[INFO] fetching crate ai-descriptor 0.10.0...
[INFO] checking ai-descriptor-0.10.0 against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] extracting crate ai-descriptor 0.10.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ai-descriptor 0.10.0 on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ai-descriptor 0.10.0
[INFO] finished tweaking crates.io crate ai-descriptor 0.10.0
[INFO] tweaked toml for crates.io crate ai-descriptor 0.10.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plural-trait v0.1.0
[INFO] [stderr]   Downloaded export-magic v0.3.6
[INFO] [stderr]   Downloaded plural-derive v0.1.0
[INFO] [stderr]   Downloaded ai-descriptor-derive v0.5.0
[INFO] [stderr]   Downloaded ai-descriptor-trait v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42217a632d3f981b9bbdf7d06d6bb2570f871da63a287a499c9ba3f8bcf9c96a
[INFO] running `Command { std: "docker" "start" "-a" "42217a632d3f981b9bbdf7d06d6bb2570f871da63a287a499c9ba3f8bcf9c96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42217a632d3f981b9bbdf7d06d6bb2570f871da63a287a499c9ba3f8bcf9c96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42217a632d3f981b9bbdf7d06d6bb2570f871da63a287a499c9ba3f8bcf9c96a", kill_on_drop: false }`
[INFO] [stdout] 42217a632d3f981b9bbdf7d06d6bb2570f871da63a287a499c9ba3f8bcf9c96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 963611fe18b246b817231ad2be209b38b0381710606284caa76ae24de860f0af
[INFO] running `Command { std: "docker" "start" "-a" "963611fe18b246b817231ad2be209b38b0381710606284caa76ae24de860f0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]     Checking ai-descriptor-trait v0.3.0
[INFO] [stderr]     Checking plural-trait v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling plural-derive v0.1.0
[INFO] [stderr]    Compiling ai-descriptor-derive v0.5.0
[INFO] [stderr]     Checking ai-descriptor v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "963611fe18b246b817231ad2be209b38b0381710606284caa76ae24de860f0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963611fe18b246b817231ad2be209b38b0381710606284caa76ae24de860f0af", kill_on_drop: false }`
[INFO] [stdout] 963611fe18b246b817231ad2be209b38b0381710606284caa76ae24de860f0af