[INFO] fetching crate piston 0.53.0...
[INFO] testing piston-0.53.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate piston 0.53.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate piston 0.53.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston 0.53.0
[INFO] finished tweaking crates.io crate piston 0.53.0
[INFO] tweaked toml for crates.io crate piston 0.53.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b095ba733293a3277bc0e06e089c909545cfd9e30232e55e666efc3f3cb7ae24
[INFO] running `Command { std: "docker" "start" "-a" "b095ba733293a3277bc0e06e089c909545cfd9e30232e55e666efc3f3cb7ae24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b095ba733293a3277bc0e06e089c909545cfd9e30232e55e666efc3f3cb7ae24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b095ba733293a3277bc0e06e089c909545cfd9e30232e55e666efc3f3cb7ae24", kill_on_drop: false }`
[INFO] [stdout] b095ba733293a3277bc0e06e089c909545cfd9e30232e55e666efc3f3cb7ae24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08dc2caf4926c15923c6406589019d49344cc169d65cd4d16d194d5a88346b29
[INFO] running `Command { std: "docker" "start" "-a" "08dc2caf4926c15923c6406589019d49344cc169d65cd4d16d194d5a88346b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.53.0
[INFO] [stderr]    Compiling piston v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "08dc2caf4926c15923c6406589019d49344cc169d65cd4d16d194d5a88346b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dc2caf4926c15923c6406589019d49344cc169d65cd4d16d194d5a88346b29", kill_on_drop: false }`
[INFO] [stdout] 08dc2caf4926c15923c6406589019d49344cc169d65cd4d16d194d5a88346b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3856481d91c1dac96cadfee1af3748e8f557814d5e9931c8477ad95b0ba662d2
[INFO] running `Command { std: "docker" "start" "-a" "3856481d91c1dac96cadfee1af3748e8f557814d5e9931c8477ad95b0ba662d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "3856481d91c1dac96cadfee1af3748e8f557814d5e9931c8477ad95b0ba662d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3856481d91c1dac96cadfee1af3748e8f557814d5e9931c8477ad95b0ba662d2", kill_on_drop: false }`
[INFO] [stdout] 3856481d91c1dac96cadfee1af3748e8f557814d5e9931c8477ad95b0ba662d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b267fb1e5a26cbddbd5ceee43c7fded9711bb8cadead42cc0dff6692bc20db4d
[INFO] running `Command { std: "docker" "start" "-a" "b267fb1e5a26cbddbd5ceee43c7fded9711bb8cadead42cc0dff6692bc20db4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piston-9ce60878428e98f1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests piston
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b267fb1e5a26cbddbd5ceee43c7fded9711bb8cadead42cc0dff6692bc20db4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b267fb1e5a26cbddbd5ceee43c7fded9711bb8cadead42cc0dff6692bc20db4d", kill_on_drop: false }`
[INFO] [stdout] b267fb1e5a26cbddbd5ceee43c7fded9711bb8cadead42cc0dff6692bc20db4d