[INFO] fetching crate class_file 0.1.0... [INFO] checking class_file-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate class_file 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate class_file 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate class_file 0.1.0 [INFO] finished tweaking crates.io crate class_file 0.1.0 [INFO] tweaked toml for crates.io crate class_file 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] def9c908e4a25554426b32a938f6df1e5374efaefb0f45a468054706124b516c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "def9c908e4a25554426b32a938f6df1e5374efaefb0f45a468054706124b516c"` [INFO] [stderr] Checking mutf8 v0.1.0 [INFO] [stderr] Checking class_file v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:109:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_INTEGER_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 109 | CONSTANT_INTEGER_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_FLOAT_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 110 | CONSTANT_FLOAT_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_LONG_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:111:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_LONG_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 111 | CONSTANT_LONG_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DOUBLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 112 | CONSTANT_DOUBLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_STRING_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_STRING_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 113 | CONSTANT_STRING_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:649:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_INTEGER_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 649 | CONSTANT_INTEGER_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:650:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_FLOAT_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 650 | CONSTANT_FLOAT_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_LONG_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:651:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_LONG_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 651 | CONSTANT_LONG_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:652:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DOUBLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 652 | CONSTANT_DOUBLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_STRING_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:653:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_STRING_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 653 | CONSTANT_STRING_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_METHOD_HANDLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:654:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_METHOD_HANDLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 654 | CONSTANT_METHOD_HANDLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_METHOD_TYPE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:655:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_METHOD_TYPE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 655 | CONSTANT_METHOD_TYPE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DYNAMIC_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:656:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DYNAMIC_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 656 | CONSTANT_DYNAMIC_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:109:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_INTEGER_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 109 | CONSTANT_INTEGER_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_FLOAT_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 110 | CONSTANT_FLOAT_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_LONG_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:111:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_LONG_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 111 | CONSTANT_LONG_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DOUBLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 112 | CONSTANT_DOUBLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_STRING_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_STRING_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 113 | CONSTANT_STRING_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:649:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_INTEGER_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 649 | CONSTANT_INTEGER_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:650:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_FLOAT_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 650 | CONSTANT_FLOAT_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_LONG_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:651:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_LONG_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 651 | CONSTANT_LONG_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:652:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DOUBLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 652 | CONSTANT_DOUBLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_STRING_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:653:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_STRING_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 653 | CONSTANT_STRING_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_METHOD_HANDLE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:654:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_METHOD_HANDLE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 654 | CONSTANT_METHOD_HANDLE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_METHOD_TYPE_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:655:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_METHOD_TYPE_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 655 | CONSTANT_METHOD_TYPE_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `CONSTANT_DYNAMIC_TAG` is imported redundantly [INFO] [stderr] --> src/attr.rs:656:4 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | -------- the item `CONSTANT_DYNAMIC_TAG` is already imported here [INFO] [stderr] ... [INFO] [stderr] 656 | CONSTANT_DYNAMIC_TAG, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `"docker" "inspect" "def9c908e4a25554426b32a938f6df1e5374efaefb0f45a468054706124b516c"` [INFO] running `"docker" "rm" "-f" "def9c908e4a25554426b32a938f6df1e5374efaefb0f45a468054706124b516c"` [INFO] [stdout] def9c908e4a25554426b32a938f6df1e5374efaefb0f45a468054706124b516c