[INFO] fetching crate better-sink 0.0.0...
[INFO] checking better-sink-0.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate better-sink 0.0.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate better-sink 0.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-sink 0.0.0
[INFO] finished tweaking crates.io crate better-sink 0.0.0
[INFO] tweaked toml for crates.io crate better-sink 0.0.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5e430df145bc3a914418f09b153509355844d4723ad4072bf0b76fe095fc574
[INFO] running `Command { std: "docker" "start" "-a" "e5e430df145bc3a914418f09b153509355844d4723ad4072bf0b76fe095fc574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e430df145bc3a914418f09b153509355844d4723ad4072bf0b76fe095fc574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e430df145bc3a914418f09b153509355844d4723ad4072bf0b76fe095fc574", kill_on_drop: false }`
[INFO] [stdout] e5e430df145bc3a914418f09b153509355844d4723ad4072bf0b76fe095fc574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f743818b42cd7236e7a8935b859dcc5bd3841ef0fccde61344af8811cc4afa1
[INFO] running `Command { std: "docker" "start" "-a" "0f743818b42cd7236e7a8935b859dcc5bd3841ef0fccde61344af8811cc4afa1", kill_on_drop: false }`
[INFO] [stderr]     Checking better-sink v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "0f743818b42cd7236e7a8935b859dcc5bd3841ef0fccde61344af8811cc4afa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f743818b42cd7236e7a8935b859dcc5bd3841ef0fccde61344af8811cc4afa1", kill_on_drop: false }`
[INFO] [stdout] 0f743818b42cd7236e7a8935b859dcc5bd3841ef0fccde61344af8811cc4afa1