[INFO] fetching crate fuzzcheck_json_string_generator 0.1.0... [INFO] checking fuzzcheck_json_string_generator-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate fuzzcheck_json_string_generator 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate fuzzcheck_json_string_generator 0.1.0 [INFO] finished tweaking crates.io crate fuzzcheck_json_string_generator 0.1.0 [INFO] tweaked toml for crates.io crate fuzzcheck_json_string_generator 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fuzzcheck_json_string_generator 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding fuzzcheck v0.12.1 (available: v0.13.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c2ffd23a845374fe5b9e52fe173fb358155289f6a192b7873706e342dd74260 [INFO] running `Command { std: "docker" "start" "-a" "4c2ffd23a845374fe5b9e52fe173fb358155289f6a192b7873706e342dd74260", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c2ffd23a845374fe5b9e52fe173fb358155289f6a192b7873706e342dd74260", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c2ffd23a845374fe5b9e52fe173fb358155289f6a192b7873706e342dd74260", kill_on_drop: false }` [INFO] [stdout] 4c2ffd23a845374fe5b9e52fe173fb358155289f6a192b7873706e342dd74260 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 584d0278f89ac559584e0c3a67a8bf167898939b532dd7918f545dbc2cf42800 [INFO] running `Command { std: "docker" "start" "-a" "584d0278f89ac559584e0c3a67a8bf167898939b532dd7918f545dbc2cf42800", kill_on_drop: false }` [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling fuzzcheck v0.12.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getopts v0.2.24 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking nu-ansi-term v0.39.0 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking fuzzcheck_common v0.12.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(no_coverage)] [INFO] [stdout] | ^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.74.0; see for more information [INFO] [stdout] = note: renamed to `coverage_attribute` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:193:13 [INFO] [stdout] | [INFO] [stdout] 193 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:211:17 [INFO] [stdout] | [INFO] [stdout] 211 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:215:17 [INFO] [stdout] | [INFO] [stdout] 215 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:233:13 [INFO] [stdout] | [INFO] [stdout] 233 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:244:13 [INFO] [stdout] | [INFO] [stdout] 244 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:266:13 [INFO] [stdout] | [INFO] [stdout] 266 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:288:21 [INFO] [stdout] | [INFO] [stdout] 288 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:305:21 [INFO] [stdout] | [INFO] [stdout] 305 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:314:17 [INFO] [stdout] | [INFO] [stdout] 314 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:87:3 [INFO] [stdout] | [INFO] [stdout] 87 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:180:7 [INFO] [stdout] | [INFO] [stdout] 180 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:193:15 [INFO] [stdout] | [INFO] [stdout] 193 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:211:19 [INFO] [stdout] | [INFO] [stdout] 211 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:215:19 [INFO] [stdout] | [INFO] [stdout] 215 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:222:15 [INFO] [stdout] | [INFO] [stdout] 222 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:233:15 [INFO] [stdout] | [INFO] [stdout] 233 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:244:15 [INFO] [stdout] | [INFO] [stdout] 244 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:255:15 [INFO] [stdout] | [INFO] [stdout] 255 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:266:15 [INFO] [stdout] | [INFO] [stdout] 266 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:276:23 [INFO] [stdout] | [INFO] [stdout] 276 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:288:23 [INFO] [stdout] | [INFO] [stdout] 288 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:305:23 [INFO] [stdout] | [INFO] [stdout] 305 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:314:19 [INFO] [stdout] | [INFO] [stdout] 314 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:344:3 [INFO] [stdout] | [INFO] [stdout] 344 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:411:7 [INFO] [stdout] | [INFO] [stdout] 411 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:417:7 [INFO] [stdout] | [INFO] [stdout] 417 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:450:7 [INFO] [stdout] | [INFO] [stdout] 450 | #[no_coverage] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fuzzcheck_common` (lib) due to 32 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "584d0278f89ac559584e0c3a67a8bf167898939b532dd7918f545dbc2cf42800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584d0278f89ac559584e0c3a67a8bf167898939b532dd7918f545dbc2cf42800", kill_on_drop: false }` [INFO] [stdout] 584d0278f89ac559584e0c3a67a8bf167898939b532dd7918f545dbc2cf42800