[INFO] fetching crate tinybox 0.2.0...
[INFO] testing tinybox-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tinybox 0.2.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate tinybox 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinybox 0.2.0
[INFO] finished tweaking crates.io crate tinybox 0.2.0
[INFO] tweaked toml for crates.io crate tinybox 0.2.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 768352536e77eb432ed5029f5e8a5c9486d8c4536569cef912bc343c1e664f22
[INFO] running `Command { std: "docker" "start" "-a" "768352536e77eb432ed5029f5e8a5c9486d8c4536569cef912bc343c1e664f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768352536e77eb432ed5029f5e8a5c9486d8c4536569cef912bc343c1e664f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768352536e77eb432ed5029f5e8a5c9486d8c4536569cef912bc343c1e664f22", kill_on_drop: false }`
[INFO] [stdout] 768352536e77eb432ed5029f5e8a5c9486d8c4536569cef912bc343c1e664f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd24bc0db1b0e835eac7dd0e1bcc25e14bb35a7ca8ada5bf1d818eeaef4a9ef
[INFO] running `Command { std: "docker" "start" "-a" "5fd24bc0db1b0e835eac7dd0e1bcc25e14bb35a7ca8ada5bf1d818eeaef4a9ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tinybox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/lib.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn poll(mut self: pin::Pin<&mut Self>, cx: &mut task::Context<'_>) -> task::Poll<Self::Output> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 338 |         self.as_mut().poll(cx)
[INFO] [stdout]     |         ---------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "5fd24bc0db1b0e835eac7dd0e1bcc25e14bb35a7ca8ada5bf1d818eeaef4a9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd24bc0db1b0e835eac7dd0e1bcc25e14bb35a7ca8ada5bf1d818eeaef4a9ef", kill_on_drop: false }`
[INFO] [stdout] 5fd24bc0db1b0e835eac7dd0e1bcc25e14bb35a7ca8ada5bf1d818eeaef4a9ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc6a88c7854236e9f5b919b351ccc0cacefd23806d0563fadc89da764aa05db
[INFO] running `Command { std: "docker" "start" "-a" "9cc6a88c7854236e9f5b919b351ccc0cacefd23806d0563fadc89da764aa05db", kill_on_drop: false }`
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/lib.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn poll(mut self: pin::Pin<&mut Self>, cx: &mut task::Context<'_>) -> task::Poll<Self::Output> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 338 |         self.as_mut().poll(cx)
[INFO] [stdout]     |         ---------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinybox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/lib.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn poll(mut self: pin::Pin<&mut Self>, cx: &mut task::Context<'_>) -> task::Poll<Self::Output> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 338 |         self.as_mut().poll(cx)
[INFO] [stdout]     |         ---------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "9cc6a88c7854236e9f5b919b351ccc0cacefd23806d0563fadc89da764aa05db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc6a88c7854236e9f5b919b351ccc0cacefd23806d0563fadc89da764aa05db", kill_on_drop: false }`
[INFO] [stdout] 9cc6a88c7854236e9f5b919b351ccc0cacefd23806d0563fadc89da764aa05db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 611685be87bcef9317bed4f31106998283c85f710d39c769c8a38c44eccc5a10
[INFO] running `Command { std: "docker" "start" "-a" "611685be87bcef9317bed4f31106998283c85f710d39c769c8a38c44eccc5a10", kill_on_drop: false }`
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/lib.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn poll(mut self: pin::Pin<&mut Self>, cx: &mut task::Context<'_>) -> task::Poll<Self::Output> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 338 |         self.as_mut().poll(cx)
[INFO] [stderr]     |         ---------------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: `tinybox` (lib) generated 1 warning
[INFO] [stderr] warning: `tinybox` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinybox-4abaf60c1c6e817a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_any ... ok
[INFO] [stdout] test tests::test_assumptions ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinybox
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "611685be87bcef9317bed4f31106998283c85f710d39c769c8a38c44eccc5a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611685be87bcef9317bed4f31106998283c85f710d39c769c8a38c44eccc5a10", kill_on_drop: false }`
[INFO] [stdout] 611685be87bcef9317bed4f31106998283c85f710d39c769c8a38c44eccc5a10