[INFO] cloning repository https://github.com/mmannes/file-watcher-sftp-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmannes/file-watcher-sftp-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmannes%2Ffile-watcher-sftp-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmannes%2Ffile-watcher-sftp-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57229999e9cbb32a7e3d2a70b542d36dcdd78c36
[INFO] checking mmannes/file-watcher-sftp-sync against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmannes%2Ffile-watcher-sftp-sync" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mmannes/file-watcher-sftp-sync
[INFO] finished tweaking git repo https://github.com/mmannes/file-watcher-sftp-sync
[INFO] tweaked toml for git repo https://github.com/mmannes/file-watcher-sftp-sync written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmannes/file-watcher-sftp-sync on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mmannes/file-watcher-sftp-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.77
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.2.1
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded notify v5.0.0
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded ssh2 v0.9.3
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ad038595d333d2f94a0971f04cbb203850641820eca33f785ec6c7cc7ab84f
[INFO] running `Command { std: "docker" "start" "-a" "17ad038595d333d2f94a0971f04cbb203850641820eca33f785ec6c7cc7ab84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ad038595d333d2f94a0971f04cbb203850641820eca33f785ec6c7cc7ab84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ad038595d333d2f94a0971f04cbb203850641820eca33f785ec6c7cc7ab84f", kill_on_drop: false }`
[INFO] [stdout] 17ad038595d333d2f94a0971f04cbb203850641820eca33f785ec6c7cc7ab84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61ac750467638d4bc8b2c9104c3bc73a1b105cc918360e4301f6dffb4f5c967
[INFO] running `Command { std: "docker" "start" "-a" "a61ac750467638d4bc8b2c9104c3bc73a1b105cc918360e4301f6dffb4f5c967", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking filetime v0.2.18
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.77
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking notify v5.0.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.2.1
[INFO] [stderr]     Checking ssh2 v0.9.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking file-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn send_or_remove_file(config: &config::Config, mut sess: Session, file: &Path) -> Result<Session, &'static str> {
[INFO] [stdout]    |                                                 ----^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:53
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn remove_file_from_remote(config: &config::Config, mut sess: Session, file: &Path) -> Result<Session, &'static str> {
[INFO] [stdout]    |                                                     ----^^^^
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn send_or_remove_file(config: &config::Config, mut sess: Session, file: &Path) -> Result<Session, &'static str> {
[INFO] [stdout]    |                                                 ----^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:53
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn remove_file_from_remote(config: &config::Config, mut sess: Session, file: &Path) -> Result<Session, &'static str> {
[INFO] [stdout]    |                                                     ----^^^^
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let relative_dir_to_run_test = relative_dir.clone();
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 73 -     let relative_dir_to_run_test = relative_dir.clone();
[INFO] [stdout] 73 +     let relative_dir_to_run_test = relative_dir;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:308:18
[INFO] [stdout]     |
[INFO] [stdout] 308 |         for e in events { 
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for e in events { 
[INFO] [stdout] 308 +         while let Ok(e) = events { 
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for e in events { 
[INFO] [stdout] 308 +         if let Ok(e) = events { 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let relative_dir_to_run_test = relative_dir.clone();
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 73 -     let relative_dir_to_run_test = relative_dir.clone();
[INFO] [stdout] 73 +     let relative_dir_to_run_test = relative_dir;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:308:18
[INFO] [stdout]     |
[INFO] [stdout] 308 |         for e in events { 
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for e in events { 
[INFO] [stdout] 308 +         while let Ok(e) = events { 
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 308 -         for e in events { 
[INFO] [stdout] 308 +         if let Ok(e) = events { 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.17s
[INFO] running `Command { std: "docker" "inspect" "a61ac750467638d4bc8b2c9104c3bc73a1b105cc918360e4301f6dffb4f5c967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61ac750467638d4bc8b2c9104c3bc73a1b105cc918360e4301f6dffb4f5c967", kill_on_drop: false }`
[INFO] [stdout] a61ac750467638d4bc8b2c9104c3bc73a1b105cc918360e4301f6dffb4f5c967
