[INFO] fetching crate laminar-ffi 0.0.1...
[INFO] checking laminar-ffi-0.0.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate laminar-ffi 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate laminar-ffi 0.0.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate laminar-ffi 0.0.1
[INFO] finished tweaking crates.io crate laminar-ffi 0.0.1
[INFO] tweaked toml for crates.io crate laminar-ffi 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded laminar v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eace41a538c1345c7c0d2671dd52157451c26bb9a6420836a88d3b857c668f76
[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" "eace41a538c1345c7c0d2671dd52157451c26bb9a6420836a88d3b857c668f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eace41a538c1345c7c0d2671dd52157451c26bb9a6420836a88d3b857c668f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eace41a538c1345c7c0d2671dd52157451c26bb9a6420836a88d3b857c668f76", kill_on_drop: false }`
[INFO] [stdout] eace41a538c1345c7c0d2671dd52157451c26bb9a6420836a88d3b857c668f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78e204081d78eb9787cd1cc63fc2183f06f72b1507c2131f5d5fec19ec13bdf
[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" "d78e204081d78eb9787cd1cc63fc2183f06f72b1507c2131f5d5fec19ec13bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking laminar v0.1.0
[INFO] [stderr]     Checking laminar-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
[INFO] running `Command { std: "docker" "inspect" "d78e204081d78eb9787cd1cc63fc2183f06f72b1507c2131f5d5fec19ec13bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78e204081d78eb9787cd1cc63fc2183f06f72b1507c2131f5d5fec19ec13bdf", kill_on_drop: false }`
[INFO] [stdout] d78e204081d78eb9787cd1cc63fc2183f06f72b1507c2131f5d5fec19ec13bdf