[INFO] fetching crate smol-attributes 0.1.0...
[INFO] checking smol-attributes-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate smol-attributes 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate smol-attributes 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate smol-attributes 0.1.0
[INFO] finished tweaking crates.io crate smol-attributes 0.1.0
[INFO] tweaked toml for crates.io crate smol-attributes 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate smol-attributes 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol v0.0.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff0a6be169423f8a3311701d68ee0137260eca025b92257142eec0ce8cba464e
[INFO] running `"docker" "start" "-a" "ff0a6be169423f8a3311701d68ee0137260eca025b92257142eec0ce8cba464e"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking smol v0.0.1
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking syn v1.0.17
[INFO] [stderr]     Checking smol-attributes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find function `block_on` in crate `smol`
[INFO] [stderr]  --> benches/basic.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[smol_attributes::bench]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `smol`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `smol-attributes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `smol::Task`
[INFO] [stderr]  --> examples/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use smol::Task;
[INFO] [stderr]   |     ^^^^^^^^^^ no `Task` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `run` in crate `smol`
[INFO] [stderr]  --> examples/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[smol_attributes::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ not found in `smol`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `run` in crate `smol`
[INFO] [stderr]  --> tests/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[smol_attributes::test]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ not found in `smol`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `smol-attributes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `smol-attributes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ff0a6be169423f8a3311701d68ee0137260eca025b92257142eec0ce8cba464e"`
[INFO] running `"docker" "rm" "-f" "ff0a6be169423f8a3311701d68ee0137260eca025b92257142eec0ce8cba464e"`
[INFO] [stdout] ff0a6be169423f8a3311701d68ee0137260eca025b92257142eec0ce8cba464e