Connection>) -> 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:200:75
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 200 - fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, Box<Error>> {
[INFO] [stdout] 200 + fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, 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:226:29
[INFO] [stdout]     |
[INFO] [stdout] 226 | 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 - fn main() -> Result<(), Box<Error>> {
[INFO] [stdout] 226 + fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:192:52
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   why.description())
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.49s
[INFO] running `Command { std: "docker" "inspect" "4219ae206f589b207369e45a8727dbc3e6dea92c7eeb8683553f0da9005d6b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4219ae206f589b207369e45a8727dbc3e6dea92c7eeb8683553f0da9005d6b24", kill_on_drop: false }`
[INFO] [stdout] 4219ae206f589b207369e45a8727dbc3e6dea92c7eeb8683553f0da9005d6b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d8af76227d69d9e505234f8976b3545c329fa7f7267b1652535768bb7df1d12
[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" "6d8af76227d69d9e505234f8976b3545c329fa7f7267b1652535768bb7df1d12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aseqkeeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[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 2018) 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] 51 - fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[INFO] [stdout] 51 + fn connect_all(seq: &seq::Seq) -> 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:81:44
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn setup_alsaseq() -> Result<seq::Seq, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 81 - fn setup_alsaseq() -> Result<seq::Seq, Box<Error>>{
[INFO] [stdout] 81 + fn setup_alsaseq() -> Result<seq::Seq, 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:103:84
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> Result<(), Box<Error>> {
[INFO] [stdout] 103 + fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> 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:113:75
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 - fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, Box<Error>>{
[INFO] [stdout] 113 + fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, 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:129:107
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 - fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 129 + fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> 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:140:131
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 - fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 140 + fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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:149:123
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 - fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stdout] 149 + fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> 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:161:54
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn load_connections() -> Result<Vec<Connection>, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 161 - fn load_connections() -> Result<Vec<Connection>, Box<Error>> {
[INFO] [stdout] 161 + fn load_connections() -> Result<Vec<Connection>, 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:176:75
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn store_connections(connections: &mut Vec<Connection>) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 176 - fn store_connections(connections: &mut Vec<Connection>) -> Result<(), Box<Error>>{
[INFO] [stdout] 176 + fn store_connections(connections: &mut Vec<Connection>) -> 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:200:75
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 200 - fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, Box<Error>> {
[INFO] [stdout] 200 + fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, 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:226:29
[INFO] [stdout]     |
[INFO] [stdout] 226 | 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 - fn main() -> Result<(), Box<Error>> {
[INFO] [stdout] 226 + fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:192:52
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   why.description())
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "6d8af76227d69d9e505234f8976b3545c329fa7f7267b1652535768bb7df1d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8af76227d69d9e505234f8976b3545c329fa7f7267b1652535768bb7df1d12", kill_on_drop: false }`
[INFO] [stdout] 6d8af76227d69d9e505234f8976b3545c329fa7f7267b1652535768bb7df1d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97172722d9743b68c8906415938573abec1076d4a493d9eee2ce8874ca1fb2a1
[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" "97172722d9743b68c8906415938573abec1076d4a493d9eee2ce8874ca1fb2a1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:50
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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] 51 - fn connect_all(seq: &seq::Seq) -> Result<(), Box<Error>>{
[INFO] [stderr] 51 + fn connect_all(seq: &seq::Seq) -> Result<(), Box<dyn Error>>{
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:81:44
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn setup_alsaseq() -> Result<seq::Seq, Box<Error>>{
[INFO] [stderr]    |                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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] 81 - fn setup_alsaseq() -> Result<seq::Seq, Box<Error>>{
[INFO] [stderr] 81 + fn setup_alsaseq() -> Result<seq::Seq, Box<dyn Error>>{
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:103:84
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 103 - fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> Result<(), Box<Error>> {
[INFO] [stderr] 103 + fn connect(seq: &seq::Seq, sender: &seq::Addr, dest: &seq::Addr) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:75
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, Box<Error>>{
[INFO] [stderr]     |                                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 113 - fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, Box<Error>>{
[INFO] [stderr] 113 + fn get_port_name(seq: &seq::Seq, source: seq::Addr) -> Result<String, Box<dyn Error>>{
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:129:107
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 129 - fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr] 129 + fn connect_by_name(seq: &seq::Seq, conn: &Connection, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<dyn Error>>{
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:140:131
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 140 - fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr] 140 + fn try_connections(seq: &seq::Seq, port: &str, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<dyn Error>>{
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:149:123
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 149 - fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<Error>>{
[INFO] [stderr] 149 + fn try_all_connections(seq: &seq::Seq, connections: &Vec<Connection>, ids: &HashMap<String, seq::Addr>) -> Result<(), Box<dyn Error>>{
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:161:54
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn load_connections() -> Result<Vec<Connection>, Box<Error>> {
[INFO] [stderr]     |                                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 161 - fn load_connections() -> Result<Vec<Connection>, Box<Error>> {
[INFO] [stderr] 161 + fn load_connections() -> Result<Vec<Connection>, Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:176:75
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn store_connections(connections: &mut Vec<Connection>) -> Result<(), Box<Error>>{
[INFO] [stderr]     |                                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 176 - fn store_connections(connections: &mut Vec<Connection>) -> Result<(), Box<Error>>{
[INFO] [stderr] 176 + fn store_connections(connections: &mut Vec<Connection>) -> Result<(), Box<dyn Error>>{
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:200:75
[INFO] [stderr]     |
[INFO] [stderr] 200 | fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 200 - fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, Box<Error>> {
[INFO] [stderr] 200 + fn get_port_ids(seq: &seq::Seq) -> Result<HashMap<String, seq::Addr>, Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:226:29
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 226 - fn main() -> Result<(), Box<Error>> {
[INFO] [stderr] 226 + fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:192:52
[INFO] [stderr]     |
[INFO] [stderr] 192 | ...                   why.description())
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aseqkeeper` (bin "aseqkeeper" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aseqkeeper-f98ce5205eca9984)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97172722d9743b68c8906415938573abec1076d4a493d9eee2ce8874ca1fb2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97172722d9743b68c8906415938573abec1076d4a493d9eee2ce8874ca1fb2a1", kill_on_drop: false }`
[INFO] [stdout] 97172722d9743b68c8906415938573abec1076d4a493d9eee2ce8874ca1fb2a1