[INFO] updating cached repository https://github.com/knuckerr/sftp_with_rust
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7181b46399c4c605606fdce763f1f63de1e4e6a
[INFO] testing knuckerr/sftp_with_rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knuckerr/sftp_with_rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/knuckerr/sftp_with_rust
[INFO] finished tweaking git repo https://github.com/knuckerr/sftp_with_rust
[INFO] tweaked toml for git repo https://github.com/knuckerr/sftp_with_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/knuckerr/sftp_with_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a471cf89e8688399d00f676dd93cfcc3524be3570be576fc47d1f3efe840192e
[INFO] running `"docker" "start" "-a" "a471cf89e8688399d00f676dd93cfcc3524be3570be576fc47d1f3efe840192e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify v4.0.6
[INFO] [stderr]    Compiling console v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling indicatif v0.10.3
[INFO] [stderr]    Compiling ssh2 v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling my_sftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mirror.rs:45:89
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn notify(sess: Rc<Session>, path_original: &str, server: Server) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/mirror.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 | ) -> Result<Vec<Modified>, Box<Error>> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:221:90
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub fn clean_old_files(sess: Rc<Session>, server: Server, path1: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:315:92
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn fix_version_path(sess: Rc<Session>, project: &str, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:336:21
[INFO] [stderr]     |
[INFO] [stderr] 336 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new() -> Result<Servers, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:48:85
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn create_backup(&self, sess: Rc<Session>, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:74:70
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn list_versions(&self, sess: Rc<Session>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn revision(&self, sess: Rc<Session>, revision_version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:55
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn create_ssh(arguments: Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `"docker" "inspect" "a471cf89e8688399d00f676dd93cfcc3524be3570be576fc47d1f3efe840192e"`
[INFO] running `"docker" "rm" "-f" "a471cf89e8688399d00f676dd93cfcc3524be3570be576fc47d1f3efe840192e"`
[INFO] [stdout] a471cf89e8688399d00f676dd93cfcc3524be3570be576fc47d1f3efe840192e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e39a81ddd493b6d480dc07d3e40b436350a880ec152de1be9a7af3c5083fc0d
[INFO] running `"docker" "start" "-a" "8e39a81ddd493b6d480dc07d3e40b436350a880ec152de1be9a7af3c5083fc0d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling my_sftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mirror.rs:45:89
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn notify(sess: Rc<Session>, path_original: &str, server: Server) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/mirror.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 | ) -> Result<Vec<Modified>, Box<Error>> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:221:90
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub fn clean_old_files(sess: Rc<Session>, server: Server, path1: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:315:92
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn fix_version_path(sess: Rc<Session>, project: &str, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:336:21
[INFO] [stderr]     |
[INFO] [stderr] 336 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new() -> Result<Servers, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:48:85
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn create_backup(&self, sess: Rc<Session>, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:74:70
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn list_versions(&self, sess: Rc<Session>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn revision(&self, sess: Rc<Session>, revision_version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:55
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn create_ssh(arguments: Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "8e39a81ddd493b6d480dc07d3e40b436350a880ec152de1be9a7af3c5083fc0d"`
[INFO] running `"docker" "rm" "-f" "8e39a81ddd493b6d480dc07d3e40b436350a880ec152de1be9a7af3c5083fc0d"`
[INFO] [stdout] 8e39a81ddd493b6d480dc07d3e40b436350a880ec152de1be9a7af3c5083fc0d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 695a18c423f8b98ba6d2f03b5c06796af6951345e1a7a44e06d443e53aa50b87
[INFO] running `"docker" "start" "-a" "695a18c423f8b98ba6d2f03b5c06796af6951345e1a7a44e06d443e53aa50b87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mirror.rs:45:89
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn notify(sess: Rc<Session>, path_original: &str, server: Server) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[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/mirror.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 | ) -> Result<Vec<Modified>, Box<Error>> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:221:90
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub fn clean_old_files(sess: Rc<Session>, server: Server, path1: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:315:92
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn fix_version_path(sess: Rc<Session>, project: &str, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mirror.rs:336:21
[INFO] [stderr]     |
[INFO] [stderr] 336 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new() -> Result<Servers, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:48:85
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn create_backup(&self, sess: Rc<Session>, version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:74:70
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn list_versions(&self, sess: Rc<Session>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn revision(&self, sess: Rc<Session>, revision_version: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:55
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn create_ssh(arguments: Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/my_sftp-bfe7b1beac822163
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "695a18c423f8b98ba6d2f03b5c06796af6951345e1a7a44e06d443e53aa50b87"`
[INFO] running `"docker" "rm" "-f" "695a18c423f8b98ba6d2f03b5c06796af6951345e1a7a44e06d443e53aa50b87"`
[INFO] [stdout] 695a18c423f8b98ba6d2f03b5c06796af6951345e1a7a44e06d443e53aa50b87