[INFO] fetching crate admiral-derive 0.1.0...
[INFO] checking admiral-derive-0.1.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate admiral-derive 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate admiral-derive 0.1.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate admiral-derive 0.1.0
[INFO] finished tweaking crates.io crate admiral-derive 0.1.0
[INFO] tweaked toml for crates.io crate admiral-derive 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 admiral-types v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 445859fc49fc8b91bfab044d14ce57d81f3ab8487d42eb7a29d7a3f31a8b2e9f
[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" "445859fc49fc8b91bfab044d14ce57d81f3ab8487d42eb7a29d7a3f31a8b2e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "445859fc49fc8b91bfab044d14ce57d81f3ab8487d42eb7a29d7a3f31a8b2e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445859fc49fc8b91bfab044d14ce57d81f3ab8487d42eb7a29d7a3f31a8b2e9f", kill_on_drop: false }`
[INFO] [stdout] 445859fc49fc8b91bfab044d14ce57d81f3ab8487d42eb7a29d7a3f31a8b2e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--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] 54505b88826dadda446140b8eb96abfc7d87678d6c2193b109e9827cf59cb5b4
[INFO] running `Command { std: "docker" "start" "-a" "54505b88826dadda446140b8eb96abfc7d87678d6c2193b109e9827cf59cb5b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking admiral-types v0.1.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking admiral-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_stmt_start_span`
[INFO] [stdout]   --> src/lib.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let (last_stmt_start_span, last_stmt_end_span) = {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_stmt_start_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn rust_decorator_fn(args: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_stmt_start_span`
[INFO] [stdout]   --> src/lib.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let (last_stmt_start_span, last_stmt_end_span) = {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_stmt_start_span`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/lib.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn rust_decorator_fn(args: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut func: ItemFn = syn::parse(input).unwrap();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut func: ItemFn = syn::parse(input).unwrap();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "54505b88826dadda446140b8eb96abfc7d87678d6c2193b109e9827cf59cb5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54505b88826dadda446140b8eb96abfc7d87678d6c2193b109e9827cf59cb5b4", kill_on_drop: false }`
[INFO] [stdout] 54505b88826dadda446140b8eb96abfc7d87678d6c2193b109e9827cf59cb5b4