[INFO] fetching crate cascade 1.0.0...
[INFO] testing cascade-1.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cascade 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cascade 1.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cascade 1.0.0
[INFO] finished tweaking crates.io crate cascade 1.0.0
[INFO] tweaked toml for crates.io crate cascade 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cascade 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff47efb7f14339cb7e7e3050bf4129eed6b897775d1c05da763e5742f27b648
[INFO] running `Command { std: "docker" "start" "-a" "bff47efb7f14339cb7e7e3050bf4129eed6b897775d1c05da763e5742f27b648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff47efb7f14339cb7e7e3050bf4129eed6b897775d1c05da763e5742f27b648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff47efb7f14339cb7e7e3050bf4129eed6b897775d1c05da763e5742f27b648", kill_on_drop: false }`
[INFO] [stdout] bff47efb7f14339cb7e7e3050bf4129eed6b897775d1c05da763e5742f27b648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0497fc868536653c803895135b97f8f51685497efdc36590783ee8aac86cc1dd
[INFO] running `Command { std: "docker" "start" "-a" "0497fc868536653c803895135b97f8f51685497efdc36590783ee8aac86cc1dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cascade v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "0497fc868536653c803895135b97f8f51685497efdc36590783ee8aac86cc1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0497fc868536653c803895135b97f8f51685497efdc36590783ee8aac86cc1dd", kill_on_drop: false }`
[INFO] [stdout] 0497fc868536653c803895135b97f8f51685497efdc36590783ee8aac86cc1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d693383c6f7b050ccb250406145b8c0a1c0770755fee2d1231a5dfebba198479
[INFO] running `Command { std: "docker" "start" "-a" "d693383c6f7b050ccb250406145b8c0a1c0770755fee2d1231a5dfebba198479", kill_on_drop: false }`
[INFO] [stderr]    Compiling cascade v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d693383c6f7b050ccb250406145b8c0a1c0770755fee2d1231a5dfebba198479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d693383c6f7b050ccb250406145b8c0a1c0770755fee2d1231a5dfebba198479", kill_on_drop: false }`
[INFO] [stdout] d693383c6f7b050ccb250406145b8c0a1c0770755fee2d1231a5dfebba198479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1c53eb7c6c848c925a57180231bc60a2cd7695398358d1c455fc5a62c54482e
[INFO] running `Command { std: "docker" "start" "-a" "d1c53eb7c6c848c925a57180231bc60a2cd7695398358d1c455fc5a62c54482e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cascade-960790c3be1894b9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cascade
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - cascade (line 58) ... ok
[INFO] [stdout] test src/lib.rs - cascade (line 11) ... ok
[INFO] [stdout] test src/lib.rs - cascade (line 28) ... ok
[INFO] [stdout] test src/lib.rs - cascade (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1c53eb7c6c848c925a57180231bc60a2cd7695398358d1c455fc5a62c54482e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c53eb7c6c848c925a57180231bc60a2cd7695398358d1c455fc5a62c54482e", kill_on_drop: false }`
[INFO] [stdout] d1c53eb7c6c848c925a57180231bc60a2cd7695398358d1c455fc5a62c54482e