[INFO] fetching crate iterware 0.1.0... [INFO] checking iterware-0.1.0 against try#d4bd6c543d189dee2fa075d0b37e31ddc7d111a4 for pr-106073 [INFO] extracting crate iterware 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate iterware 0.1.0 on toolchain d4bd6c543d189dee2fa075d0b37e31ddc7d111a4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate iterware 0.1.0 [INFO] finished tweaking crates.io crate iterware 0.1.0 [INFO] tweaked toml for crates.io crate iterware 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45222b29a8b626436f1ca791ec41812e1506daea902e58904a872f84adeec713 [INFO] running `Command { std: "docker" "start" "-a" "45222b29a8b626436f1ca791ec41812e1506daea902e58904a872f84adeec713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45222b29a8b626436f1ca791ec41812e1506daea902e58904a872f84adeec713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45222b29a8b626436f1ca791ec41812e1506daea902e58904a872f84adeec713", kill_on_drop: false }` [INFO] [stdout] 45222b29a8b626436f1ca791ec41812e1506daea902e58904a872f84adeec713 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+d4bd6c543d189dee2fa075d0b37e31ddc7d111a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6bd7ee2332c761b2bd8a6373546ff9e96580e541769382229e4071b4dd9a426 [INFO] running `Command { std: "docker" "start" "-a" "d6bd7ee2332c761b2bd8a6373546ff9e96580e541769382229e4071b4dd9a426", kill_on_drop: false }` [INFO] [stderr] Checking iterware v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: the method `sum` exists for struct `Iterware, [closure@lib.rs:65:25]>`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Iterware { [INFO] [stdout] | ------------------------- [INFO] [stdout] | | [INFO] [stdout] | method `sum` not found for this struct [INFO] [stdout] | doesn't satisfy `_: Iterator` [INFO] [stdout] ... [INFO] [stdout] 65 | .middleware(|value| println!("Adding value {}", value)) [INFO] [stdout] | ------- [INFO] [stdout] | | [INFO] [stdout] | doesn't satisfy `<_ as FnOnce<(&{integer},)>>::Output = ()` [INFO] [stdout] | doesn't satisfy `_: Fn<(&{integer},)>` [INFO] [stdout] 66 | .sum(); [INFO] [stdout] | ^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] note: trait bound `[closure@src/lib.rs:65:25: 65:32]: Fn<(&{integer},)>` was not satisfied [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Iterator for Iterware [INFO] [stdout] | -------- -------------- [INFO] [stdout] 10 | where [INFO] [stdout] 11 | F: Fn(&I::Item) -> (), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here [INFO] [stdout] note: trait bound `<[closure@src/lib.rs:65:25: 65:32] as FnOnce<(&{integer},)>>::Output = ()` was not satisfied [INFO] [stdout] --> src/lib.rs:11:28 [INFO] [stdout] | [INFO] [stdout] 9 | impl Iterator for Iterware [INFO] [stdout] | -------- -------------- [INFO] [stdout] 10 | where [INFO] [stdout] 11 | F: Fn(&I::Item) -> (), [INFO] [stdout] | ^^ unsatisfied trait bound introduced here [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `Iterware, [closure@src/lib.rs:65:25: 65:32]>: Iterator` [INFO] [stdout] which is required by `&mut Iterware, [closure@src/lib.rs:65:25: 65:32]>: Iterator` [INFO] [stdout] note: the trait `Iterator` must be implemented [INFO] [stdout] --> /rustc/d4bd6c543d189dee2fa075d0b37e31ddc7d111a4/library/core/src/iter/traits/iterator.rs:67:1 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `iterware` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d6bd7ee2332c761b2bd8a6373546ff9e96580e541769382229e4071b4dd9a426", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6bd7ee2332c761b2bd8a6373546ff9e96580e541769382229e4071b4dd9a426", kill_on_drop: false }` [INFO] [stdout] d6bd7ee2332c761b2bd8a6373546ff9e96580e541769382229e4071b4dd9a426