[INFO] fetching crate cursed 0.0.1...
[INFO] building cursed-0.0.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate cursed 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cursed 0.0.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded slab v0.4.3
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ab7eef6b1a3255cc965dbdf94b2b8ce09917cb67adf844630f9fe7053f0d82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6ab7eef6b1a3255cc965dbdf94b2b8ce09917cb67adf844630f9fe7053f0d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ab7eef6b1a3255cc965dbdf94b2b8ce09917cb67adf844630f9fe7053f0d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ab7eef6b1a3255cc965dbdf94b2b8ce09917cb67adf844630f9fe7053f0d82", kill_on_drop: false }`
[INFO] [stdout] e6ab7eef6b1a3255cc965dbdf94b2b8ce09917cb67adf844630f9fe7053f0d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080e94aa9728fc3e1818fd592a6a0fd7a3cfeef8d6ac087c11a15b4688918233
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "080e94aa9728fc3e1818fd592a6a0fd7a3cfeef8d6ac087c11a15b4688918233", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cursed v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exception`
[INFO] [stdout]    --> src/vec.rs:285:69
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exception`
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:275:39
[INFO] [stdout]     |
[INFO] [stdout] 275 |           pub extern "C" fn vec_new(ty: TypeId) -> $crate::nullable::Nullable<core::ffi::c_void> {
[INFO] [stdout]     |                                         ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:285:61
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                               ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:299:68
[INFO] [stdout]     |
[INFO] [stdout] 299 |           pub extern "C" fn vec_debug_print(handle: *mut RawVec, ty: TypeId) {
[INFO] [stdout]     |                                                                      ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "080e94aa9728fc3e1818fd592a6a0fd7a3cfeef8d6ac087c11a15b4688918233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080e94aa9728fc3e1818fd592a6a0fd7a3cfeef8d6ac087c11a15b4688918233", kill_on_drop: false }`
[INFO] [stdout] 080e94aa9728fc3e1818fd592a6a0fd7a3cfeef8d6ac087c11a15b4688918233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5811ee49334b9b5439ebb00ecc5751d3e45d95d35766cc2cef8799cc7603e53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5811ee49334b9b5439ebb00ecc5751d3e45d95d35766cc2cef8799cc7603e53", kill_on_drop: false }`
[INFO] [stderr]    Compiling cursed v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exception`
[INFO] [stdout]    --> src/vec.rs:285:69
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exception`
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:275:39
[INFO] [stdout]     |
[INFO] [stdout] 275 |           pub extern "C" fn vec_new(ty: TypeId) -> $crate::nullable::Nullable<core::ffi::c_void> {
[INFO] [stdout]     |                                         ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:285:61
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                               ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:299:68
[INFO] [stdout]     |
[INFO] [stdout] 299 |           pub extern "C" fn vec_debug_print(handle: *mut RawVec, ty: TypeId) {
[INFO] [stdout]     |                                                                      ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exception`
[INFO] [stdout]    --> src/vec.rs:285:69
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exception`
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field1`
[INFO] [stdout]   --> src/nullable.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         field1: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field2`
[INFO] [stdout]   --> src/nullable.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         field2: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:275:39
[INFO] [stdout]     |
[INFO] [stdout] 275 |           pub extern "C" fn vec_new(ty: TypeId) -> $crate::nullable::Nullable<core::ffi::c_void> {
[INFO] [stdout]     |                                         ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:285:61
[INFO] [stdout]     |
[INFO] [stdout] 285 |           pub extern "C" fn vec_free(handle: *mut RawVec, ty: TypeId, exception: *mut Exception) {
[INFO] [stdout]     |                                                               ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `TypeId`, which is not FFI-safe
[INFO] [stdout]    --> src/vec.rs:299:68
[INFO] [stdout]     |
[INFO] [stdout] 299 |           pub extern "C" fn vec_debug_print(handle: *mut RawVec, ty: TypeId) {
[INFO] [stdout]     |                                                                      ^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 322 | / vec_constructor! {
[INFO] [stdout] 323 | |     TYPE_STRING => String,
[INFO] [stdout] 324 | |     TYPE_U64 => u64
[INFO] [stdout] 325 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "c5811ee49334b9b5439ebb00ecc5751d3e45d95d35766cc2cef8799cc7603e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5811ee49334b9b5439ebb00ecc5751d3e45d95d35766cc2cef8799cc7603e53", kill_on_drop: false }`
[INFO] [stdout] c5811ee49334b9b5439ebb00ecc5751d3e45d95d35766cc2cef8799cc7603e53
