[INFO] fetching crate plumbum 0.0.8...
[INFO] checking plumbum-0.0.8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate plumbum 0.0.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate plumbum 0.0.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20766d5e3b17dd78d7a183187a8fd74d40651f8a1efe5b9830fae0ee73fd0201
[INFO] running `Command { std: "docker" "start" "-a" "20766d5e3b17dd78d7a183187a8fd74d40651f8a1efe5b9830fae0ee73fd0201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20766d5e3b17dd78d7a183187a8fd74d40651f8a1efe5b9830fae0ee73fd0201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20766d5e3b17dd78d7a183187a8fd74d40651f8a1efe5b9830fae0ee73fd0201", kill_on_drop: false }`
[INFO] [stdout] 20766d5e3b17dd78d7a183187a8fd74d40651f8a1efe5b9830fae0ee73fd0201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e543b904b5f6d060599b505ed3db2458d5c8b5e8f2c1416129e147016775226
[INFO] running `Command { std: "docker" "start" "-a" "5e543b904b5f6d060599b505ed3db2458d5c8b5e8f2c1416129e147016775226", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(A) -> Option<B> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[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]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(A) -> Option<B> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/lib.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | /     fn extend<T: IntoIterator<Item=O>>(&mut self, iterator: T)
[INFO] [stdout] 266 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 267 | |         let mut other = replace(self, ().into()).extend_iter(iterator.into_iter());
[INFO] [stdout] 268 | |         swap(self, &mut other);
[INFO] [stdout] 269 | |     }
[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:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | /     fn extend<T: IntoIterator<Item=O>>(&mut self, iterator: T)
[INFO] [stdout] 266 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 267 | |         let mut other = replace(self, ().into()).extend_iter(iterator.into_iter());
[INFO] [stdout] 268 | |         swap(self, &mut other);
[INFO] [stdout] 269 | |     }
[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:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 | /     fn from_iter<T: IntoIterator<Item=O>>(iterator: T) -> Self
[INFO] [stdout] 274 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 275 | |         ConduitM::extend_iter(().into(), iterator.into_iter())
[INFO] [stdout] 276 | |     }
[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:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 | /     fn from_iter<T: IntoIterator<Item=O>>(iterator: T) -> Self
[INFO] [stdout] 274 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 275 | |         ConduitM::extend_iter(().into(), iterator.into_iter())
[INFO] [stdout] 276 | |     }
[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:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | /     fn extend<T: IntoIterator<Item=O>>(&mut self, iterator: T)
[INFO] [stdout] 266 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 267 | |         let mut other = replace(self, ().into()).extend_iter(iterator.into_iter());
[INFO] [stdout] 268 | |         swap(self, &mut other);
[INFO] [stdout] 269 | |     }
[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:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 | /     fn extend<T: IntoIterator<Item=O>>(&mut self, iterator: T)
[INFO] [stdout] 266 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 267 | |         let mut other = replace(self, ().into()).extend_iter(iterator.into_iter());
[INFO] [stdout] 268 | |         swap(self, &mut other);
[INFO] [stdout] 269 | |     }
[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:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 | /     fn from_iter<T: IntoIterator<Item=O>>(iterator: T) -> Self
[INFO] [stdout] 274 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 275 | |         ConduitM::extend_iter(().into(), iterator.into_iter())
[INFO] [stdout] 276 | |     }
[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:273:5
[INFO] [stdout]     |
[INFO] [stdout] 273 | /     fn from_iter<T: IntoIterator<Item=O>>(iterator: T) -> Self
[INFO] [stdout] 274 | |         where I: 'a, T::IntoIter: 'a {
[INFO] [stdout] 275 | |         ConduitM::extend_iter(().into(), iterator.into_iter())
[INFO] [stdout] 276 | |     }
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "5e543b904b5f6d060599b505ed3db2458d5c8b5e8f2c1416129e147016775226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e543b904b5f6d060599b505ed3db2458d5c8b5e8f2c1416129e147016775226", kill_on_drop: false }`
[INFO] [stdout] 5e543b904b5f6d060599b505ed3db2458d5c8b5e8f2c1416129e147016775226
