[INFO] fetching crate ink_storage 3.0.0-rc4...
[INFO] checking ink_storage-3.0.0-rc4 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate ink_storage 3.0.0-rc4 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate ink_storage 3.0.0-rc4 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ink_storage 3.0.0-rc4
[INFO] finished tweaking crates.io crate ink_storage 3.0.0-rc4
[INFO] tweaked toml for crates.io crate ink_storage 3.0.0-rc4 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded sp-debug-derive v3.0.0
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded integer-sqrt v0.1.5
[INFO] [stderr]   Downloaded ink_prelude v3.0.0-rc4
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded scale-info-derive v0.4.0
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded ink_allocator v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_metadata v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_primitives v3.0.0-rc4
[INFO] [stderr]   Downloaded impl-serde v0.3.1
[INFO] [stderr]   Downloaded ink_env v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_storage_derive v3.0.0-rc4
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded scale-info v0.6.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.2.0
[INFO] [stderr]   Downloaded ink_engine v3.0.0-rc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35225c2f2eb07e73bf7981a7e23a908189150993c99f9935ff10d4f40fa0eed0
[INFO] running `Command { std: "docker" "start" "-a" "35225c2f2eb07e73bf7981a7e23a908189150993c99f9935ff10d4f40fa0eed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35225c2f2eb07e73bf7981a7e23a908189150993c99f9935ff10d4f40fa0eed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35225c2f2eb07e73bf7981a7e23a908189150993c99f9935ff10d4f40fa0eed0", kill_on_drop: false }`
[INFO] [stdout] 35225c2f2eb07e73bf7981a7e23a908189150993c99f9935ff10d4f40fa0eed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb54e1545a9f9de88fa5c052e86169eb39e37b26e6fe8cadeb845105a33b054e
[INFO] running `Command { std: "docker" "start" "-a" "eb54e1545a9f9de88fa5c052e86169eb39e37b26e6fe8cadeb845105a33b054e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "eb54e1545a9f9de88fa5c052e86169eb39e37b26e6fe8cadeb845105a33b054e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb54e1545a9f9de88fa5c052e86169eb39e37b26e6fe8cadeb845105a33b054e", kill_on_drop: false }`
[INFO] [stdout] eb54e1545a9f9de88fa5c052e86169eb39e37b26e6fe8cadeb845105a33b054e