[INFO] crate widget 0.0.0 is already in cache
[INFO] testing widget-0.0.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate widget 0.0.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate widget 0.0.0
[INFO] finished tweaking crates.io crate widget 0.0.0
[INFO] tweaked toml for crates.io crate widget 0.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbc5b6e06814f513b4a3462e96d03c76e75dc1140fd6c9b50bfc7cfff5d86973
[INFO] running `"docker" "start" "-a" "cbc5b6e06814f513b4a3462e96d03c76e75dc1140fd6c9b50bfc7cfff5d86973"`
[INFO] [stderr]    Compiling widget v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/split.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |                  W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/split.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |      W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "cbc5b6e06814f513b4a3462e96d03c76e75dc1140fd6c9b50bfc7cfff5d86973"`
[INFO] running `"docker" "rm" "-f" "cbc5b6e06814f513b4a3462e96d03c76e75dc1140fd6c9b50bfc7cfff5d86973"`
[INFO] [stdout] cbc5b6e06814f513b4a3462e96d03c76e75dc1140fd6c9b50bfc7cfff5d86973
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b219684054690087506a8381b02fb3000872886d2bf7da6c82ea9b1826ea6e2
[INFO] running `"docker" "start" "-a" "3b219684054690087506a8381b02fb3000872886d2bf7da6c82ea9b1826ea6e2"`
[INFO] [stderr]    Compiling widget v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/split.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |                  W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/split.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |      W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/split.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |                  W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/split.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |      W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "3b219684054690087506a8381b02fb3000872886d2bf7da6c82ea9b1826ea6e2"`
[INFO] running `"docker" "rm" "-f" "3b219684054690087506a8381b02fb3000872886d2bf7da6c82ea9b1826ea6e2"`
[INFO] [stdout] 3b219684054690087506a8381b02fb3000872886d2bf7da6c82ea9b1826ea6e2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 079a8817a49dbffc62baa939b5fec7f569a294e0cf841a524e0e39d9d57fd1de
[INFO] running `"docker" "start" "-a" "079a8817a49dbffc62baa939b5fec7f569a294e0cf841a524e0e39d9d57fd1de"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/split.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |                  W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/split.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |      W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/split.rs:7:39
[INFO] [stderr]   |
[INFO] [stderr] 7 |                  W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/split.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |      W: DerefMut<Target = Widget<Ev, Surface, Output = A>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Widget<Ev, Surface, Output = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/widget-6c396110e2317d32
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests widget
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "079a8817a49dbffc62baa939b5fec7f569a294e0cf841a524e0e39d9d57fd1de"`
[INFO] running `"docker" "rm" "-f" "079a8817a49dbffc62baa939b5fec7f569a294e0cf841a524e0e39d9d57fd1de"`
[INFO] [stdout] 079a8817a49dbffc62baa939b5fec7f569a294e0cf841a524e0e39d9d57fd1de