[INFO] fetching crate cast6 0.0.0...
[INFO] testing cast6-0.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cast6 0.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cast6 0.0.0 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 cast6 0.0.0
[INFO] finished tweaking crates.io crate cast6 0.0.0
[INFO] tweaked toml for crates.io crate cast6 0.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e9763c39c94f6d6ae09f8d2ed93334b6eba8604695d31fbe3d614a962264aab6
[INFO] running `Command { std: "docker" "start" "-a" "e9763c39c94f6d6ae09f8d2ed93334b6eba8604695d31fbe3d614a962264aab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9763c39c94f6d6ae09f8d2ed93334b6eba8604695d31fbe3d614a962264aab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9763c39c94f6d6ae09f8d2ed93334b6eba8604695d31fbe3d614a962264aab6", kill_on_drop: false }`
[INFO] [stdout] e9763c39c94f6d6ae09f8d2ed93334b6eba8604695d31fbe3d614a962264aab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 46b53e155566b81226f8254634fc9f6e8205a7fa19a5e9863d5d0d0e64abdcc3
[INFO] running `Command { std: "docker" "start" "-a" "46b53e155566b81226f8254634fc9f6e8205a7fa19a5e9863d5d0d0e64abdcc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast6 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "46b53e155566b81226f8254634fc9f6e8205a7fa19a5e9863d5d0d0e64abdcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b53e155566b81226f8254634fc9f6e8205a7fa19a5e9863d5d0d0e64abdcc3", kill_on_drop: false }`
[INFO] [stdout] 46b53e155566b81226f8254634fc9f6e8205a7fa19a5e9863d5d0d0e64abdcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 7ade3623d4ca974b3644e3ee660e4ef82bc62e6c2cbe42d6c3ff3bcb928d53e4
[INFO] running `Command { std: "docker" "start" "-a" "7ade3623d4ca974b3644e3ee660e4ef82bc62e6c2cbe42d6c3ff3bcb928d53e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast6 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "7ade3623d4ca974b3644e3ee660e4ef82bc62e6c2cbe42d6c3ff3bcb928d53e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ade3623d4ca974b3644e3ee660e4ef82bc62e6c2cbe42d6c3ff3bcb928d53e4", kill_on_drop: false }`
[INFO] [stdout] 7ade3623d4ca974b3644e3ee660e4ef82bc62e6c2cbe42d6c3ff3bcb928d53e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 479202475b0ee3251ac540f61494ab107287c13e0d758b6a62ba8fbf5057650e
[INFO] running `Command { std: "docker" "start" "-a" "479202475b0ee3251ac540f61494ab107287c13e0d758b6a62ba8fbf5057650e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cast6-2812a1f7a3d5a4d8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cast6
[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 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" "479202475b0ee3251ac540f61494ab107287c13e0d758b6a62ba8fbf5057650e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479202475b0ee3251ac540f61494ab107287c13e0d758b6a62ba8fbf5057650e", kill_on_drop: false }`
[INFO] [stdout] 479202475b0ee3251ac540f61494ab107287c13e0d758b6a62ba8fbf5057650e