[INFO] crate asserter 0.1.0 is already in cache
[INFO] checking asserter-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate asserter 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate asserter 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate asserter 0.1.0
[INFO] finished tweaking crates.io crate asserter 0.1.0
[INFO] tweaked toml for crates.io crate asserter 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 412f95682c1b7ed3eda93c4891bc2ebf76a77410fe1926e7dd8fb4b5a6cfc2a3
[INFO] running `"docker" "start" "-a" "412f95682c1b7ed3eda93c4891bc2ebf76a77410fe1926e7dd8fb4b5a6cfc2a3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling asserter-macros v0.1.0
[INFO] [stderr]     Checking asserter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]   --> tests/unwrap.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     unwrap!(foo as Some(foo));
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]   --> tests/unwrap.rs:72:36
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stderr]    |                                    ^^^ help: try ignoring the field: `foo: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bar`
[INFO] [stderr]   --> tests/unwrap.rs:72:41
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stderr]    |                                         ^^^ help: try ignoring the field: `bar: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> tests/unwrap.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[should_panic]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.40s
[INFO] running `"docker" "inspect" "412f95682c1b7ed3eda93c4891bc2ebf76a77410fe1926e7dd8fb4b5a6cfc2a3"`
[INFO] running `"docker" "rm" "-f" "412f95682c1b7ed3eda93c4891bc2ebf76a77410fe1926e7dd8fb4b5a6cfc2a3"`
[INFO] [stdout] 412f95682c1b7ed3eda93c4891bc2ebf76a77410fe1926e7dd8fb4b5a6cfc2a3