[INFO] fetching crate webrtc-data 0.2.2...
[INFO] testing webrtc-data-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate webrtc-data 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate webrtc-data 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrtc-data 0.2.2
[INFO] finished tweaking crates.io crate webrtc-data 0.2.2
[INFO] tweaked toml for crates.io crate webrtc-data 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bf7e9b42132e7852ad36fc3e3cf52a6e96e268eb4de6a79178cfb13a492ddb3
[INFO] running `Command { std: "docker" "start" "-a" "0bf7e9b42132e7852ad36fc3e3cf52a6e96e268eb4de6a79178cfb13a492ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf7e9b42132e7852ad36fc3e3cf52a6e96e268eb4de6a79178cfb13a492ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf7e9b42132e7852ad36fc3e3cf52a6e96e268eb4de6a79178cfb13a492ddb3", kill_on_drop: false }`
[INFO] [stdout] 0bf7e9b42132e7852ad36fc3e3cf52a6e96e268eb4de6a79178cfb13a492ddb3
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd37dcb51e62faf6adf1b786a2565b1e723bcc2f226e4b9d38ed31515c5e7f6b
[INFO] running `Command { std: "docker" "start" "-a" "cd37dcb51e62faf6adf1b786a2565b1e723bcc2f226e4b9d38ed31515c5e7f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling webrtc-util v0.4.2
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling crc v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling derive_builder v0.10.2
[INFO] [stderr]    Compiling webrtc-sctp v0.3.4
[INFO] [stderr]    Compiling webrtc-data v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.75s
[INFO] running `Command { std: "docker" "inspect" "cd37dcb51e62faf6adf1b786a2565b1e723bcc2f226e4b9d38ed31515c5e7f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd37dcb51e62faf6adf1b786a2565b1e723bcc2f226e4b9d38ed31515c5e7f6b", kill_on_drop: false }`
[INFO] [stdout] cd37dcb51e62faf6adf1b786a2565b1e723bcc2f226e4b9d38ed31515c5e7f6b
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2708684481fa2195150fc9af733e969ebd86f6a9e1fe4a82e9ec5c377b25331c
[INFO] running `Command { std: "docker" "start" "-a" "2708684481fa2195150fc9af733e969ebd86f6a9e1fe4a82e9ec5c377b25331c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling webrtc-data v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/data_channel/data_channel_test.rs:463:49
[INFO] [stdout]     |
[INFO] [stdout] 463 |       dc0.on_buffered_amount_low(Box::new(move || {
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 464 | |         n_cbs2.fetch_add(1, Ordering::SeqCst);
[INFO] [stdout] 465 | |     }))
[INFO] [stdout]     | |_____^ expected struct `Pin`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Pin<Box<(dyn Future<Output = ()> + Send + 'static)>>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webrtc-data` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2708684481fa2195150fc9af733e969ebd86f6a9e1fe4a82e9ec5c377b25331c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2708684481fa2195150fc9af733e969ebd86f6a9e1fe4a82e9ec5c377b25331c", kill_on_drop: false }`
[INFO] [stdout] 2708684481fa2195150fc9af733e969ebd86f6a9e1fe4a82e9ec5c377b25331c