[INFO] fetching crate exprz-core 0.0.6... [INFO] checking exprz-core-0.0.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193 [INFO] extracting crate exprz-core 0.0.6 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate exprz-core 0.0.6 [INFO] finished tweaking crates.io crate exprz-core 0.0.6 [INFO] tweaked toml for crates.io crate exprz-core 0.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate exprz-core 0.0.6 on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a672418b490f458a8d97bf23835ad0bb4cab8d09560c7a502c7905d35004fef1 [INFO] running `Command { std: "docker" "start" "-a" "a672418b490f458a8d97bf23835ad0bb4cab8d09560c7a502c7905d35004fef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a672418b490f458a8d97bf23835ad0bb4cab8d09560c7a502c7905d35004fef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a672418b490f458a8d97bf23835ad0bb4cab8d09560c7a502c7905d35004fef1", kill_on_drop: false }` [INFO] [stdout] a672418b490f458a8d97bf23835ad0bb4cab8d09560c7a502c7905d35004fef1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9ec97f98b8a0d04914c2023748afe17e4952c82bfba5f63add76e1e8006d9aa [INFO] running `Command { std: "docker" "start" "-a" "c9ec97f98b8a0d04914c2023748afe17e4952c82bfba5f63add76e1e8006d9aa", kill_on_drop: false }` [INFO] [stderr] Checking exprz-core v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/lib.rs:416:5 [INFO] [stdout] | [INFO] [stdout] 416 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/lib.rs:416:5 [INFO] [stdout] | [INFO] [stdout] 416 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `Item` [INFO] [stdout] --> src/lib.rs:1003:9 [INFO] [stdout] | [INFO] [stdout] 1003 | / type Item<'t>: Borrow [INFO] [stdout] 1004 | | where [INFO] [stdout] 1005 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `Iter` [INFO] [stdout] --> src/lib.rs:1008:9 [INFO] [stdout] | [INFO] [stdout] 1008 | / type Iter<'t>: Iterator> [INFO] [stdout] 1009 | | where [INFO] [stdout] 1010 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `IterGen` [INFO] [stdout] --> src/lib.rs:1019:9 [INFO] [stdout] | [INFO] [stdout] 1019 | / type IterGen<'t>: IteratorGen [INFO] [stdout] 1020 | | where [INFO] [stdout] 1021 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `Item` [INFO] [stdout] --> src/lib.rs:1003:9 [INFO] [stdout] | [INFO] [stdout] 1003 | / type Item<'t>: Borrow [INFO] [stdout] 1004 | | where [INFO] [stdout] 1005 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `Iter` [INFO] [stdout] --> src/lib.rs:1008:9 [INFO] [stdout] | [INFO] [stdout] 1008 | / type Iter<'t>: Iterator> [INFO] [stdout] 1009 | | where [INFO] [stdout] 1010 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing required bound on `IterGen` [INFO] [stdout] --> src/lib.rs:1019:9 [INFO] [stdout] | [INFO] [stdout] 1019 | / type IterGen<'t>: IteratorGen [INFO] [stdout] 1020 | | where [INFO] [stdout] 1021 | | T: 't; [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |__________________help: add the required where clause: `, Self: 't` [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: this bound is currently required to ensure that impls have maximum flexibility [INFO] [stdout] = note: we are soliciting feedback, see issue #87479 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exprz-core` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `exprz-core` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c9ec97f98b8a0d04914c2023748afe17e4952c82bfba5f63add76e1e8006d9aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9ec97f98b8a0d04914c2023748afe17e4952c82bfba5f63add76e1e8006d9aa", kill_on_drop: false }` [INFO] [stdout] c9ec97f98b8a0d04914c2023748afe17e4952c82bfba5f63add76e1e8006d9aa