[INFO] fetching crate plumbum 0.0.8...
[INFO] checking plumbum-0.0.8 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate plumbum 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate plumbum 0.0.8 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e188544fb21094403b858715e79b8570a0f55af094788e473654105d6f1598
[INFO] running `Command { std: "docker" "start" "-a" "55e188544fb21094403b858715e79b8570a0f55af094788e473654105d6f1598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e188544fb21094403b858715e79b8570a0f55af094788e473654105d6f1598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e188544fb21094403b858715e79b8570a0f55af094788e473654105d6f1598", kill_on_drop: false }`
[INFO] [stdout] 55e188544fb21094403b858715e79b8570a0f55af094788e473654105d6f1598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1198d3eb39835c82e78437be63ebef3209d5e5d2de1a4b476867a440a02dc27
[INFO] running `Command { std: "docker" "start" "-a" "d1198d3eb39835c82e78437be63ebef3209d5e5d2de1a4b476867a440a02dc27", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking plumbum v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pipe::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use pipe::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuse::*`
[INFO] [stdout]    --> src/lib.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub use fuse::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pipe::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use pipe::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fuse::*`
[INFO] [stdout]    --> src/lib.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub use fuse::*;
[INFO] [stdout]     |         ^^^^^^^
[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]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct FnTake<'a, A, B>(Box<dyn FnMut(A) -> Option<B> + 'a>);
[INFO] [stdout]   |                             +++
[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]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[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:266:18
[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: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:274:18
[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[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; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0276`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings 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` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `plumbum` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d1198d3eb39835c82e78437be63ebef3209d5e5d2de1a4b476867a440a02dc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1198d3eb39835c82e78437be63ebef3209d5e5d2de1a4b476867a440a02dc27", kill_on_drop: false }`
[INFO] [stdout] d1198d3eb39835c82e78437be63ebef3209d5e5d2de1a4b476867a440a02dc27