[INFO] fetching crate cursed 0.0.1...
[INFO] checking cursed-0.0.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate cursed 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cursed 0.0.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb07344baab8b0138644b5c64d5a0d438cb41d3f86eb32545ede2c367ca4fec9
[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" "fb07344baab8b0138644b5c64d5a0d438cb41d3f86eb32545ede2c367ca4fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb07344baab8b0138644b5c64d5a0d438cb41d3f86eb32545ede2c367ca4fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb07344baab8b0138644b5c64d5a0d438cb41d3f86eb32545ede2c367ca4fec9", kill_on_drop: false }`
[INFO] [stdout] fb07344baab8b0138644b5c64d5a0d438cb41d3f86eb32545ede2c367ca4fec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f89b820e8c6a8146f69492d5893d668b1f1e96838532800a50610f7c7e98c69b
[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" "f89b820e8c6a8146f69492d5893d668b1f1e96838532800a50610f7c7e98c69b", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking 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] error[E0635]: unknown feature `const_type_id`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_id)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[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: `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: 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] error[E0635]: unknown feature `const_type_id`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_id)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cursed`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f89b820e8c6a8146f69492d5893d668b1f1e96838532800a50610f7c7e98c69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89b820e8c6a8146f69492d5893d668b1f1e96838532800a50610f7c7e98c69b", kill_on_drop: false }`
[INFO] [stdout] f89b820e8c6a8146f69492d5893d668b1f1e96838532800a50610f7c7e98c69b
