[INFO] fetching crate futures-io 0.3.15...
[INFO] checking futures-io-0.3.15 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate futures-io 0.3.15 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate futures-io 0.3.15 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-io 0.3.15
[INFO] finished tweaking crates.io crate futures-io 0.3.15
[INFO] tweaked toml for crates.io crate futures-io 0.3.15 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdabfb024c8415be1c16b3e6d6f1d2cb7792b9adb687eabdb8941fdd75efb3ba
[INFO] running `Command { std: "docker" "start" "-a" "cdabfb024c8415be1c16b3e6d6f1d2cb7792b9adb687eabdb8941fdd75efb3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdabfb024c8415be1c16b3e6d6f1d2cb7792b9adb687eabdb8941fdd75efb3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdabfb024c8415be1c16b3e6d6f1d2cb7792b9adb687eabdb8941fdd75efb3ba", kill_on_drop: false }`
[INFO] [stdout] cdabfb024c8415be1c16b3e6d6f1d2cb7792b9adb687eabdb8941fdd75efb3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b7174d4760c2277b32f0e794909b9b00a2606b5ac75ffe2fa7082b581dd817
[INFO] running `Command { std: "docker" "start" "-a" "86b7174d4760c2277b32f0e794909b9b00a2606b5ac75ffe2fa7082b581dd817", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "86b7174d4760c2277b32f0e794909b9b00a2606b5ac75ffe2fa7082b581dd817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b7174d4760c2277b32f0e794909b9b00a2606b5ac75ffe2fa7082b581dd817", kill_on_drop: false }`
[INFO] [stdout] 86b7174d4760c2277b32f0e794909b9b00a2606b5ac75ffe2fa7082b581dd817