[INFO] fetching crate gwd-backend-firefox 0.1.5...
[INFO] checking gwd-backend-firefox-0.1.5 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate gwd-backend-firefox 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gwd-backend-firefox 0.1.5 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gwd-backend-firefox 0.1.5
[INFO] finished tweaking crates.io crate gwd-backend-firefox 0.1.5
[INFO] tweaked toml for crates.io crate gwd-backend-firefox 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded godwit-daemon v0.1.10
[INFO] [stderr]   Downloaded getter-derive-rs v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 2af25ec2640b6e58de8519fe3a42641c08fe67857f466f38b2b1d22d3f2102f2
[INFO] running `Command { std: "docker" "start" "-a" "2af25ec2640b6e58de8519fe3a42641c08fe67857f466f38b2b1d22d3f2102f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af25ec2640b6e58de8519fe3a42641c08fe67857f466f38b2b1d22d3f2102f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af25ec2640b6e58de8519fe3a42641c08fe67857f466f38b2b1d22d3f2102f2", kill_on_drop: false }`
[INFO] [stdout] 2af25ec2640b6e58de8519fe3a42641c08fe67857f466f38b2b1d22d3f2102f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 86134c7f82b2c96e4a1a1927ce5f911cdfec7f0e2a0f49d9a6646866c6c1dc55
[INFO] running `Command { std: "docker" "start" "-a" "86134c7f82b2c96e4a1a1927ce5f911cdfec7f0e2a0f49d9a6646866c6c1dc55", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling serde v1.0.124
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[INFO] [stderr]    Compiling tracing-futures v0.2.5
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[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling godwit-daemon v0.1.10
[INFO] [stderr]     Checking gwd-backend-firefox v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `dyn Registrar`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | extern "C" fn register(registrar: &mut dyn Registrar) {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn Registrar`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 | extern "C" fn register(registrar: &mut dyn Registrar) {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "86134c7f82b2c96e4a1a1927ce5f911cdfec7f0e2a0f49d9a6646866c6c1dc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86134c7f82b2c96e4a1a1927ce5f911cdfec7f0e2a0f49d9a6646866c6c1dc55", kill_on_drop: false }`
[INFO] [stdout] 86134c7f82b2c96e4a1a1927ce5f911cdfec7f0e2a0f49d9a6646866c6c1dc55