[INFO] fetching crate mockiato 0.9.6... [INFO] checking mockiato-0.9.6 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate mockiato 0.9.6 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate mockiato 0.9.6 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 mockiato 0.9.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mockiato 0.9.6 [INFO] tweaked toml for crates.io crate mockiato 0.9.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate mockiato 0.9.6 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nameof v1.2.2 [INFO] [stderr] Downloaded nearly_eq v0.2.4 [INFO] [stderr] Downloaded mockiato-codegen v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dfa93e2e6d4db1c6439c6e7906932c2a3781b2e1af5f756ab5e2b56c01ba243e [INFO] running `Command { std: "docker" "start" "-a" "dfa93e2e6d4db1c6439c6e7906932c2a3781b2e1af5f756ab5e2b56c01ba243e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfa93e2e6d4db1c6439c6e7906932c2a3781b2e1af5f756ab5e2b56c01ba243e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfa93e2e6d4db1c6439c6e7906932c2a3781b2e1af5f756ab5e2b56c01ba243e", kill_on_drop: false }` [INFO] [stdout] dfa93e2e6d4db1c6439c6e7906932c2a3781b2e1af5f756ab5e2b56c01ba243e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40e671a9bfd00c941f46cced06e5bd153388f47ae089a0ebe15ce13f4c207a34 [INFO] running `Command { std: "docker" "start" "-a" "40e671a9bfd00c941f46cced06e5bd153388f47ae089a0ebe15ce13f4c207a34", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking nameof v1.2.2 [INFO] [stderr] Checking nearly_eq v0.2.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling mockiato-codegen v0.9.6 [INFO] [stderr] Compiling mockiato v0.9.6 (/opt/rustwide/workdir) [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stdout] error[E0601]: `main` function not found in crate `downcasting` [INFO] [stdout] --> examples/downcasting.rs:34:2 [INFO] [stdout] | [INFO] [stdout] 34 | } [INFO] [stdout] | ^ consider adding a `main` function to `examples/downcasting.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mockiato` (example "downcasting") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `Greeter` is never used [INFO] [stdout] --> tests/trait_with_debug_bound_can_be_formatted.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Greeter: Debug { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `step` is never used [INFO] [stdout] --> examples/downcasting.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | trait ObjectBehavior: ObjectBehaviorAsAny { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 12 | fn step(&mut self); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Greeter` is never used [INFO] [stdout] --> tests/display_impl_for_partial_eq_matcher.rs:12:7 [INFO] [stdout] | [INFO] [stdout] 12 | trait Greeter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Foo` is never used [INFO] [stdout] --> tests/auto_derive_trait_bounds.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Foo: fmt::Debug {} [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `associated_type`, `generic_param_wrapped_in_container`, and `generic_param_as_return_value` are never used [INFO] [stdout] --> tests/generic_types.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 9 | trait Greeter [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn associated_type(&self, name: V::Output) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 18 | [INFO] [stdout] 19 | fn generic_param_wrapped_in_container(&self, names: Vec) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 20 | [INFO] [stdout] 21 | fn generic_param_as_return_value(&self, name: String) -> T; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40e671a9bfd00c941f46cced06e5bd153388f47ae089a0ebe15ce13f4c207a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40e671a9bfd00c941f46cced06e5bd153388f47ae089a0ebe15ce13f4c207a34", kill_on_drop: false }` [INFO] [stdout] 40e671a9bfd00c941f46cced06e5bd153388f47ae089a0ebe15ce13f4c207a34