[INFO] fetching crate mockiato 0.9.5... [INFO] checking mockiato-0.9.5 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate mockiato 0.9.5 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate mockiato 0.9.5 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate mockiato 0.9.5 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mockiato 0.9.5 [INFO] tweaked toml for crates.io crate mockiato 0.9.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate mockiato 0.9.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nearly_eq v0.2.4 [INFO] [stderr] Downloaded nameof v1.1.0 [INFO] [stderr] Downloaded mockiato-codegen v0.9.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5b395b8eaf67679eeeb418c93f04d19f370df5397294e6c0806aa785fa60e4a [INFO] running `Command { std: "docker" "start" "-a" "e5b395b8eaf67679eeeb418c93f04d19f370df5397294e6c0806aa785fa60e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5b395b8eaf67679eeeb418c93f04d19f370df5397294e6c0806aa785fa60e4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b395b8eaf67679eeeb418c93f04d19f370df5397294e6c0806aa785fa60e4a", kill_on_drop: false }` [INFO] [stdout] e5b395b8eaf67679eeeb418c93f04d19f370df5397294e6c0806aa785fa60e4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2071911d9109bb309703aeb9214115cf2b2f25a9c4a013b683468fc94e1a46a3 [INFO] running `Command { std: "docker" "start" "-a" "2071911d9109bb309703aeb9214115cf2b2f25a9c4a013b683468fc94e1a46a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking nearly_eq v0.2.4 [INFO] [stderr] Checking nameof v1.1.0 [INFO] [stderr] Compiling mockiato-codegen v0.9.5 [INFO] [stderr] Compiling mockiato v0.9.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:110:48 [INFO] [stdout] | [INFO] [stdout] 110 | #![cfg_attr(rustc_is_nightly, feature(doc_cfg, external_doc, specialization))] [INFO] [stdout] | ^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: use #[doc = include_str!("filename")] instead, which handles macro invocations [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:110:48 [INFO] [stdout] | [INFO] [stdout] 110 | #![cfg_attr(rustc_is_nightly, feature(doc_cfg, external_doc, specialization))] [INFO] [stdout] | ^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: use #[doc = include_str!("filename")] instead, which handles macro invocations [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:110:62 [INFO] [stdout] | [INFO] [stdout] 110 | #![cfg_attr(rustc_is_nightly, feature(doc_cfg, external_doc, specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unknown `doc` attribute `include` [INFO] [stdout] --> src/lib.rs:207:34 [INFO] [stdout] | [INFO] [stdout] 207 | #[cfg_attr(rustc_is_nightly, doc(include = "../readme.md"))] [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^- help: use `doc = include_str!` instead: `#[doc = include_str!("../readme.md")]` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:110:62 [INFO] [stdout] | [INFO] [stdout] 110 | #![cfg_attr(rustc_is_nightly, feature(doc_cfg, external_doc, specialization))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RefCell` is imported redundantly [INFO] [stdout] --> src/method_call.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 222 | use super::*; [INFO] [stdout] | -------- the item `RefCell` is already imported here [INFO] [stdout] ... [INFO] [stdout] 225 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unknown `doc` attribute `include` [INFO] [stdout] --> src/lib.rs:207:34 [INFO] [stdout] | [INFO] [stdout] 207 | #[cfg_attr(rustc_is_nightly, doc(include = "../readme.md"))] [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^- help: use `doc = include_str!` instead: `#[doc = include_str!("../readme.md")]` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mockiato` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mockiato` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2071911d9109bb309703aeb9214115cf2b2f25a9c4a013b683468fc94e1a46a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2071911d9109bb309703aeb9214115cf2b2f25a9c4a013b683468fc94e1a46a3", kill_on_drop: false }` [INFO] [stdout] 2071911d9109bb309703aeb9214115cf2b2f25a9c4a013b683468fc94e1a46a3