[INFO] fetching crate ffi_helpers 0.3.0...
[INFO] testing ffi_helpers-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ffi_helpers 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ffi_helpers 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffi_helpers 0.3.0
[INFO] finished tweaking crates.io crate ffi_helpers 0.3.0
[INFO] tweaked toml for crates.io crate ffi_helpers 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] dd6c9691a06885b2ff2e73de223d29ccb9a5de69c0462c98fd1eb887ca119148
[INFO] running `Command { std: "docker" "start" "-a" "dd6c9691a06885b2ff2e73de223d29ccb9a5de69c0462c98fd1eb887ca119148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd6c9691a06885b2ff2e73de223d29ccb9a5de69c0462c98fd1eb887ca119148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6c9691a06885b2ff2e73de223d29ccb9a5de69c0462c98fd1eb887ca119148", kill_on_drop: false }`
[INFO] [stdout] dd6c9691a06885b2ff2e73de223d29ccb9a5de69c0462c98fd1eb887ca119148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29d3da743514f8040e3689c887db263eaa0aa2c8e305b3d720d68da0f07c264
[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" "c29d3da743514f8040e3689c887db263eaa0aa2c8e305b3d720d68da0f07c264", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi_helpers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "c29d3da743514f8040e3689c887db263eaa0aa2c8e305b3d720d68da0f07c264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29d3da743514f8040e3689c887db263eaa0aa2c8e305b3d720d68da0f07c264", kill_on_drop: false }`
[INFO] [stdout] c29d3da743514f8040e3689c887db263eaa0aa2c8e305b3d720d68da0f07c264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd6abd420975b1d099b37e8cc195278ad08efb379d6804f6fa90076d8bdbab9
[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" "1cd6abd420975b1d099b37e8cc195278ad08efb379d6804f6fa90076d8bdbab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi_helpers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "1cd6abd420975b1d099b37e8cc195278ad08efb379d6804f6fa90076d8bdbab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd6abd420975b1d099b37e8cc195278ad08efb379d6804f6fa90076d8bdbab9", kill_on_drop: false }`
[INFO] [stdout] 1cd6abd420975b1d099b37e8cc195278ad08efb379d6804f6fa90076d8bdbab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11683d338d78ef8276e36e7646d813e18056254597208dbe5c0861db2891e0db
[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" "11683d338d78ef8276e36e7646d813e18056254597208dbe5c0861db2891e0db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ffi_helpers-9df7355e0c64a1ac)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok
[INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok
[INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok
[INFO] [stdout] test task::tests::use_the_c_api ... ok
[INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok
[INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok
[INFO] [stdout] test error_handling::tests::update_the_error ... ok
[INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok
[INFO] [stdout] test error_handling::tests::take_the_last_error ... ok
[INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok
[INFO] [stderr]    Doc-tests ffi_helpers
[INFO] [stdout] test task::tests::spawn_a_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 92) - compile ... ok
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 73) - compile ... ok
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 113) - compile ... ok
[INFO] [stdout] test src/split.rs - split::split_closure (line 8) ... ok
[INFO] [stdout] test src/error_handling.rs - error_handling (line 27) ... ok
[INFO] [stdout] test src/task.rs - task (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11683d338d78ef8276e36e7646d813e18056254597208dbe5c0861db2891e0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11683d338d78ef8276e36e7646d813e18056254597208dbe5c0861db2891e0db", kill_on_drop: false }`
[INFO] [stdout] 11683d338d78ef8276e36e7646d813e18056254597208dbe5c0861db2891e0db