[INFO] fetching crate smol-attributes 0.1.3...
[INFO] testing smol-attributes-0.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate smol-attributes 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate smol-attributes 0.1.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smol-attributes 0.1.3
[INFO] finished tweaking crates.io crate smol-attributes 0.1.3
[INFO] tweaked toml for crates.io crate smol-attributes 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate smol-attributes 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piper v0.1.1
[INFO] [stderr]   Downloaded wepoll-binding v1.1.0
[INFO] [stderr]   Downloaded wepoll-sys v1.0.4
[INFO] [stderr]   Downloaded smol v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1904b0336acfca6a06b19cb4761985114c7a9ee9f635912b97ae326831bf9c98
[INFO] running `Command { std: "docker" "start" "-a" "1904b0336acfca6a06b19cb4761985114c7a9ee9f635912b97ae326831bf9c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1904b0336acfca6a06b19cb4761985114c7a9ee9f635912b97ae326831bf9c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1904b0336acfca6a06b19cb4761985114c7a9ee9f635912b97ae326831bf9c98", kill_on_drop: false }`
[INFO] [stdout] 1904b0336acfca6a06b19cb4761985114c7a9ee9f635912b97ae326831bf9c98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c477ec2527773ec22be4562080f03e4ffeb67673f8501c4eb16d75724c44959
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c477ec2527773ec22be4562080f03e4ffeb67673f8501c4eb16d75724c44959", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling piper v0.1.1
[INFO] [stderr]    Compiling smol v0.1.0
[INFO] [stderr]    Compiling smol-attributes v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `Command { std: "docker" "inspect" "6c477ec2527773ec22be4562080f03e4ffeb67673f8501c4eb16d75724c44959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c477ec2527773ec22be4562080f03e4ffeb67673f8501c4eb16d75724c44959", kill_on_drop: false }`
[INFO] [stdout] 6c477ec2527773ec22be4562080f03e4ffeb67673f8501c4eb16d75724c44959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d16c12f7c71928722a22f145ff4e7a6558cbdc1e555959355e42c45b84c53403
[INFO] running `Command { std: "docker" "start" "-a" "d16c12f7c71928722a22f145ff4e7a6558cbdc1e555959355e42c45b84c53403", kill_on_drop: false }`
[INFO] [stderr]    Compiling smol-attributes v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol_potat`
[INFO] [stdout]  --> tests/test.rs:1:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[smol_potat::test]
[INFO] [stdout]   |   ^^^^^^^^^^ use of undeclared crate or module `smol_potat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smol-attributes` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `smol_potat`
[INFO] [stdout]  --> examples/main.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[smol_potat::main]
[INFO] [stdout]   |   ^^^^^^^^^^ use of undeclared crate or module `smol_potat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d16c12f7c71928722a22f145ff4e7a6558cbdc1e555959355e42c45b84c53403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16c12f7c71928722a22f145ff4e7a6558cbdc1e555959355e42c45b84c53403", kill_on_drop: false }`
[INFO] [stdout] d16c12f7c71928722a22f145ff4e7a6558cbdc1e555959355e42c45b84c53403