[INFO] fetching crate ffi-pool 0.1.1...
[INFO] checking ffi-pool-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate ffi-pool 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ffi-pool 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffi-pool 0.1.1
[INFO] finished tweaking crates.io crate ffi-pool 0.1.1
[INFO] tweaked toml for crates.io crate ffi-pool 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objpool v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd0c8605698f947668c4f89beeb6a2fdae01c144d42d773b0f85eaf227f6fe18
[INFO] running `Command { std: "docker" "start" "-a" "dd0c8605698f947668c4f89beeb6a2fdae01c144d42d773b0f85eaf227f6fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0c8605698f947668c4f89beeb6a2fdae01c144d42d773b0f85eaf227f6fe18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0c8605698f947668c4f89beeb6a2fdae01c144d42d773b0f85eaf227f6fe18", kill_on_drop: false }`
[INFO] [stdout] dd0c8605698f947668c4f89beeb6a2fdae01c144d42d773b0f85eaf227f6fe18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f968c203fad357b19434ee1d68fa7d4a1fa68a0f10d5aa8b435474a96f1d44f
[INFO] running `Command { std: "docker" "start" "-a" "2f968c203fad357b19434ee1d68fa7d4a1fa68a0f10d5aa8b435474a96f1d44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking objpool v0.2.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking ffi-pool v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     lazy_static! {
[INFO] [stdout] 131 | |         static ref POOL: CStringPool = CStringPool::new(128);
[INFO] [stdout] 132 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "2f968c203fad357b19434ee1d68fa7d4a1fa68a0f10d5aa8b435474a96f1d44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f968c203fad357b19434ee1d68fa7d4a1fa68a0f10d5aa8b435474a96f1d44f", kill_on_drop: false }`
[INFO] [stdout] 2f968c203fad357b19434ee1d68fa7d4a1fa68a0f10d5aa8b435474a96f1d44f