[INFO] fetching crate plumbum 0.0.8...
[INFO] testing plumbum-0.0.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate plumbum 0.0.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate plumbum 0.0.8 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 crates.io crate plumbum 0.0.8
[INFO] finished tweaking crates.io crate plumbum 0.0.8
[INFO] tweaked toml for crates.io crate plumbum 0.0.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 865593efcdbaf2b161a1d3400de894f81356cf3ad2abb9c20f0336033b5dc0b9
[INFO] running `Command { std: "docker" "start" "-a" "865593efcdbaf2b161a1d3400de894f81356cf3ad2abb9c20f0336033b5dc0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "865593efcdbaf2b161a1d3400de894f81356cf3ad2abb9c20f0336033b5dc0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865593efcdbaf2b161a1d3400de894f81356cf3ad2abb9c20f0336033b5dc0b9", kill_on_drop: false }`
[INFO] [stdout] 865593efcdbaf2b161a1d3400de894f81356cf3ad2abb9c20f0336033b5dc0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79a08168c7c82ab465bdee89cc1ce320a504975100357dafab0d105e3873b866
[INFO] running `Command { std: "docker" "start" "-a" "79a08168c7c82ab465bdee89cc1ce320a504975100357dafab0d105e3873b866", kill_on_drop: false }`
[INFO] [stderr]    Compiling plumbum v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/kleisli.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct FnTake<'a, A, B>(Box<FnMut(A) -> Option<B> + 'a>);
[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] 7 - struct FnTake<'a, A, B>(Box<FnMut(A) -> Option<B> + 'a>);
[INFO] [stdout] 7 + struct FnTake<'a, A, B>(Box<dyn FnMut(A) -> Option<B> + 'a>);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/lib.rs:266:18
[INFO] [stdout]     |
[INFO] [stdout] 266 |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout]     |                  ^^ impl has extra requirement `I: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/lib.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout]     |                                   ^^ impl has extra requirement `<T as IntoIterator>::IntoIter: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/lib.rs:274:18
[INFO] [stdout]     |
[INFO] [stdout] 274 |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout]     |                  ^^ impl has extra requirement `I: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/lib.rs:274:35
[INFO] [stdout]     |
[INFO] [stdout] 274 |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout]     |                                   ^^ impl has extra requirement `<T as IntoIterator>::IntoIter: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0276`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plumbum` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "79a08168c7c82ab465bdee89cc1ce320a504975100357dafab0d105e3873b866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a08168c7c82ab465bdee89cc1ce320a504975100357dafab0d105e3873b866", kill_on_drop: false }`
[INFO] [stdout] 79a08168c7c82ab465bdee89cc1ce320a504975100357dafab0d105e3873b866