[INFO] fetching crate cursed 0.0.1...
[INFO] checking cursed-0.0.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate cursed 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cursed 0.0.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cursed 0.0.1
[INFO] finished tweaking crates.io crate cursed 0.0.1
[INFO] tweaked toml for crates.io crate cursed 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 526d73e54153ef3a5610463472ac586c8145b8d0da239fa08958563591ba498c
[INFO] running `"docker" "start" "-a" "526d73e54153ef3a5610463472ac586c8145b8d0da239fa08958563591ba498c"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking cursed v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `exception`
[INFO] [stderr]    --> src/vec.rs:285:69
[INFO] [stderr]     |
[INFO] [stderr] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exception`
[INFO] [stderr] ...
[INFO] [stderr] 322 | / vec_constructor! {
[INFO] [stderr] 323 | |     TYPE_STRING => String,
[INFO] [stderr] 324 | |     TYPE_U64 => u64
[INFO] [stderr] 325 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exception`
[INFO] [stderr]    --> src/vec.rs:285:69
[INFO] [stderr]     |
[INFO] [stderr] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exception`
[INFO] [stderr] ...
[INFO] [stderr] 322 | / vec_constructor! {
[INFO] [stderr] 323 | |     TYPE_STRING => String,
[INFO] [stderr] 324 | |     TYPE_U64 => u64
[INFO] [stderr] 325 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field1`
[INFO] [stderr]   --> src/nullable.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         field1: u64,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field2`
[INFO] [stderr]   --> src/nullable.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         field2: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `"docker" "inspect" "526d73e54153ef3a5610463472ac586c8145b8d0da239fa08958563591ba498c"`
[INFO] running `"docker" "rm" "-f" "526d73e54153ef3a5610463472ac586c8145b8d0da239fa08958563591ba498c"`
[INFO] [stdout] 526d73e54153ef3a5610463472ac586c8145b8d0da239fa08958563591ba498c