[INFO] fetching crate tower-layer 0.3.1...
[INFO] checking tower-layer-0.3.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate tower-layer 0.3.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate tower-layer 0.3.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-layer 0.3.1
[INFO] finished tweaking crates.io crate tower-layer 0.3.1
[INFO] tweaked toml for crates.io crate tower-layer 0.3.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6af2128867054381f369f89c0ae54ea34779c9126988a54728ba5c251a3868
[INFO] running `Command { std: "docker" "start" "-a" "9f6af2128867054381f369f89c0ae54ea34779c9126988a54728ba5c251a3868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6af2128867054381f369f89c0ae54ea34779c9126988a54728ba5c251a3868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6af2128867054381f369f89c0ae54ea34779c9126988a54728ba5c251a3868", kill_on_drop: false }`
[INFO] [stdout] 9f6af2128867054381f369f89c0ae54ea34779c9126988a54728ba5c251a3868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af71d871963393034180deac15f952d0fb9bbe4091e807fa15d7eae3def14cc
[INFO] running `Command { std: "docker" "start" "-a" "6af71d871963393034180deac15f952d0fb9bbe4091e807fa15d7eae3def14cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tower-layer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.61s
[INFO] running `Command { std: "docker" "inspect" "6af71d871963393034180deac15f952d0fb9bbe4091e807fa15d7eae3def14cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af71d871963393034180deac15f952d0fb9bbe4091e807fa15d7eae3def14cc", kill_on_drop: false }`
[INFO] [stdout] 6af71d871963393034180deac15f952d0fb9bbe4091e807fa15d7eae3def14cc