[INFO] cloning repository https://github.com/yasammez/kmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yasammez/kmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasammez%2Fkmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasammez%2Fkmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2d3973d662131559acae403fd2b392732084bc9
[INFO] checking yasammez/kmd against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasammez%2Fkmd" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yasammez/kmd on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yasammez/kmd
[INFO] finished tweaking git repo https://github.com/yasammez/kmd
[INFO] tweaked toml for git repo https://github.com/yasammez/kmd written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yasammez/kmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77345ab4b9432884915b42affe25145fb2a23b2d285ab98bd7a3ce09a8551f89
[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" "77345ab4b9432884915b42affe25145fb2a23b2d285ab98bd7a3ce09a8551f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77345ab4b9432884915b42affe25145fb2a23b2d285ab98bd7a3ce09a8551f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77345ab4b9432884915b42affe25145fb2a23b2d285ab98bd7a3ce09a8551f89", kill_on_drop: false }`
[INFO] [stdout] 77345ab4b9432884915b42affe25145fb2a23b2d285ab98bd7a3ce09a8551f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e6b539bb15c579542e04afc5d7c67a09d9ed902547501c2ec454223979c9a8
[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" "54e6b539bb15c579542e04afc5d7c67a09d9ed902547501c2ec454223979c9a8", kill_on_drop: false }`
[INFO] [stderr]     Checking kmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub extern "C" fn __multi3(a: i128, b: i128) -> i128 {
[INFO] [stdout]    |                                   ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub extern "C" fn __multi3(a: i128, b: i128) -> i128 {
[INFO] [stdout]    |                                            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:57:50
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub extern "C" fn __multi3(a: i128, b: i128) -> i128 {
[INFO] [stdout]    |                                                     ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub extern fn __muloti4(a: i128, b: i128, oflow: &mut i32) -> i128 {
[INFO] [stdout]    |                                ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub extern fn __muloti4(a: i128, b: i128, oflow: &mut i32) -> i128 {
[INFO] [stdout]    |                                         ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `i128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:62:64
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub extern fn __muloti4(a: i128, b: i128, oflow: &mut i32) -> i128 {
[INFO] [stdout]    |                                                                   ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub extern "C" fn __udivti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                    ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:67:42
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub extern "C" fn __udivti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                             ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:67:51
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub extern "C" fn __udivti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                                      ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub extern "C" fn __umodti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                    ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub extern "C" fn __umodti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                             ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/crt.rs:72:51
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub extern "C" fn __umodti3(n: u128, d: u128) -> u128 {
[INFO] [stdout]    |                                                      ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/macros.rs:9:19
[INFO] [stdout]     |
[INFO] [stdout] 9   |         unsafe { &(*(0 as *const $ty)).$field as *const _ as usize }
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/irp.rs:252:46
[INFO] [stdout]     |
[INFO] [stdout] 252 |         unsafe { core::ptr::copy(curr, next, offset_of!(IO_STACK_LOCATION, CompletionRoutine)); }
[INFO] [stdout]     |                                              ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` 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[E0152]: found duplicate lang item `eh_personality`
[INFO] [stdout]  --> src/lang.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[lang = "eh_personality"] extern fn eh_personality() {}
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stdout]   = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/a5f164faad4a2fed606b8160fd7ecd2d5cbba381/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-c2ca47afdcc5e309.rlib
[INFO] [stdout]   = note: second definition in the local crate (`kmd`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmd`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "54e6b539bb15c579542e04afc5d7c67a09d9ed902547501c2ec454223979c9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e6b539bb15c579542e04afc5d7c67a09d9ed902547501c2ec454223979c9a8", kill_on_drop: false }`
[INFO] [stdout] 54e6b539bb15c579542e04afc5d7c67a09d9ed902547501c2ec454223979c9a8