[INFO] fetching crate shoulda_core 0.2.1... [INFO] checking shoulda_core-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate shoulda_core 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate shoulda_core 0.2.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shoulda_core 0.2.1 [INFO] finished tweaking crates.io crate shoulda_core 0.2.1 [INFO] tweaked toml for crates.io crate shoulda_core 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding const_env_impl v0.1.2 (latest: v0.1.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const_env_impl v0.1.2 [INFO] [stderr] Downloaded const_env v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd0e3330914b51292f024c4e62835fe5c48db93e684f7d76eb4bd02bf6c33015 [INFO] running `Command { std: "docker" "start" "-a" "dd0e3330914b51292f024c4e62835fe5c48db93e684f7d76eb4bd02bf6c33015", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd0e3330914b51292f024c4e62835fe5c48db93e684f7d76eb4bd02bf6c33015", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd0e3330914b51292f024c4e62835fe5c48db93e684f7d76eb4bd02bf6c33015", kill_on_drop: false }` [INFO] [stdout] dd0e3330914b51292f024c4e62835fe5c48db93e684f7d76eb4bd02bf6c33015 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dba2fa26bb20dc3f34208e22ddb713fbe2e90a1328dabaf274d4a4a5c429f24 [INFO] running `Command { std: "docker" "start" "-a" "5dba2fa26bb20dc3f34208e22ddb713fbe2e90a1328dabaf274d4a4a5c429f24", kill_on_drop: false }` [INFO] [stderr] Compiling const_env_impl v0.1.2 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Compiling const_env v0.1.2 [INFO] [stderr] Checking shoulda_core v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/wrapper_types.rs:72:47 [INFO] [stdout] | [INFO] [stdout] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] 72 + self.get().should_eq::(&other.get()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/wrapper_types.rs:72:47 [INFO] [stdout] | [INFO] [stdout] 72 | self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Cell` does not implement `Borrow`, so calling `borrow` on `&Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 72 - self.get().should_eq::(&other.borrow().get()) [INFO] [stdout] 72 + self.get().should_eq::(&other.get()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s [INFO] running `Command { std: "docker" "inspect" "5dba2fa26bb20dc3f34208e22ddb713fbe2e90a1328dabaf274d4a4a5c429f24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dba2fa26bb20dc3f34208e22ddb713fbe2e90a1328dabaf274d4a4a5c429f24", kill_on_drop: false }` [INFO] [stdout] 5dba2fa26bb20dc3f34208e22ddb713fbe2e90a1328dabaf274d4a4a5c429f24