[INFO] fetching crate lx 0.4.0...
[INFO] checking lx-0.4.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate lx 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate lx 0.4.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate lx 0.4.0
[INFO] finished tweaking crates.io crate lx 0.4.0
[INFO] tweaked toml for crates.io crate lx 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5620f9938cbebb9c62dfd20fb6f0c4bcb2f045adf777a2ddcb1eebf5a9ae5312
[INFO] running `Command { std: "docker" "start" "-a" "5620f9938cbebb9c62dfd20fb6f0c4bcb2f045adf777a2ddcb1eebf5a9ae5312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5620f9938cbebb9c62dfd20fb6f0c4bcb2f045adf777a2ddcb1eebf5a9ae5312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5620f9938cbebb9c62dfd20fb6f0c4bcb2f045adf777a2ddcb1eebf5a9ae5312", kill_on_drop: false }`
[INFO] [stdout] 5620f9938cbebb9c62dfd20fb6f0c4bcb2f045adf777a2ddcb1eebf5a9ae5312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca59c6ea1c2984698d51ab50b976e36062a9e64ca778011592cbd12e80d2d58a
[INFO] running `Command { std: "docker" "start" "-a" "ca59c6ea1c2984698d51ab50b976e36062a9e64ca778011592cbd12e80d2d58a", kill_on_drop: false }`
[INFO] [stderr]     Checking lx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/spawn.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if let Err(err) = execve(arg.filename, arg.argv, arg.envp) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/spawn.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if let Err(err) = execve(arg.filename, arg.argv, arg.envp) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]   --> src/syscalls/clone.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |         "1:",
[INFO] [stdout]    |          ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: start numbering with `2` instead
[INFO] [stdout]    = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]    = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout]    = note: `#[deny(binary_asm_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]    --> src/syscalls/clone.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 |         "1:",
[INFO] [stdout]     |          ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: start numbering with `2` instead
[INFO] [stdout]     = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]     = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]   --> src/syscalls/clone.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |         "1:",
[INFO] [stdout]    |          ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: start numbering with `2` instead
[INFO] [stdout]    = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]    = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout]    = note: `#[deny(binary_asm_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: avoid using labels containing only the digits `0` and `1` in inline assembly
[INFO] [stdout]    --> src/syscalls/clone.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 |         "1:",
[INFO] [stdout]     |          ^ use a different label that doesn't start with `0` or `1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: start numbering with `2` instead
[INFO] [stdout]     = note: an LLVM bug makes these labels ambiguous with a binary literal number on x86
[INFO] [stdout]     = note: see <https://github.com/llvm/llvm-project/issues/99547> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lx` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lx` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ca59c6ea1c2984698d51ab50b976e36062a9e64ca778011592cbd12e80d2d58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca59c6ea1c2984698d51ab50b976e36062a9e64ca778011592cbd12e80d2d58a", kill_on_drop: false }`
[INFO] [stdout] ca59c6ea1c2984698d51ab50b976e36062a9e64ca778011592cbd12e80d2d58a
