[INFO] fetching crate runloop 0.1.0...
[INFO] testing runloop-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate runloop 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate runloop 0.1.0 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 runloop 0.1.0
[INFO] finished tweaking crates.io crate runloop 0.1.0
[INFO] tweaked toml for crates.io crate runloop 0.1.0 written to /workspace/builds/worker-15/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] 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] a81437a009c42b0c9e2af19e0dd92041321ced6959754ba493088adf0715cf26
[INFO] running `Command { std: "docker" "start" "-a" "a81437a009c42b0c9e2af19e0dd92041321ced6959754ba493088adf0715cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a81437a009c42b0c9e2af19e0dd92041321ced6959754ba493088adf0715cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81437a009c42b0c9e2af19e0dd92041321ced6959754ba493088adf0715cf26", kill_on_drop: false }`
[INFO] [stdout] a81437a009c42b0c9e2af19e0dd92041321ced6959754ba493088adf0715cf26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4908640b72d041d25b5ba56f40475471e77cda225aa926b421d9094ef63b3ec2
[INFO] running `Command { std: "docker" "start" "-a" "4908640b72d041d25b5ba56f40475471e77cda225aa926b421d9094ef63b3ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling runloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 32 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 40 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4908640b72d041d25b5ba56f40475471e77cda225aa926b421d9094ef63b3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4908640b72d041d25b5ba56f40475471e77cda225aa926b421d9094ef63b3ec2", kill_on_drop: false }`
[INFO] [stdout] 4908640b72d041d25b5ba56f40475471e77cda225aa926b421d9094ef63b3ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c63cf9643061508e456198e92a3cf468d2494a64133fd968635c26fa40d5a159
[INFO] running `Command { std: "docker" "start" "-a" "c63cf9643061508e456198e92a3cf468d2494a64133fd968635c26fa40d5a159", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 32 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling runloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 40 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 32 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stdout] 40 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "c63cf9643061508e456198e92a3cf468d2494a64133fd968635c26fa40d5a159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63cf9643061508e456198e92a3cf468d2494a64133fd968635c26fa40d5a159", kill_on_drop: false }`
[INFO] [stdout] c63cf9643061508e456198e92a3cf468d2494a64133fd968635c26fa40d5a159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 5c42ed2c41d4adae41290984c462c0e05cac0d06e58dbc1c42184f5d474e75ad
[INFO] running `Command { std: "docker" "start" "-a" "5c42ed2c41d4adae41290984c462c0e05cac0d06e58dbc1c42184f5d474e75ad", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stderr] 32 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 -         F: FnOnce(&Fn() -> bool) -> T,
[INFO] [stderr] 40 +         F: FnOnce(&dyn Fn() -> bool) -> T,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `runloop` (lib) generated 2 warnings
[INFO] [stderr] warning: `runloop` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/runloop-891abfe2b48dbd83)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_cancel_early ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_channel ... ok
[INFO] [stdout] test tests::test_cancel_endless_loop ... ok
[INFO] [stdout] test tests::test_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests runloop
[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" "5c42ed2c41d4adae41290984c462c0e05cac0d06e58dbc1c42184f5d474e75ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c42ed2c41d4adae41290984c462c0e05cac0d06e58dbc1c42184f5d474e75ad", kill_on_drop: false }`
[INFO] [stdout] 5c42ed2c41d4adae41290984c462c0e05cac0d06e58dbc1c42184f5d474e75ad