[INFO] fetching crate pollen-sys 0.1.0...
[INFO] testing pollen-sys-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate pollen-sys 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pollen-sys 0.1.0
[INFO] finished tweaking crates.io crate pollen-sys 0.1.0
[INFO] tweaked toml for crates.io crate pollen-sys 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pollen-sys 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c0e991f189988feff3c5f5b9459f261078b082ab71e2e7daaf56b9911fe5cc
[INFO] running `Command { std: "docker" "start" "-a" "b8c0e991f189988feff3c5f5b9459f261078b082ab71e2e7daaf56b9911fe5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c0e991f189988feff3c5f5b9459f261078b082ab71e2e7daaf56b9911fe5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c0e991f189988feff3c5f5b9459f261078b082ab71e2e7daaf56b9911fe5cc", kill_on_drop: false }`
[INFO] [stdout] b8c0e991f189988feff3c5f5b9459f261078b082ab71e2e7daaf56b9911fe5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06930dd09326019a8167df3db6849f79d49e5d6d7e0d9b302053c9de7c171202
[INFO] running `Command { std: "docker" "start" "-a" "06930dd09326019a8167df3db6849f79d49e5d6d7e0d9b302053c9de7c171202", kill_on_drop: false }`
[INFO] [stderr]    Compiling pollen-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `CodegenTagStart` is never used
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     type CodegenTagStart = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CodegenTagEnd` is never used
[INFO] [stdout]  --> src/lib.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type CodegenTagEnd = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn()`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             extern "C"
[INFO] [stdout] 61 | |             fn(ctx: *mut Context, s: *const u8, cb: OnElementCallback),
[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]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "06930dd09326019a8167df3db6849f79d49e5d6d7e0d9b302053c9de7c171202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06930dd09326019a8167df3db6849f79d49e5d6d7e0d9b302053c9de7c171202", kill_on_drop: false }`
[INFO] [stdout] 06930dd09326019a8167df3db6849f79d49e5d6d7e0d9b302053c9de7c171202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66516e8901c539cb39040569920f72031934d2dc90f0db5f2baad5a4cabad4bd
[INFO] running `Command { std: "docker" "start" "-a" "66516e8901c539cb39040569920f72031934d2dc90f0db5f2baad5a4cabad4bd", kill_on_drop: false }`
[INFO] [stdout] warning: type alias `CodegenTagStart` is never used
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     type CodegenTagStart = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CodegenTagEnd` is never used
[INFO] [stdout]  --> src/lib.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type CodegenTagEnd = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn()`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             extern "C"
[INFO] [stdout] 61 | |             fn(ctx: *mut Context, s: *const u8, cb: OnElementCallback),
[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]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pollen-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `CodegenTagStart` is never used
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     type CodegenTagStart = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CodegenTagEnd` is never used
[INFO] [stdout]  --> src/lib.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type CodegenTagEnd = fn();
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn()`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /             extern "C"
[INFO] [stdout] 61 | |             fn(ctx: *mut Context, s: *const u8, cb: OnElementCallback),
[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]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "66516e8901c539cb39040569920f72031934d2dc90f0db5f2baad5a4cabad4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66516e8901c539cb39040569920f72031934d2dc90f0db5f2baad5a4cabad4bd", kill_on_drop: false }`
[INFO] [stdout] 66516e8901c539cb39040569920f72031934d2dc90f0db5f2baad5a4cabad4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ccd70c5a51e2261054719790d4979b4ec10e55eb7f0ed7b09116e85a9b0efac
[INFO] running `Command { std: "docker" "start" "-a" "9ccd70c5a51e2261054719790d4979b4ec10e55eb7f0ed7b09116e85a9b0efac", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `CodegenTagStart` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:7:10
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stderr] 7 |     type CodegenTagStart = fn();
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `CodegenTagEnd` is never used
[INFO] [stderr]  --> src/lib.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     type CodegenTagEnd = fn();
[INFO] [stderr]   |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn()`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 | /             extern "C"
[INFO] [stderr] 61 | |             fn(ctx: *mut Context, s: *const u8, cb: OnElementCallback),
[INFO] [stderr]    | |______________________________________________________________________^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]    = note: this function pointer has Rust-specific calling convention
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pollen-sys` (lib) generated 3 warnings
[INFO] [stderr] warning: `pollen-sys` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pollen_sys-ac4532456f98dcd4)
[INFO] [stderr]    Doc-tests pollen_sys
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ccd70c5a51e2261054719790d4979b4ec10e55eb7f0ed7b09116e85a9b0efac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccd70c5a51e2261054719790d4979b4ec10e55eb7f0ed7b09116e85a9b0efac", kill_on_drop: false }`
[INFO] [stdout] 9ccd70c5a51e2261054719790d4979b4ec10e55eb7f0ed7b09116e85a9b0efac