[INFO] cloning repository https://github.com/Venats/file_sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Venats/file_sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenats%2Ffile_sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenats%2Ffile_sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49b590b92bdc90791f39d25d6db666fdd2114ea0
[INFO] testing Venats/file_sync against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenats%2Ffile_sync" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Venats/file_sync on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Venats/file_sync
[INFO] finished tweaking git repo https://github.com/Venats/file_sync
[INFO] tweaked toml for git repo https://github.com/Venats/file_sync written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Venats/file_sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0140dc7f1bb7641dca39be4ea2a674aaaa3d2acb79bd5358037392782cd5fe6
[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" "a0140dc7f1bb7641dca39be4ea2a674aaaa3d2acb79bd5358037392782cd5fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0140dc7f1bb7641dca39be4ea2a674aaaa3d2acb79bd5358037392782cd5fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0140dc7f1bb7641dca39be4ea2a674aaaa3d2acb79bd5358037392782cd5fe6", kill_on_drop: false }`
[INFO] [stdout] a0140dc7f1bb7641dca39be4ea2a674aaaa3d2acb79bd5358037392782cd5fe6
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85cb7bf9ace4962e0efaf20a4bb109ad5d0be8804ef536d5a240c37a2c5f2b8a
[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" "85cb7bf9ace4962e0efaf20a4bb109ad5d0be8804ef536d5a240c37a2c5f2b8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src_file`
[INFO] [stdout]   --> src/main.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_folder`
[INFO] [stdout]   --> src/main.rs:62:31
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_folder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_file`
[INFO] [stdout]   --> src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "85cb7bf9ace4962e0efaf20a4bb109ad5d0be8804ef536d5a240c37a2c5f2b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85cb7bf9ace4962e0efaf20a4bb109ad5d0be8804ef536d5a240c37a2c5f2b8a", kill_on_drop: false }`
[INFO] [stdout] 85cb7bf9ace4962e0efaf20a4bb109ad5d0be8804ef536d5a240c37a2c5f2b8a
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdc881d2d98e71874079256af7dd569b97003d1f2736f3ac4a44b780a9489e34
[INFO] running `Command { std: "docker" "start" "-a" "cdc881d2d98e71874079256af7dd569b97003d1f2736f3ac4a44b780a9489e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `src_file`
[INFO] [stdout]   --> src/main.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest_folder`
[INFO] [stdout]   --> src/main.rs:62:31
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_folder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_file`
[INFO] [stdout]   --> src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdc881d2d98e71874079256af7dd569b97003d1f2736f3ac4a44b780a9489e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc881d2d98e71874079256af7dd569b97003d1f2736f3ac4a44b780a9489e34", kill_on_drop: false }`
[INFO] [stdout] cdc881d2d98e71874079256af7dd569b97003d1f2736f3ac4a44b780a9489e34
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c181e4927a9d85ab7a8e26ec458765ccedb5cf31dec57d15a9d4ded0bf51e4e
[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" "9c181e4927a9d85ab7a8e26ec458765ccedb5cf31dec57d15a9d4ded0bf51e4e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `src_file`
[INFO] [stderr]   --> src/main.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stderr]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest_folder`
[INFO] [stderr]   --> src/main.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_folder`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy_file`
[INFO] [stderr]   --> src/main.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn copy_file(src_file: &Path, dest_folder: &Path) -> io::Result<()>
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `file_sync` (bin "file_sync" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_sync-be1a1c098a003802)
[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" "9c181e4927a9d85ab7a8e26ec458765ccedb5cf31dec57d15a9d4ded0bf51e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c181e4927a9d85ab7a8e26ec458765ccedb5cf31dec57d15a9d4ded0bf51e4e", kill_on_drop: false }`
[INFO] [stdout] 9c181e4927a9d85ab7a8e26ec458765ccedb5cf31dec57d15a9d4ded0bf51e4e