[INFO] fetching crate medea-control-api-proto 0.10.0...
[INFO] checking medea-control-api-proto-0.10.0 against try#ebb118907fa893a392c699ddf120848fa0a8d6c2 for pr-116930
[INFO] extracting crate medea-control-api-proto 0.10.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate medea-control-api-proto 0.10.0 on toolchain ebb118907fa893a392c699ddf120848fa0a8d6c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medea-control-api-proto 0.10.0
[INFO] finished tweaking crates.io crate medea-control-api-proto 0.10.0
[INFO] tweaked toml for crates.io crate medea-control-api-proto 0.10.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2460e332a0154dca1b411c84479632e0f72f1495b9c614d82c4b042d9d123b6
[INFO] running `Command { std: "docker" "start" "-a" "a2460e332a0154dca1b411c84479632e0f72f1495b9c614d82c4b042d9d123b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2460e332a0154dca1b411c84479632e0f72f1495b9c614d82c4b042d9d123b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2460e332a0154dca1b411c84479632e0f72f1495b9c614d82c4b042d9d123b6", kill_on_drop: false }`
[INFO] [stdout] a2460e332a0154dca1b411c84479632e0f72f1495b9c614d82c4b042d9d123b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e49a59b314dcf6bb0aca8cdfe6b36de38e08c52f0bc8d36e589b3cf2bfccc4
[INFO] running `Command { std: "docker" "start" "-a" "94e49a59b314dcf6bb0aca8cdfe6b36de38e08c52f0bc8d36e589b3cf2bfccc4", kill_on_drop: false }`
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling ref-cast v1.0.20
[INFO] [stderr]    Compiling medea-control-api-proto v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling ref-cast-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stdout] error[E0453]: warn(future_incompatible) incompatible with previous forbid
[INFO] [stdout]    --> build.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     future_incompatible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]     |
[INFO] [stdout]     = note: `forbid` lint level is the default for pointer_structural_match
[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 E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `medea-control-api-proto` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "94e49a59b314dcf6bb0aca8cdfe6b36de38e08c52f0bc8d36e589b3cf2bfccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e49a59b314dcf6bb0aca8cdfe6b36de38e08c52f0bc8d36e589b3cf2bfccc4", kill_on_drop: false }`
[INFO] [stdout] 94e49a59b314dcf6bb0aca8cdfe6b36de38e08c52f0bc8d36e589b3cf2bfccc4