[INFO] fetching crate alacritty_config_derive 0.1.0...
[INFO] checking alacritty_config_derive-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate alacritty_config_derive 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate alacritty_config_derive 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alacritty_config_derive 0.1.0
[INFO] finished tweaking crates.io crate alacritty_config_derive 0.1.0
[INFO] tweaked toml for crates.io crate alacritty_config_derive 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7b152876e1b66652f7aeaa143dab02a03ba2d39131fa248ac639107e5e9b00e
[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" "a7b152876e1b66652f7aeaa143dab02a03ba2d39131fa248ac639107e5e9b00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7b152876e1b66652f7aeaa143dab02a03ba2d39131fa248ac639107e5e9b00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b152876e1b66652f7aeaa143dab02a03ba2d39131fa248ac639107e5e9b00e", kill_on_drop: false }`
[INFO] [stdout] a7b152876e1b66652f7aeaa143dab02a03ba2d39131fa248ac639107e5e9b00e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 36031abd1fcfeb1ba782a748fc604850a31795bd2a4c3f756d0963a358f44aa8
[INFO] running `Command { std: "docker" "start" "-a" "36031abd1fcfeb1ba782a748fc604850a31795bd2a4c3f756d0963a358f44aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking alacritty_config_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stdout] warning: invalid `doc` attribute
[INFO] [stdout]   --> tests/config.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[doc("aaa")]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.41s
[INFO] running `Command { std: "docker" "inspect" "36031abd1fcfeb1ba782a748fc604850a31795bd2a4c3f756d0963a358f44aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36031abd1fcfeb1ba782a748fc604850a31795bd2a4c3f756d0963a358f44aa8", kill_on_drop: false }`
[INFO] [stdout] 36031abd1fcfeb1ba782a748fc604850a31795bd2a4c3f756d0963a358f44aa8