[INFO] fetching crate block_device 0.1.2...
[INFO] building block_device-0.1.2 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate block_device 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate block_device 0.1.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block_device 0.1.2
[INFO] finished tweaking crates.io crate block_device 0.1.2
[INFO] tweaked toml for crates.io crate block_device 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec0709820433e58154b29259891c688d7ce48e186f0a2894e1f315ed5c03940d
[INFO] running `Command { std: "docker" "start" "-a" "ec0709820433e58154b29259891c688d7ce48e186f0a2894e1f315ed5c03940d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0709820433e58154b29259891c688d7ce48e186f0a2894e1f315ed5c03940d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0709820433e58154b29259891c688d7ce48e186f0a2894e1f315ed5c03940d", kill_on_drop: false }`
[INFO] [stdout] ec0709820433e58154b29259891c688d7ce48e186f0a2894e1f315ed5c03940d
[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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ab2a1f262b7b3d8b36ec7122d4685463bc5ed4421e41091c0f21ca241a475c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98ab2a1f262b7b3d8b36ec7122d4685463bc5ed4421e41091c0f21ca241a475c", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "98ab2a1f262b7b3d8b36ec7122d4685463bc5ed4421e41091c0f21ca241a475c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ab2a1f262b7b3d8b36ec7122d4685463bc5ed4421e41091c0f21ca241a475c", kill_on_drop: false }`
[INFO] [stdout] 98ab2a1f262b7b3d8b36ec7122d4685463bc5ed4421e41091c0f21ca241a475c
[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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10507f9b37f3e42824a989c664699f23f60fe753d93c58c60e98d9dba824edad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10507f9b37f3e42824a989c664699f23f60fe753d93c58c60e98d9dba824edad", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "10507f9b37f3e42824a989c664699f23f60fe753d93c58c60e98d9dba824edad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10507f9b37f3e42824a989c664699f23f60fe753d93c58c60e98d9dba824edad", kill_on_drop: false }`
[INFO] [stdout] 10507f9b37f3e42824a989c664699f23f60fe753d93c58c60e98d9dba824edad