[INFO] fetching crate librs 0.1.0...
[INFO] testing librs-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate librs 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate librs 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librs 0.1.0
[INFO] finished tweaking crates.io crate librs 0.1.0
[INFO] tweaked toml for crates.io crate librs 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 168a7908b78ed6e6e90ec4b3146943994a60c4e49a5bba4785a42c5eb87f98de
[INFO] running `Command { std: "docker" "start" "-a" "168a7908b78ed6e6e90ec4b3146943994a60c4e49a5bba4785a42c5eb87f98de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168a7908b78ed6e6e90ec4b3146943994a60c4e49a5bba4785a42c5eb87f98de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168a7908b78ed6e6e90ec4b3146943994a60c4e49a5bba4785a42c5eb87f98de", kill_on_drop: false }`
[INFO] [stdout] 168a7908b78ed6e6e90ec4b3146943994a60c4e49a5bba4785a42c5eb87f98de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8308bbd87c113565d10437737728d9b4e4503076e3ac3d09a97caa5aea08b6aa
[INFO] running `Command { std: "docker" "start" "-a" "8308bbd87c113565d10437737728d9b4e4503076e3ac3d09a97caa5aea08b6aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_type v0.1.3
[INFO] [stderr]    Compiling librs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> source/linux/syscall/amd64/caller.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     asm!
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> source/linux/syscall/amd64/caller.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     asm!
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> source/linux/syscall/amd64/caller.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     asm!
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> source/linux/syscall/amd64/caller.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     asm!
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> source/linux/syscall/amd64/caller.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     asm!
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> source/linux/syscall/amd64/caller.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     asm!
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> source/linux/syscall/amd64/caller.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     asm!
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> source/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(asm)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> source/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> source/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![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]   --> source/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(asm)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 1 warning 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 `librs` due to 11 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8308bbd87c113565d10437737728d9b4e4503076e3ac3d09a97caa5aea08b6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8308bbd87c113565d10437737728d9b4e4503076e3ac3d09a97caa5aea08b6aa", kill_on_drop: false }`
[INFO] [stdout] 8308bbd87c113565d10437737728d9b4e4503076e3ac3d09a97caa5aea08b6aa