[INFO] fetching crate liblinux 0.2.0...
[INFO] testing liblinux-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate liblinux 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate liblinux 0.2.0
[INFO] finished tweaking crates.io crate liblinux 0.2.0
[INFO] tweaked toml for crates.io crate liblinux 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liblinux 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1147fb2d0ba0f25b23788afb3a0ff1758b30d9bd8884bf3f9087a4262e5b3bbd
[INFO] running `Command { std: "docker" "start" "-a" "1147fb2d0ba0f25b23788afb3a0ff1758b30d9bd8884bf3f9087a4262e5b3bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1147fb2d0ba0f25b23788afb3a0ff1758b30d9bd8884bf3f9087a4262e5b3bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1147fb2d0ba0f25b23788afb3a0ff1758b30d9bd8884bf3f9087a4262e5b3bbd", kill_on_drop: false }`
[INFO] [stdout] 1147fb2d0ba0f25b23788afb3a0ff1758b30d9bd8884bf3f9087a4262e5b3bbd
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc23b71554cea1fbc87c18a1cdf707fdc5ab0774543a33057ddeed4b0d5ed5e5
[INFO] running `Command { std: "docker" "start" "-a" "bc23b71554cea1fbc87c18a1cdf707fdc5ab0774543a33057ddeed4b0d5ed5e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblinux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/architecture/x86_64.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     asm!("syscall"
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> src/architecture/x86_64.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     asm!("syscall"
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `liblinux` (lib) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bc23b71554cea1fbc87c18a1cdf707fdc5ab0774543a33057ddeed4b0d5ed5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc23b71554cea1fbc87c18a1cdf707fdc5ab0774543a33057ddeed4b0d5ed5e5", kill_on_drop: false }`
[INFO] [stdout] bc23b71554cea1fbc87c18a1cdf707fdc5ab0774543a33057ddeed4b0d5ed5e5