[INFO] cloning repository https://github.com/knuckerr/sftp_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knuckerr/sftp_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7181b46399c4c605606fdce763f1f63de1e4e6a
[INFO] checking knuckerr/sftp_with_rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knuckerr/sftp_with_rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d17e9376c1057b88cbfd0dde5bc3cf2e58b7e2161423d310ad32c39563ab456d
[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" "d17e9376c1057b88cbfd0dde5bc3cf2e58b7e2161423d310ad32c39563ab456d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17e9376c1057b88cbfd0dde5bc3cf2e58b7e2161423d310ad32c39563ab456d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17e9376c1057b88cbfd0dde5bc3cf2e58b7e2161423d310ad32c39563ab456d", kill_on_drop: false }`
[INFO] [stdout] d17e9376c1057b88cbfd0dde5bc3cf2e58b7e2161423d310ad32c39563ab456d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed0b0ab958ccd10ced48525af05927836f29e7bce65e9e5319bbbca741b2ffe
[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" "3ed0b0ab958ccd10ced48525af05927836f29e7bce65e9e5319bbbca741b2ffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking console v0.7.2
[INFO] [stderr]     Checking indicatif v0.10.3
[INFO] [stderr]     Checking ssh2 v0.3.3
[INFO] [stderr]     Checking my_sftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mirror.rs:45:89
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notify(sess: Rc<Session>, path_original: &str, server: Server) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 | ) -> Result<Vec<Modified>, Box<Error>> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:221:90
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub fn clean_old_files(sess: Rc<Session>, server: Server, path1: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:315:92
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn fix_version_path(sess: Rc<Session>, project: &str, version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new() -> Result<Servers, Box<Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:48:85
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn create_backup(&self, sess: Rc<Session>, version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:74:70
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn list_versions(&self, sess: Rc<Session>) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:88:89
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn revision(&self, sess: Rc<Session>, revision_version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:31:55
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn create_ssh(arguments: Arguments) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mirror.rs:45:89
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notify(sess: Rc<Session>, path_original: &str, server: Server) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 | ) -> Result<Vec<Modified>, Box<Error>> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:221:90
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub fn clean_old_files(sess: Rc<Session>, server: Server, path1: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:315:92
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn fix_version_path(sess: Rc<Session>, project: &str, version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mirror.rs:336:21
[INFO] [stdout]     |
[INFO] [stdout] 336 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new() -> Result<Servers, Box<Error>> {
[INFO] [stdout]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:48:85
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn create_backup(&self, sess: Rc<Session>, version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:74:70
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn list_versions(&self, sess: Rc<Session>) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:88:89
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn revision(&self, sess: Rc<Session>, revision_version: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:31:55
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn create_ssh(arguments: Arguments) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.21s
[INFO] running `Command { std: "docker" "inspect" "3ed0b0ab958ccd10ced48525af05927836f29e7bce65e9e5319bbbca741b2ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed0b0ab958ccd10ced48525af05927836f29e7bce65e9e5319bbbca741b2ffe", kill_on_drop: false }`
[INFO] [stdout] 3ed0b0ab958ccd10ced48525af05927836f29e7bce65e9e5319bbbca741b2ffe