[INFO] fetching crate building_blocks_core 0.7.0...
[INFO] checking building_blocks_core-0.7.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate building_blocks_core 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate building_blocks_core 0.7.0 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 building_blocks_core 0.7.0
[INFO] finished tweaking crates.io crate building_blocks_core 0.7.0
[INFO] tweaked toml for crates.io crate building_blocks_core 0.7.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fb75091294e724fa2108b2d392e93cc0888e58174b3c23409269ead87c0b3543
[INFO] running `Command { std: "docker" "start" "-a" "fb75091294e724fa2108b2d392e93cc0888e58174b3c23409269ead87c0b3543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb75091294e724fa2108b2d392e93cc0888e58174b3c23409269ead87c0b3543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb75091294e724fa2108b2d392e93cc0888e58174b3c23409269ead87c0b3543", kill_on_drop: false }`
[INFO] [stdout] fb75091294e724fa2108b2d392e93cc0888e58174b3c23409269ead87c0b3543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 312f58de6679c531a48923114dde7ed17e1264bda0e32c1549b1a5112db36329
[INFO] running `Command { std: "docker" "start" "-a" "312f58de6679c531a48923114dde7ed17e1264bda0e32c1549b1a5112db36329", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-bigint v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking building_blocks_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "312f58de6679c531a48923114dde7ed17e1264bda0e32c1549b1a5112db36329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312f58de6679c531a48923114dde7ed17e1264bda0e32c1549b1a5112db36329", kill_on_drop: false }`
[INFO] [stdout] 312f58de6679c531a48923114dde7ed17e1264bda0e32c1549b1a5112db36329