[INFO] cloning repository https://github.com/SchrodingerZhu/libc-free [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SchrodingerZhu/libc-free" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b30d69303e047d1caaba159146ca158802524cc [INFO] testing SchrodingerZhu/libc-free against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Flibc-free" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SchrodingerZhu/libc-free on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SchrodingerZhu/libc-free [INFO] finished tweaking git repo https://github.com/SchrodingerZhu/libc-free [INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/libc-free written to /workspace/builds/worker-104/source/Cargo.toml [INFO] crate git repo https://github.com/SchrodingerZhu/libc-free already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0a5383a047bfcf91973e681c2585eeb2b2741a2f42a1c3dcd3c08a04098bb3b [INFO] running `Command { std: "docker" "start" "-a" "f0a5383a047bfcf91973e681c2585eeb2b2741a2f42a1c3dcd3c08a04098bb3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0a5383a047bfcf91973e681c2585eeb2b2741a2f42a1c3dcd3c08a04098bb3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0a5383a047bfcf91973e681c2585eeb2b2741a2f42a1c3dcd3c08a04098bb3b", kill_on_drop: false }` [INFO] [stdout] f0a5383a047bfcf91973e681c2585eeb2b2741a2f42a1c3dcd3c08a04098bb3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c167f7e20d296b164651d78fb809f841d3a0605587ea13ccb5427fea4a6f312d [INFO] running `Command { std: "docker" "start" "-a" "c167f7e20d296b164651d78fb809f841d3a0605587ea13ccb5427fea4a6f312d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Compiling syscalls v0.3.2 [INFO] [stderr] Compiling untitled7 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(alloc_error_handler)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(alloc_prelude)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(llvm_asm)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(asm)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `syscalls::*` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use syscalls::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::fmt::Write` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use core::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead [INFO] [stdout] --> src/sync.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | llvm_asm!("xacquire; lock; cmpxchgq $2, $1" [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead [INFO] [stdout] --> src/sync.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | llvm_asm!("xrelease; lock; xaddq $2, $1" [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::mem::size_of` [INFO] [stdout] --> src/memory.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::mem::size_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EWRITER`, `WRITER` [INFO] [stdout] --> src/memory.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::write::{WRITER, EWRITER}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead [INFO] [stdout] --> src/thread.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | llvm_asm!( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | spin_loop_hint(); // CPU relaxation [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:245:21 [INFO] [stdout] | [INFO] [stdout] 245 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:264:25 [INFO] [stdout] | [INFO] [stdout] 264 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/sync.rs:270:25 [INFO] [stdout] | [INFO] [stdout] 270 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/memory.rs:136:22 [INFO] [stdout] | [INFO] [stdout] 136 | ALIGNED_BASE.compare_and_swap(hint + size, 4 << 40, Ordering::AcqRel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `untitled7` due to 7 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c167f7e20d296b164651d78fb809f841d3a0605587ea13ccb5427fea4a6f312d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c167f7e20d296b164651d78fb809f841d3a0605587ea13ccb5427fea4a6f312d", kill_on_drop: false }` [INFO] [stdout] c167f7e20d296b164651d78fb809f841d3a0605587ea13ccb5427fea4a6f312d