[INFO] cloning repository https://github.com/debruinf/rewind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/debruinf/rewind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebruinf%2Frewind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebruinf%2Frewind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0e7551a1d0cf2280cb3deb80ff2063a1214d3cd
[INFO] testing debruinf/rewind against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebruinf%2Frewind" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/debruinf/rewind on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/debruinf/rewind
[INFO] finished tweaking git repo https://github.com/debruinf/rewind
[INFO] tweaked toml for git repo https://github.com/debruinf/rewind written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/debruinf/rewind already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272f083f863b248e3e6f607aac482c6abae87c26b08a1f3ec4a131f82617024a
[INFO] running `Command { std: "docker" "start" "-a" "272f083f863b248e3e6f607aac482c6abae87c26b08a1f3ec4a131f82617024a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272f083f863b248e3e6f607aac482c6abae87c26b08a1f3ec4a131f82617024a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272f083f863b248e3e6f607aac482c6abae87c26b08a1f3ec4a131f82617024a", kill_on_drop: false }`
[INFO] [stdout] 272f083f863b248e3e6f607aac482c6abae87c26b08a1f3ec4a131f82617024a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ef0a787f9c228beba480510e03dcbb151aca3d8eb74c23c2d7828f91909e6d
[INFO] running `Command { std: "docker" "start" "-a" "30ef0a787f9c228beba480510e03dcbb151aca3d8eb74c23c2d7828f91909e6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rewind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn collect_files_paths(time: Duration) {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_be_deleted_files`
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let to_be_deleted_files = collect_files_paths(config.time);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_be_deleted_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_mod_time`
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn get_mod_time() -> Duration {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_file_times`
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn print_file_times() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_stuff`
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn remove_stuff(path: &Path, time: Duration, force: bool) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "30ef0a787f9c228beba480510e03dcbb151aca3d8eb74c23c2d7828f91909e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ef0a787f9c228beba480510e03dcbb151aca3d8eb74c23c2d7828f91909e6d", kill_on_drop: false }`
[INFO] [stdout] 30ef0a787f9c228beba480510e03dcbb151aca3d8eb74c23c2d7828f91909e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9f5ab78a4517b6c5643bf3b4253594e607d54c9dcb2b4a67a9f531bda02714
[INFO] running `Command { std: "docker" "start" "-a" "2a9f5ab78a4517b6c5643bf3b4253594e607d54c9dcb2b4a67a9f531bda02714", kill_on_drop: false }`
[INFO] [stderr]    Compiling rewind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn collect_files_paths(time: Duration) {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_be_deleted_files`
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let to_be_deleted_files = collect_files_paths(config.time);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_be_deleted_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_mod_time`
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn get_mod_time() -> Duration {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_file_times`
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn print_file_times() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_stuff`
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn remove_stuff(path: &Path, time: Duration, force: bool) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2a9f5ab78a4517b6c5643bf3b4253594e607d54c9dcb2b4a67a9f531bda02714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9f5ab78a4517b6c5643bf3b4253594e607d54c9dcb2b4a67a9f531bda02714", kill_on_drop: false }`
[INFO] [stdout] 2a9f5ab78a4517b6c5643bf3b4253594e607d54c9dcb2b4a67a9f531bda02714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88f14de73d79f4a09c88bf074f88cce652a3d2015e4bfb9bf18d5a62953d5815
[INFO] running `Command { std: "docker" "start" "-a" "88f14de73d79f4a09c88bf074f88cce652a3d2015e4bfb9bf18d5a62953d5815", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/main.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn collect_files_paths(time: Duration) {
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to_be_deleted_files`
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let to_be_deleted_files = collect_files_paths(config.time);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_be_deleted_files`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_mod_time`
[INFO] [stderr]    --> src/main.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn get_mod_time() -> Duration {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_file_times`
[INFO] [stderr]    --> src/main.rs:142:4
[INFO] [stderr]     |
[INFO] [stderr] 142 | fn print_file_times() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_stuff`
[INFO] [stderr]    --> src/main.rs:184:4
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn remove_stuff(path: &Path, time: Duration, force: bool) -> i64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rewind` (bin "rewind" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rewind-c7d747be4857f28d)
[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" "88f14de73d79f4a09c88bf074f88cce652a3d2015e4bfb9bf18d5a62953d5815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f14de73d79f4a09c88bf074f88cce652a3d2015e4bfb9bf18d5a62953d5815", kill_on_drop: false }`
[INFO] [stdout] 88f14de73d79f4a09c88bf074f88cce652a3d2015e4bfb9bf18d5a62953d5815