[INFO] cloning repository https://github.com/aucker/refcycle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aucker/refcycle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a9073cf58427e762911127da3d03bb09b576f5
[INFO] testing aucker/refcycle against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faucker%2Frefcycle" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aucker/refcycle on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aucker/refcycle
[INFO] finished tweaking git repo https://github.com/aucker/refcycle
[INFO] tweaked toml for git repo https://github.com/aucker/refcycle written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aucker/refcycle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 02cb8c9fb4401532febcf787fe31140034c6ac4cfbb64a98c1d7c3673a7fb3c8
[INFO] running `Command { std: "docker" "start" "-a" "02cb8c9fb4401532febcf787fe31140034c6ac4cfbb64a98c1d7c3673a7fb3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02cb8c9fb4401532febcf787fe31140034c6ac4cfbb64a98c1d7c3673a7fb3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cb8c9fb4401532febcf787fe31140034c6ac4cfbb64a98c1d7c3673a7fb3c8", kill_on_drop: false }`
[INFO] [stdout] 02cb8c9fb4401532febcf787fe31140034c6ac4cfbb64a98c1d7c3673a7fb3c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9170840ac4b0a602c9a0963befd841a97b12d189c7efd9237c8a4315c854db2
[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" "c9170840ac4b0a602c9a0963befd841a97b12d189c7efd9237c8a4315c854db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling smart_pointer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "c9170840ac4b0a602c9a0963befd841a97b12d189c7efd9237c8a4315c854db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9170840ac4b0a602c9a0963befd841a97b12d189c7efd9237c8a4315c854db2", kill_on_drop: false }`
[INFO] [stdout] c9170840ac4b0a602c9a0963befd841a97b12d189c7efd9237c8a4315c854db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 29c60389192847f26fdecbf18f316168162bb9ff2aad12ea04f6b2a1fc818332
[INFO] running `Command { std: "docker" "start" "-a" "29c60389192847f26fdecbf18f316168162bb9ff2aad12ea04f6b2a1fc818332", kill_on_drop: false }`
[INFO] [stderr]    Compiling smart_pointer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/smart_pointer-5de9539601d5606a)
[INFO] running `Command { std: "docker" "inspect" "29c60389192847f26fdecbf18f316168162bb9ff2aad12ea04f6b2a1fc818332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c60389192847f26fdecbf18f316168162bb9ff2aad12ea04f6b2a1fc818332", kill_on_drop: false }`
[INFO] [stdout] 29c60389192847f26fdecbf18f316168162bb9ff2aad12ea04f6b2a1fc818332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2db64f526a5083d951d1a52df6249e68f24a1bc1af8eb5722c63a722e3d26e98
[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" "2db64f526a5083d951d1a52df6249e68f24a1bc1af8eb5722c63a722e3d26e98", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let c = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let d = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: `smart_pointer` (bin "smart_pointer" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/smart_pointer-5de9539601d5606a)
[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" "2db64f526a5083d951d1a52df6249e68f24a1bc1af8eb5722c63a722e3d26e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db64f526a5083d951d1a52df6249e68f24a1bc1af8eb5722c63a722e3d26e98", kill_on_drop: false }`
[INFO] [stdout] 2db64f526a5083d951d1a52df6249e68f24a1bc1af8eb5722c63a722e3d26e98