[INFO] fetching crate plumbum 0.0.8... [INFO] testing plumbum-0.0.8 against 1.55.0 for beta-1.56-1 [INFO] extracting crate plumbum 0.0.8 into /workspace/builds/worker-54/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-54/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] a58ad91537b9eee667164ca9bd7322a225cb3a8e12de75a14ff778e8a3e978b9 [INFO] running `Command { std: "docker" "start" "-a" "a58ad91537b9eee667164ca9bd7322a225cb3a8e12de75a14ff778e8a3e978b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a58ad91537b9eee667164ca9bd7322a225cb3a8e12de75a14ff778e8a3e978b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a58ad91537b9eee667164ca9bd7322a225cb3a8e12de75a14ff778e8a3e978b9", kill_on_drop: false }` [INFO] [stdout] a58ad91537b9eee667164ca9bd7322a225cb3a8e12de75a14ff778e8a3e978b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fc080d121b008c351fe46f80f19ee0234f59775509ceef304d6a8ba18eb51c9 [INFO] running `Command { std: "docker" "start" "-a" "9fc080d121b008c351fe46f80f19ee0234f59775509ceef304d6a8ba18eb51c9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 Option + 'a>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(A) -> Option + '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 [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>(&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>(&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 `::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>(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>(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 `::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" "9fc080d121b008c351fe46f80f19ee0234f59775509ceef304d6a8ba18eb51c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc080d121b008c351fe46f80f19ee0234f59775509ceef304d6a8ba18eb51c9", kill_on_drop: false }` [INFO] [stdout] 9fc080d121b008c351fe46f80f19ee0234f59775509ceef304d6a8ba18eb51c9