[INFO] fetching crate proc-macro-kwargs 0.2.0...
[INFO] building proc-macro-kwargs-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate proc-macro-kwargs 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate proc-macro-kwargs 0.2.0
[INFO] finished tweaking crates.io crate proc-macro-kwargs 0.2.0
[INFO] tweaked toml for crates.io crate proc-macro-kwargs 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-kwargs 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad2c9e88f0dadcea2189cb3daeb51c5c9f1b7078c8ddaadbd1c668f64155319
[INFO] running `Command { std: "docker" "start" "-a" "6ad2c9e88f0dadcea2189cb3daeb51c5c9f1b7078c8ddaadbd1c668f64155319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad2c9e88f0dadcea2189cb3daeb51c5c9f1b7078c8ddaadbd1c668f64155319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad2c9e88f0dadcea2189cb3daeb51c5c9f1b7078c8ddaadbd1c668f64155319", kill_on_drop: false }`
[INFO] [stdout] 6ad2c9e88f0dadcea2189cb3daeb51c5c9f1b7078c8ddaadbd1c668f64155319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16727a318440b65297bb8594481e294783ecac40aa8dff516a2f2d2e1dc7416a
[INFO] running `Command { std: "docker" "start" "-a" "16727a318440b65297bb8594481e294783ecac40aa8dff516a2f2d2e1dc7416a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.2.0
[INFO] [stderr]    Compiling proc-macro-kwargs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "16727a318440b65297bb8594481e294783ecac40aa8dff516a2f2d2e1dc7416a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16727a318440b65297bb8594481e294783ecac40aa8dff516a2f2d2e1dc7416a", kill_on_drop: false }`
[INFO] [stdout] 16727a318440b65297bb8594481e294783ecac40aa8dff516a2f2d2e1dc7416a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c1aaba6eb24c3a2a9d661cb32f8a7a85abfca39d010bea95bdf328a2325a70
[INFO] running `Command { std: "docker" "start" "-a" "e9c1aaba6eb24c3a2a9d661cb32f8a7a85abfca39d010bea95bdf328a2325a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-kwargs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "e9c1aaba6eb24c3a2a9d661cb32f8a7a85abfca39d010bea95bdf328a2325a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c1aaba6eb24c3a2a9d661cb32f8a7a85abfca39d010bea95bdf328a2325a70", kill_on_drop: false }`
[INFO] [stdout] e9c1aaba6eb24c3a2a9d661cb32f8a7a85abfca39d010bea95bdf328a2325a70