[INFO] cloning repository https://github.com/Baiyuetribe/safe_cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baiyuetribe/safe_cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiyuetribe%2Fsafe_cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiyuetribe%2Fsafe_cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5160c504718bd86d1c616d1b67e56e439a9e58b4
[INFO] checking Baiyuetribe/safe_cache against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiyuetribe%2Fsafe_cache" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baiyuetribe/safe_cache on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baiyuetribe/safe_cache
[INFO] finished tweaking git repo https://github.com/Baiyuetribe/safe_cache
[INFO] tweaked toml for git repo https://github.com/Baiyuetribe/safe_cache written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Baiyuetribe/safe_cache 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4b22a88c1306e5efcce31ae7d9efbc41af72dd84b7bacc054f418a0224ffe1d
[INFO] running `Command { std: "docker" "start" "-a" "e4b22a88c1306e5efcce31ae7d9efbc41af72dd84b7bacc054f418a0224ffe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4b22a88c1306e5efcce31ae7d9efbc41af72dd84b7bacc054f418a0224ffe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b22a88c1306e5efcce31ae7d9efbc41af72dd84b7bacc054f418a0224ffe1d", kill_on_drop: false }`
[INFO] [stdout] e4b22a88c1306e5efcce31ae7d9efbc41af72dd84b7bacc054f418a0224ffe1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe1487de95820795a8b822d710caa787fc8f04080c395a5495bf928aba7d310
[INFO] running `Command { std: "docker" "start" "-a" "5fe1487de95820795a8b822d710caa787fc8f04080c395a5495bf928aba7d310", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_cache` is never used
[INFO] [stdout]   --> src/lib.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | async fn test_cache() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cache_rwlock` is never used
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 | async fn test_cache_rwlock() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "5fe1487de95820795a8b822d710caa787fc8f04080c395a5495bf928aba7d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe1487de95820795a8b822d710caa787fc8f04080c395a5495bf928aba7d310", kill_on_drop: false }`
[INFO] [stdout] 5fe1487de95820795a8b822d710caa787fc8f04080c395a5495bf928aba7d310
[INFO] checking Baiyuetribe/safe_cache against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaiyuetribe%2Fsafe_cache" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baiyuetribe/safe_cache on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baiyuetribe/safe_cache
[INFO] finished tweaking git repo https://github.com/Baiyuetribe/safe_cache
[INFO] tweaked toml for git repo https://github.com/Baiyuetribe/safe_cache written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Baiyuetribe/safe_cache 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b023821db67536aa87a67bbf24bc669a4ca3d0633452e800ca8cece364a2c9a
[INFO] running `Command { std: "docker" "start" "-a" "1b023821db67536aa87a67bbf24bc669a4ca3d0633452e800ca8cece364a2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b023821db67536aa87a67bbf24bc669a4ca3d0633452e800ca8cece364a2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b023821db67536aa87a67bbf24bc669a4ca3d0633452e800ca8cece364a2c9a", kill_on_drop: false }`
[INFO] [stdout] 1b023821db67536aa87a67bbf24bc669a4ca3d0633452e800ca8cece364a2c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc716cd6ca88f01a098ef17ec81a16ad8b37f8ea755542d15e11c95b83ee4a1
[INFO] running `Command { std: "docker" "start" "-a" "bfc716cd6ca88f01a098ef17ec81a16ad8b37f8ea755542d15e11c95b83ee4a1", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_cache` is never used
[INFO] [stdout]   --> src/lib.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | async fn test_cache() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cache_rwlock` is never used
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 | async fn test_cache_rwlock() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "bfc716cd6ca88f01a098ef17ec81a16ad8b37f8ea755542d15e11c95b83ee4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc716cd6ca88f01a098ef17ec81a16ad8b37f8ea755542d15e11c95b83ee4a1", kill_on_drop: false }`
[INFO] [stdout] bfc716cd6ca88f01a098ef17ec81a16ad8b37f8ea755542d15e11c95b83ee4a1