[INFO] fetching crate import_generated_code 0.1.0...
[INFO] testing import_generated_code-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate import_generated_code 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate import_generated_code 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate import_generated_code 0.1.0
[INFO] finished tweaking crates.io crate import_generated_code 0.1.0
[INFO] tweaked toml for crates.io crate import_generated_code 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 906f8c118f86aa8073ed8c673cc40f55dda9e327c855529d4f8d71dc392e061c
[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" "906f8c118f86aa8073ed8c673cc40f55dda9e327c855529d4f8d71dc392e061c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "906f8c118f86aa8073ed8c673cc40f55dda9e327c855529d4f8d71dc392e061c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906f8c118f86aa8073ed8c673cc40f55dda9e327c855529d4f8d71dc392e061c", kill_on_drop: false }`
[INFO] [stdout] 906f8c118f86aa8073ed8c673cc40f55dda9e327c855529d4f8d71dc392e061c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c015617b1fda5eebc7c8b4c42d56305a73c6038cbb428482f68ab1bcdbd42a
[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" "b4c015617b1fda5eebc7c8b4c42d56305a73c6038cbb428482f68ab1bcdbd42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling import_generated_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/lib.rs:8:56
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{parse_macro_input, Expr, Ident, Lit, Result, Token};
[INFO] [stdout]   |                                                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 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 `import_generated_code` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b4c015617b1fda5eebc7c8b4c42d56305a73c6038cbb428482f68ab1bcdbd42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c015617b1fda5eebc7c8b4c42d56305a73c6038cbb428482f68ab1bcdbd42a", kill_on_drop: false }`
[INFO] [stdout] b4c015617b1fda5eebc7c8b4c42d56305a73c6038cbb428482f68ab1bcdbd42a
