[INFO] cloning repository https://github.com/fkohlgrueber/proc_macro_talk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkohlgrueber/proc_macro_talk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fproc_macro_talk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fproc_macro_talk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1552175c29df47788b3e05d9c06324ae65d9c59c
[INFO] checking fkohlgrueber/proc_macro_talk against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fproc_macro_talk" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkohlgrueber/proc_macro_talk on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fkohlgrueber/proc_macro_talk
[INFO] finished tweaking git repo https://github.com/fkohlgrueber/proc_macro_talk
[INFO] tweaked toml for git repo https://github.com/fkohlgrueber/proc_macro_talk written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/fkohlgrueber/proc_macro_talk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f8249a6a7b6ad4b5367277856108abe1692efb36a294ae788ca4f1b6cf068f
[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" "00f8249a6a7b6ad4b5367277856108abe1692efb36a294ae788ca4f1b6cf068f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f8249a6a7b6ad4b5367277856108abe1692efb36a294ae788ca4f1b6cf068f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f8249a6a7b6ad4b5367277856108abe1692efb36a294ae788ca4f1b6cf068f", kill_on_drop: false }`
[INFO] [stdout] 00f8249a6a7b6ad4b5367277856108abe1692efb36a294ae788ca4f1b6cf068f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185320ef0b21f7b855959b9cae405c0941380a93ea5d88d407f540298b84e3e8
[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" "185320ef0b21f7b855959b9cae405c0941380a93ea5d88d407f540298b84e3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking grammar-macro v0.1.0 (/opt/rustwide/workdir/grammar-macro)
[INFO] [stdout] warning: field is never read: `eq_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     eq_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     paren_token: syn::token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     eq_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     paren_token: syn::token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     eq_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]   --> grammar-macro/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     paren_token: syn::token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "185320ef0b21f7b855959b9cae405c0941380a93ea5d88d407f540298b84e3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185320ef0b21f7b855959b9cae405c0941380a93ea5d88d407f540298b84e3e8", kill_on_drop: false }`
[INFO] [stdout] 185320ef0b21f7b855959b9cae405c0941380a93ea5d88d407f540298b84e3e8