[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 try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVenats%2Ffile_sync" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Venats/file_sync on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6376e4723db32332af960b76d6c4d8a85a5279a997df7fe6b9cab20ae4b692
[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" "5d6376e4723db32332af960b76d6c4d8a85a5279a997df7fe6b9cab20ae4b692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6376e4723db32332af960b76d6c4d8a85a5279a997df7fe6b9cab20ae4b692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6376e4723db32332af960b76d6c4d8a85a5279a997df7fe6b9cab20ae4b692", kill_on_drop: false }`
[INFO] [stdout] 5d6376e4723db32332af960b76d6c4d8a85a5279a997df7fe6b9cab20ae4b692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44154b3f9c489f73324b29fee4e82e0c4ac77f7fd73f2cbc7714f915838c3436
[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" "44154b3f9c489f73324b29fee4e82e0c4ac77f7fd73f2cbc7714f915838c3436", 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 1.27s
[INFO] running `Command { std: "docker" "inspect" "44154b3f9c489f73324b29fee4e82e0c4ac77f7fd73f2cbc7714f915838c3436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44154b3f9c489f73324b29fee4e82e0c4ac77f7fd73f2cbc7714f915838c3436", kill_on_drop: false }`
[INFO] [stdout] 44154b3f9c489f73324b29fee4e82e0c4ac77f7fd73f2cbc7714f915838c3436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385b00fe4ff92d95032df18c3596d6a3a1baea5aa1cd3b5d3b2f9d6bb1a16ecc
[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" "385b00fe4ff92d95032df18c3596d6a3a1baea5aa1cd3b5d3b2f9d6bb1a16ecc", 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 test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "385b00fe4ff92d95032df18c3596d6a3a1baea5aa1cd3b5d3b2f9d6bb1a16ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385b00fe4ff92d95032df18c3596d6a3a1baea5aa1cd3b5d3b2f9d6bb1a16ecc", kill_on_drop: false }`
[INFO] [stdout] 385b00fe4ff92d95032df18c3596d6a3a1baea5aa1cd3b5d3b2f9d6bb1a16ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 294876eaa14803195bb70c4ffb69afd4c485e07fedfd88c70c3202c3ae6758c7
[INFO] running `Command { std: "docker" "start" "-a" "294876eaa14803195bb70c4ffb69afd4c485e07fedfd88c70c3202c3ae6758c7", 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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_sync-868a70b8013a88cf
[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 `Command { std: "docker" "inspect" "294876eaa14803195bb70c4ffb69afd4c485e07fedfd88c70c3202c3ae6758c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294876eaa14803195bb70c4ffb69afd4c485e07fedfd88c70c3202c3ae6758c7", kill_on_drop: false }`
[INFO] [stdout] 294876eaa14803195bb70c4ffb69afd4c485e07fedfd88c70c3202c3ae6758c7