[INFO] fetching crate neon-macros 1.1.0-alpha.1...
[INFO] checking neon-macros-1.1.0-alpha.1 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] extracting crate neon-macros 1.1.0-alpha.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate neon-macros 1.1.0-alpha.1 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neon-macros 1.1.0-alpha.1
[INFO] finished tweaking crates.io crate neon-macros 1.1.0-alpha.1
[INFO] tweaked toml for crates.io crate neon-macros 1.1.0-alpha.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc7a15142db71f49012090db18613fa7c0ab3f611e7255598b11073a947238d
[INFO] running `Command { std: "docker" "start" "-a" "ddc7a15142db71f49012090db18613fa7c0ab3f611e7255598b11073a947238d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc7a15142db71f49012090db18613fa7c0ab3f611e7255598b11073a947238d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc7a15142db71f49012090db18613fa7c0ab3f611e7255598b11073a947238d", kill_on_drop: false }`
[INFO] [stdout] ddc7a15142db71f49012090db18613fa7c0ab3f611e7255598b11073a947238d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654e5d35962018ba5187635887534cfe3eb380e4cee3273259472bb4add34d14
[INFO] running `Command { std: "docker" "start" "-a" "654e5d35962018ba5187635887534cfe3eb380e4cee3273259472bb4add34d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaRDCIG5/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "654e5d35962018ba5187635887534cfe3eb380e4cee3273259472bb4add34d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654e5d35962018ba5187635887534cfe3eb380e4cee3273259472bb4add34d14", kill_on_drop: false }`
[INFO] [stdout] 654e5d35962018ba5187635887534cfe3eb380e4cee3273259472bb4add34d14