[INFO] cloning repository https://github.com/tychedelia/rustrover_proc_macro_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tychedelia/rustrover_proc_macro_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychedelia%2Frustrover_proc_macro_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychedelia%2Frustrover_proc_macro_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1b351aff8d6edfa4c17cfe898b52279026f750d
[INFO] checking tychedelia/rustrover_proc_macro_bug against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychedelia%2Frustrover_proc_macro_bug" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tychedelia/rustrover_proc_macro_bug on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tychedelia/rustrover_proc_macro_bug
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/tychedelia/rustrover_proc_macro_bug
[INFO] tweaked toml for git repo https://github.com/tychedelia/rustrover_proc_macro_bug written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tychedelia/rustrover_proc_macro_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/4d207e79422395449bcc4fde52f88e19e66d1747fdaf0e0058c518972aef5074-init/merged/dev/shm: no space left on device
[INFO] checking tychedelia/rustrover_proc_macro_bug against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftychedelia%2Frustrover_proc_macro_bug" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tychedelia/rustrover_proc_macro_bug on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tychedelia/rustrover_proc_macro_bug
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/tychedelia/rustrover_proc_macro_bug
[INFO] tweaked toml for git repo https://github.com/tychedelia/rustrover_proc_macro_bug written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tychedelia/rustrover_proc_macro_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a1ee1afd27fb3de1db82a5ab357445a30f877b5d2d013560aa8cd22a6425db5
[INFO] running `Command { std: "docker" "start" "-a" "6a1ee1afd27fb3de1db82a5ab357445a30f877b5d2d013560aa8cd22a6425db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1ee1afd27fb3de1db82a5ab357445a30f877b5d2d013560aa8cd22a6425db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1ee1afd27fb3de1db82a5ab357445a30f877b5d2d013560aa8cd22a6425db5", kill_on_drop: false }`
[INFO] [stdout] 6a1ee1afd27fb3de1db82a5ab357445a30f877b5d2d013560aa8cd22a6425db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05dfa155c6fbe6472a689eaadd83f9662d485fb394dd76f0cb5f892f3fcfa518
[INFO] running `Command { std: "docker" "start" "-a" "05dfa155c6fbe6472a689eaadd83f9662d485fb394dd76f0cb5f892f3fcfa518", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.75
[INFO] [stderr]     Checking rustrover_proc_macro_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/lib.rs:3:84
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{parse_macro_input, DeriveInput, Ident, parse::Parse, parse::ParseStream, Token, parenthesized};
[INFO] [stdout]   |                                                                                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/lib.rs:3:84
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{parse_macro_input, DeriveInput, Ident, parse::Parse, parse::ParseStream, Token, parenthesized};
[INFO] [stdout]   |                                                                                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/lib.rs:3:84
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{parse_macro_input, DeriveInput, Ident, parse::Parse, parse::ParseStream, Token, parenthesized};
[INFO] [stdout]   |                                                                                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct AnotherStruct(u32);
[INFO] [stdout]    |        ------------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "05dfa155c6fbe6472a689eaadd83f9662d485fb394dd76f0cb5f892f3fcfa518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dfa155c6fbe6472a689eaadd83f9662d485fb394dd76f0cb5f892f3fcfa518", kill_on_drop: false }`
[INFO] [stdout] 05dfa155c6fbe6472a689eaadd83f9662d485fb394dd76f0cb5f892f3fcfa518