[INFO] fetching crate admiral-derive 0.1.0...
[INFO] checking admiral-derive-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate admiral-derive 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate admiral-derive 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99b8b4d6bb0d0a6e5440d3a051480054a621285aa21132ea299dbc51773885e5
[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" "99b8b4d6bb0d0a6e5440d3a051480054a621285aa21132ea299dbc51773885e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b8b4d6bb0d0a6e5440d3a051480054a621285aa21132ea299dbc51773885e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b8b4d6bb0d0a6e5440d3a051480054a621285aa21132ea299dbc51773885e5", kill_on_drop: false }`
[INFO] [stdout] 99b8b4d6bb0d0a6e5440d3a051480054a621285aa21132ea299dbc51773885e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dea841d98c498e77799d5d2033ecd9ba9b3e3455b2551b25a625d57b1b53550
[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" "7dea841d98c498e77799d5d2033ecd9ba9b3e3455b2551b25a625d57b1b53550", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking proc-macro2 v1.0.32
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]    Compiling rustc-test v0.3.1
[INFO] [stderr]     Checking admiral-types v0.1.0
[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: 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: 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: 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 10.19s
[INFO] running `Command { std: "docker" "inspect" "7dea841d98c498e77799d5d2033ecd9ba9b3e3455b2551b25a625d57b1b53550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dea841d98c498e77799d5d2033ecd9ba9b3e3455b2551b25a625d57b1b53550", kill_on_drop: false }`
[INFO] [stdout] 7dea841d98c498e77799d5d2033ecd9ba9b3e3455b2551b25a625d57b1b53550