[INFO] fetching crate stacking-iterator 1.0.0...
[INFO] building stacking-iterator-1.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate stacking-iterator 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate stacking-iterator 1.0.0
[INFO] finished tweaking crates.io crate stacking-iterator 1.0.0
[INFO] tweaked toml for crates.io crate stacking-iterator 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacking-iterator 1.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1db2e0bd8e039d2863d5df4168713fe0f0d5df6e3a66f07c92fef5664de67c13
[INFO] running `Command { std: "docker" "start" "-a" "1db2e0bd8e039d2863d5df4168713fe0f0d5df6e3a66f07c92fef5664de67c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db2e0bd8e039d2863d5df4168713fe0f0d5df6e3a66f07c92fef5664de67c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db2e0bd8e039d2863d5df4168713fe0f0d5df6e3a66f07c92fef5664de67c13", kill_on_drop: false }`
[INFO] [stdout] 1db2e0bd8e039d2863d5df4168713fe0f0d5df6e3a66f07c92fef5664de67c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d874100ef60f6c03c6a33f7d4123f6f0d6b4eff5008f5260c8f03f70a66315
[INFO] running `Command { std: "docker" "start" "-a" "b6d874100ef60f6c03c6a33f7d4123f6f0d6b4eff5008f5260c8f03f70a66315", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacking-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b6d874100ef60f6c03c6a33f7d4123f6f0d6b4eff5008f5260c8f03f70a66315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d874100ef60f6c03c6a33f7d4123f6f0d6b4eff5008f5260c8f03f70a66315", kill_on_drop: false }`
[INFO] [stdout] b6d874100ef60f6c03c6a33f7d4123f6f0d6b4eff5008f5260c8f03f70a66315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3eada91fb402d84034a5002223dd2d211ba69c3ba8540f213eb472aef81057
[INFO] running `Command { std: "docker" "start" "-a" "3c3eada91fb402d84034a5002223dd2d211ba69c3ba8540f213eb472aef81057", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacking-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3c3eada91fb402d84034a5002223dd2d211ba69c3ba8540f213eb472aef81057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3eada91fb402d84034a5002223dd2d211ba69c3ba8540f213eb472aef81057", kill_on_drop: false }`
[INFO] [stdout] 3c3eada91fb402d84034a5002223dd2d211ba69c3ba8540f213eb472aef81057