[INFO] fetching crate quiche 0.5.1...
[INFO] checking quiche-0.5.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate quiche 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate quiche 0.5.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quiche 0.5.1
[INFO] finished tweaking crates.io crate quiche 0.5.1
[INFO] tweaked toml for crates.io crate quiche 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate quiche 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qlog v0.3.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc455cf5a7efac2e8ad87c336374c444f1db4ddff3871496aaed3567b10c53b9
[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" "dc455cf5a7efac2e8ad87c336374c444f1db4ddff3871496aaed3567b10c53b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc455cf5a7efac2e8ad87c336374c444f1db4ddff3871496aaed3567b10c53b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc455cf5a7efac2e8ad87c336374c444f1db4ddff3871496aaed3567b10c53b9", kill_on_drop: false }`
[INFO] [stdout] dc455cf5a7efac2e8ad87c336374c444f1db4ddff3871496aaed3567b10c53b9
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d196ecde184156bc445270cc2b9c917bab13385d8f61f8382c76b6c5d09bdbf4
[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" "d196ecde184156bc445270cc2b9c917bab13385d8f61f8382c76b6c5d09bdbf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quiche v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stdout] warning: `extern` fn uses type `recovery::CongestionControlAlgorithm`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:234:32
[INFO] [stdout]     |
[INFO] [stdout] 234 |     config: &mut Config, algo: CongestionControlAlgorithm,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/recovery/mod.rs:732:1
[INFO] [stdout]     |
[INFO] [stdout] 732 | / pub enum CongestionControlAlgorithm {
[INFO] [stdout] 733 | |     /// Reno congestion control algorithm. `reno` in a string form.
[INFO] [stdout] 734 | |     Reno  = 0,
[INFO] [stdout] 735 | |     /// CUBIC congestion control algorithm (default). `cubic` in a string form.
[INFO] [stdout] 736 | |     CUBIC = 1,
[INFO] [stdout] 737 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const u8, usize, *const u8, usize, *mut c_void) -> i32`, which is not FFI-safe
[INFO] [stdout]    --> src/h3/ffi.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |       cb: fn(
[INFO] [stdout]     |  _________^
[INFO] [stdout] 119 | |         name: *const u8,
[INFO] [stdout] 120 | |         name_len: size_t,
[INFO] [stdout] 121 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | |         argp: *mut c_void,
[INFO] [stdout] 126 | |     ) -> c_int,
[INFO] [stdout]     | |______________^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `recovery::CongestionControlAlgorithm`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:234:32
[INFO] [stdout]     |
[INFO] [stdout] 234 |     config: &mut Config, algo: CongestionControlAlgorithm,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/recovery/mod.rs:732:1
[INFO] [stdout]     |
[INFO] [stdout] 732 | / pub enum CongestionControlAlgorithm {
[INFO] [stdout] 733 | |     /// Reno congestion control algorithm. `reno` in a string form.
[INFO] [stdout] 734 | |     Reno  = 0,
[INFO] [stdout] 735 | |     /// CUBIC congestion control algorithm (default). `cubic` in a string form.
[INFO] [stdout] 736 | |     CUBIC = 1,
[INFO] [stdout] 737 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const u8, usize, *const u8, usize, *mut c_void) -> i32`, which is not FFI-safe
[INFO] [stdout]    --> src/h3/ffi.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |       cb: fn(
[INFO] [stdout]     |  _________^
[INFO] [stdout] 119 | |         name: *const u8,
[INFO] [stdout] 120 | |         name_len: size_t,
[INFO] [stdout] 121 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | |         argp: *mut c_void,
[INFO] [stdout] 126 | |     ) -> c_int,
[INFO] [stdout]     | |______________^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "d196ecde184156bc445270cc2b9c917bab13385d8f61f8382c76b6c5d09bdbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d196ecde184156bc445270cc2b9c917bab13385d8f61f8382c76b6c5d09bdbf4", kill_on_drop: false }`
[INFO] [stdout] d196ecde184156bc445270cc2b9c917bab13385d8f61f8382c76b6c5d09bdbf4