[INFO] fetching crate async_kraken 0.1.3...
[INFO] checking async_kraken-0.1.3 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate async_kraken 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async_kraken 0.1.3 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_kraken 0.1.3
[INFO] finished tweaking crates.io crate async_kraken 0.1.3
[INFO] tweaked toml for crates.io crate async_kraken 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async_kraken 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27e02603121050f3f2bb6e828d7b3c9a8499d8287727a60353b89caa6e23f926
[INFO] running `Command { std: "docker" "start" "-a" "27e02603121050f3f2bb6e828d7b3c9a8499d8287727a60353b89caa6e23f926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e02603121050f3f2bb6e828d7b3c9a8499d8287727a60353b89caa6e23f926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e02603121050f3f2bb6e828d7b3c9a8499d8287727a60353b89caa6e23f926", kill_on_drop: false }`
[INFO] [stdout] 27e02603121050f3f2bb6e828d7b3c9a8499d8287727a60353b89caa6e23f926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce02f2c65f4484c6eb4e835dacd8a46336433fb4ba03e90ca40ae44494d64f23
[INFO] running `Command { std: "docker" "start" "-a" "ce02f2c65f4484c6eb4e835dacd8a46336433fb4ba03e90ca40ae44494d64f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling ctor v0.1.20
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[INFO] [stderr]     Checking async_kraken v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.96s
[INFO] running `Command { std: "docker" "inspect" "ce02f2c65f4484c6eb4e835dacd8a46336433fb4ba03e90ca40ae44494d64f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce02f2c65f4484c6eb4e835dacd8a46336433fb4ba03e90ca40ae44494d64f23", kill_on_drop: false }`
[INFO] [stdout] ce02f2c65f4484c6eb4e835dacd8a46336433fb4ba03e90ca40ae44494d64f23