[INFO] updating cached repository https://github.com/SchrodingerZhu/toylibc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30861c036b0b1166e4a86b99e6e195239a9a8e4d
[INFO] checking SchrodingerZhu/toylibc against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Ftoylibc" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchrodingerZhu/toylibc on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SchrodingerZhu/toylibc
[INFO] finished tweaking git repo https://github.com/SchrodingerZhu/toylibc
[INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/toylibc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SchrodingerZhu/toylibc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 71729e75c52071c82af0abcd8bd9416e5436ba16618f68cbce96fb584aa3863d
[INFO] running `"docker" "start" "-a" "71729e75c52071c82af0abcd8bd9416e5436ba16618f68cbce96fb584aa3863d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking time v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking packed_simd v0.3.3
[INFO] [stderr]     Checking libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling syscalls v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking simdeez v1.0.0
[INFO] [stderr]    Compiling rusty-asm v0.2.1
[INFO] [stderr]     Checking toylibc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]  --> src/utils/bitwise.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data) : "memory" : "volatile");
[INFO] [stderr]   |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]    --> src/utils/bitwise.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]     |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]    --> src/utils/bitwise.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]     |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]  --> src/utils/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     asm!("pause\n" : : : "memory" : "volatile")
[INFO] [stderr]   |     ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/parking_lot/elision.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stderr]    |             ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/parking_lot/elision.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             asm!("xrelease; lock; xaddq $2, $1"
[INFO] [stderr]    |             ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/types.rs:171:29
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fds_bits: [ulong_t; (FD_SETSIZE / (8 * 8))],
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/constants.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub const IPC_TIME64: int_t = (IPC_STAT & 0x100);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: no global memory allocator found but one is required; link to std or add `#[global_allocator]` to a static item that implements the GlobalAlloc trait.
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]  --> src/utils/bitwise.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data) : "memory" : "volatile");
[INFO] [stderr]   |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         asm!("bsf $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         asm!("bsr $1, $0" : "=r"(ans) : "r"(data));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/bitwise.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]    --> src/utils/bitwise.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]     |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]    --> src/utils/bitwise.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         asm!("popcnt $1, $0" : "=r"(ans) : "r"(v));
[INFO] [stderr]     |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]  --> src/utils/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     asm!("pause\n" : : : "memory" : "volatile")
[INFO] [stderr]   |     ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/parking_lot/elision.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stderr]    |             ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/utils/parking_lot/elision.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             asm!("xrelease; lock; xaddq $2, $1"
[INFO] [stderr]    |             ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/types.rs:171:29
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fds_bits: [ulong_t; (FD_SETSIZE / (8 * 8))],
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/constants.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub const IPC_TIME64: int_t = (IPC_STAT & 0x100);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: `#[alloc_error_handler]` function required, but not found
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: can't compare `u8` with `i32`
[INFO] [stderr]  --> src/posix/thread/vm_lock.rs:7:65
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while core::intrinsics::atomic_load(&VM_LOCK.0 as *const _) != 0 {
[INFO] [stderr]   |                                                                 ^^ no implementation for `u8 == i32`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `core::cmp::PartialEq<i32>` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `toylibc`.
[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] [stderr] error[E0277]: can't compare `u8` with `i32`
[INFO] [stderr]  --> src/posix/thread/vm_lock.rs:7:65
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while core::intrinsics::atomic_load(&VM_LOCK.0 as *const _) != 0 {
[INFO] [stderr]   |                                                                 ^^ no implementation for `u8 == i32`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::cmp::PartialEq<i32>` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `toylibc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "71729e75c52071c82af0abcd8bd9416e5436ba16618f68cbce96fb584aa3863d"`
[INFO] running `"docker" "rm" "-f" "71729e75c52071c82af0abcd8bd9416e5436ba16618f68cbce96fb584aa3863d"`
[INFO] [stdout] 71729e75c52071c82af0abcd8bd9416e5436ba16618f68cbce96fb584aa3863d