[INFO] fetching crate tiny-lsm 0.4.6... [INFO] checking tiny-lsm-0.4.6 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate tiny-lsm 0.4.6 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate tiny-lsm 0.4.6 [INFO] finished tweaking crates.io crate tiny-lsm 0.4.6 [INFO] tweaked toml for crates.io crate tiny-lsm 0.4.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tiny-lsm 0.4.6 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] crate crates.io crate tiny-lsm 0.4.6 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4db5cef88d219666756ad2e8424c6a47acb9d59e3505ad4db0e2225a8628e8cb [INFO] running `Command { std: "docker" "start" "-a" "4db5cef88d219666756ad2e8424c6a47acb9d59e3505ad4db0e2225a8628e8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4db5cef88d219666756ad2e8424c6a47acb9d59e3505ad4db0e2225a8628e8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4db5cef88d219666756ad2e8424c6a47acb9d59e3505ad4db0e2225a8628e8cb", kill_on_drop: false }` [INFO] [stdout] 4db5cef88d219666756ad2e8424c6a47acb9d59e3505ad4db0e2225a8628e8cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 75b20d5f5010a0ab5c166d28c1f32cb7dd6165f961af7cd23b3d094536f53e71 [INFO] running `Command { std: "docker" "start" "-a" "75b20d5f5010a0ab5c166d28c1f32cb7dd6165f961af7cd23b3d094536f53e71", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling zstd-safe v4.1.1+zstd.1.5.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling decent-synquote-alternative v0.4.0 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking nu-ansi-term v0.39.0 [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.10.0 [INFO] [stdout] error[E0635]: unknown feature `stdsimd` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42 [INFO] [stdout] | [INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fuzzcheck_common v0.10.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.10.0/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-0.10.0/src/arg.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | #[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-0.10.0/src/arg.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | #[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-0.10.0/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-0.10.0/src/arg.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | #[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-0.10.0/src/arg.rs:215:13 [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-0.10.0/src/arg.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | #[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-0.10.0/src/arg.rs:267:21 [INFO] [stdout] | [INFO] [stdout] 267 | #[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-0.10.0/src/arg.rs:276:17 [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: cannot find attribute `no_coverage` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.10.0/src/arg.rs:34:7 [INFO] [stdout] | [INFO] [stdout] 34 | #[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-0.10.0/src/arg.rs:69:3 [INFO] [stdout] | [INFO] [stdout] 69 | #[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-0.10.0/src/arg.rs:156:7 [INFO] [stdout] | [INFO] [stdout] 156 | #[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-0.10.0/src/arg.rs:184:19 [INFO] [stdout] | [INFO] [stdout] 184 | #[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-0.10.0/src/arg.rs:188:19 [INFO] [stdout] | [INFO] [stdout] 188 | #[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-0.10.0/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-0.10.0/src/arg.rs:204:15 [INFO] [stdout] | [INFO] [stdout] 204 | #[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-0.10.0/src/arg.rs:215:15 [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-0.10.0/src/arg.rs:234:15 [INFO] [stdout] | [INFO] [stdout] 234 | #[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-0.10.0/src/arg.rs:267:23 [INFO] [stdout] | [INFO] [stdout] 267 | #[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-0.10.0/src/arg.rs:276:19 [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-0.10.0/src/arg.rs:306:3 [INFO] [stdout] | [INFO] [stdout] 306 | #[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-0.10.0/src/arg.rs:369:7 [INFO] [stdout] | [INFO] [stdout] 369 | #[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-0.10.0/src/arg.rs:375:7 [INFO] [stdout] | [INFO] [stdout] 375 | #[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-0.10.0/src/arg.rs:408:7 [INFO] [stdout] | [INFO] [stdout] 408 | #[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 24 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "75b20d5f5010a0ab5c166d28c1f32cb7dd6165f961af7cd23b3d094536f53e71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75b20d5f5010a0ab5c166d28c1f32cb7dd6165f961af7cd23b3d094536f53e71", kill_on_drop: false }` [INFO] [stdout] 75b20d5f5010a0ab5c166d28c1f32cb7dd6165f961af7cd23b3d094536f53e71