[INFO] cloning repository https://github.com/rifqifatih/malloc_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rifqifatih/malloc_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifqifatih%2Fmalloc_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifqifatih%2Fmalloc_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c42475b666ce90c14efacb4218d94d3cc1bc9603
[INFO] checking rifqifatih/malloc_rs against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifqifatih%2Fmalloc_rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rifqifatih/malloc_rs on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rifqifatih/malloc_rs
[INFO] finished tweaking git repo https://github.com/rifqifatih/malloc_rs
[INFO] tweaked toml for git repo https://github.com/rifqifatih/malloc_rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rifqifatih/malloc_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebe9f41ffef8cc6ecf7a025f19ce9ebb90e56afa90eaf609941ed76bce6c193
[INFO] running `Command { std: "docker" "start" "-a" "eebe9f41ffef8cc6ecf7a025f19ce9ebb90e56afa90eaf609941ed76bce6c193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebe9f41ffef8cc6ecf7a025f19ce9ebb90e56afa90eaf609941ed76bce6c193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebe9f41ffef8cc6ecf7a025f19ce9ebb90e56afa90eaf609941ed76bce6c193", kill_on_drop: false }`
[INFO] [stdout] eebe9f41ffef8cc6ecf7a025f19ce9ebb90e56afa90eaf609941ed76bce6c193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a240ce1f92b276e783e37cdbea7d45eff38f75182832a9191a8387e4eaafd383
[INFO] running `Command { std: "docker" "start" "-a" "a240ce1f92b276e783e37cdbea7d45eff38f75182832a9191a8387e4eaafd383", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking malloc_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]  --> src/malloc/syscalls.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     llvm_asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]  --> src/malloc/syscalls.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     llvm_asm!("syscall" : "={rax}"(ret)
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `mutex_unlock`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(mutex_unlock)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `mutex_unlock`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(mutex_unlock)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Mutex::unlock(lock);
[INFO] [stdout]     |            ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 |     Mutex::unlock(lock);
[INFO] [stdout]     |            ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Mutex::unlock(lock);
[INFO] [stdout]     |            ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 |     Mutex::unlock(lock);
[INFO] [stdout]     |            ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:229:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |         Mutex::unlock(lock);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `unlock` found for struct `Mutex` in the current scope
[INFO] [stdout]    --> src/malloc/mod.rs:266:16
[INFO] [stdout]     |
[INFO] [stdout] 266 |         Mutex::unlock(lock);
[INFO] [stdout]     |                ^^^^^^ function or associated item not found in `Mutex<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Mutex<_>`, consider using `Mutex::<T>::new` which returns `Mutex<_>`
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:273:5
[INFO] [stdout] help: there is a method `lock` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sync/mutex.rs:315:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malloc_rs` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malloc_rs` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "a240ce1f92b276e783e37cdbea7d45eff38f75182832a9191a8387e4eaafd383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a240ce1f92b276e783e37cdbea7d45eff38f75182832a9191a8387e4eaafd383", kill_on_drop: false }`
[INFO] [stdout] a240ce1f92b276e783e37cdbea7d45eff38f75182832a9191a8387e4eaafd383
[INFO] checking rifqifatih/malloc_rs against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frifqifatih%2Fmalloc_rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rifqifatih/malloc_rs on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rifqifatih/malloc_rs
[INFO] finished tweaking git repo https://github.com/rifqifatih/malloc_rs
[INFO] tweaked toml for git repo https://github.com/rifqifatih/malloc_rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rifqifatih/malloc_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d04b7096e5c4f2332f3a38a7fa74ef627856391a2ce4c1f872ee3a370c6fbdf3
[INFO] running `Command { std: "docker" "start" "-a" "d04b7096e5c4f2332f3a38a7fa74ef627856391a2ce4c1f872ee3a370c6fbdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04b7096e5c4f2332f3a38a7fa74ef627856391a2ce4c1f872ee3a370c6fbdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04b7096e5c4f2332f3a38a7fa74ef627856391a2ce4c1f872ee3a370c6fbdf3", kill_on_drop: false }`
[INFO] [stdout] d04b7096e5c4f2332f3a38a7fa74ef627856391a2ce4c1f872ee3a370c6fbdf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce24e20cce834ec24c77351b80a329ddcb4560c52699ff6c3d3e408b125dfb8
[INFO] running `Command { std: "docker" "start" "-a" "fce24e20cce834ec24c77351b80a329ddcb4560c52699ff6c3d3e408b125dfb8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "fce24e20cce834ec24c77351b80a329ddcb4560c52699ff6c3d3e408b125dfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce24e20cce834ec24c77351b80a329ddcb4560c52699ff6c3d3e408b125dfb8", kill_on_drop: false }`
[INFO] [stdout] fce24e20cce834ec24c77351b80a329ddcb4560c52699ff6c3d3e408b125dfb8