[INFO] fetching crate webrtc-rtcp 0.2.0...
[INFO] checking webrtc-rtcp-0.2.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate webrtc-rtcp 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate webrtc-rtcp 0.2.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrtc-rtcp 0.2.0
[INFO] finished tweaking crates.io crate webrtc-rtcp 0.2.0
[INFO] tweaked toml for crates.io crate webrtc-rtcp 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] c2f32371f5a235fcb20bfde295e8012a3dfb99f7e8fdfd1b882878e15917521c
[INFO] running `Command { std: "docker" "start" "-a" "c2f32371f5a235fcb20bfde295e8012a3dfb99f7e8fdfd1b882878e15917521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2f32371f5a235fcb20bfde295e8012a3dfb99f7e8fdfd1b882878e15917521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f32371f5a235fcb20bfde295e8012a3dfb99f7e8fdfd1b882878e15917521c", kill_on_drop: false }`
[INFO] [stdout] c2f32371f5a235fcb20bfde295e8012a3dfb99f7e8fdfd1b882878e15917521c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 558a04f4b51b6bdaba8152b2fbbb14c2211fe8db0ea1db9b5e51b96f3306cd4b
[INFO] running `Command { std: "docker" "start" "-a" "558a04f4b51b6bdaba8152b2fbbb14c2211fe8db0ea1db9b5e51b96f3306cd4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking webrtc-rtcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport_layer_cc/transport_layer_cc_test.rs:672:24
[INFO] [stdout]     |
[INFO] [stdout] 672 |                 panic!(format!("Packets are not same {}", name));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 672 |                 panic!("Packets are not same {}", name);
[INFO] [stdout]     |                       --                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "558a04f4b51b6bdaba8152b2fbbb14c2211fe8db0ea1db9b5e51b96f3306cd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558a04f4b51b6bdaba8152b2fbbb14c2211fe8db0ea1db9b5e51b96f3306cd4b", kill_on_drop: false }`
[INFO] [stdout] 558a04f4b51b6bdaba8152b2fbbb14c2211fe8db0ea1db9b5e51b96f3306cd4b