[INFO] fetching crate vtable 0.1.1...
[INFO] checking vtable-0.1.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate vtable 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vtable 0.1.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtable 0.1.1
[INFO] finished tweaking crates.io crate vtable 0.1.1
[INFO] tweaked toml for crates.io crate vtable 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-field-offset v0.1.0
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.0
[INFO] [stderr]   Downloaded vtable-macro v0.1.1
[INFO] [stderr]   Downloaded field-offset v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e21138b275e62e38468a978965542a3e184eb8c7857efb1ce34668b031a9e8
[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" "e2e21138b275e62e38468a978965542a3e184eb8c7857efb1ce34668b031a9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e21138b275e62e38468a978965542a3e184eb8c7857efb1ce34668b031a9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e21138b275e62e38468a978965542a3e184eb8c7857efb1ce34668b031a9e8", kill_on_drop: false }`
[INFO] [stdout] e2e21138b275e62e38468a978965542a3e184eb8c7857efb1ce34668b031a9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 6475f7f30b9225cf97c4446c5e76011edc2fbd16e87543cfe9656bc54abde5c0
[INFO] running `Command { std: "docker" "start" "-a" "6475f7f30b9225cf97c4446c5e76011edc2fbd16e87543cfe9656bc54abde5c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling field-offset v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.0
[INFO] [stderr]    Compiling vtable-macro v0.1.1
[INFO] [stderr]     Checking const-field-offset v0.1.0
[INFO] [stderr]     Checking vtable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/vrc.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     type Error = core::alloc::LayoutErr;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/vrc.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     type Error = core::alloc::LayoutErr;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "6475f7f30b9225cf97c4446c5e76011edc2fbd16e87543cfe9656bc54abde5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6475f7f30b9225cf97c4446c5e76011edc2fbd16e87543cfe9656bc54abde5c0", kill_on_drop: false }`
[INFO] [stdout] 6475f7f30b9225cf97c4446c5e76011edc2fbd16e87543cfe9656bc54abde5c0