[INFO] fetching crate prae 0.5.1...
[INFO] testing prae-0.5.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate prae 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate prae 0.5.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prae 0.5.1
[INFO] finished tweaking crates.io crate prae 0.5.1
[INFO] tweaked toml for crates.io crate prae 0.5.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prae_macro v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 5e70abb8aa9f8813e34ca91c88dd7489a21bca93ca57e0720ebc0f972360f28d
[INFO] running `Command { std: "docker" "start" "-a" "5e70abb8aa9f8813e34ca91c88dd7489a21bca93ca57e0720ebc0f972360f28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e70abb8aa9f8813e34ca91c88dd7489a21bca93ca57e0720ebc0f972360f28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e70abb8aa9f8813e34ca91c88dd7489a21bca93ca57e0720ebc0f972360f28d", kill_on_drop: false }`
[INFO] [stdout] 5e70abb8aa9f8813e34ca91c88dd7489a21bca93ca57e0720ebc0f972360f28d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc077c29649f9a9da635ce3135ea9ea45af226e292051250b5c06b0c1083963
[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" "8fc077c29649f9a9da635ce3135ea9ea45af226e292051250b5c06b0c1083963", kill_on_drop: false }`
[INFO] [stderr]    Compiling prae_macro v0.3.0
[INFO] [stderr]    Compiling prae v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "8fc077c29649f9a9da635ce3135ea9ea45af226e292051250b5c06b0c1083963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc077c29649f9a9da635ce3135ea9ea45af226e292051250b5c06b0c1083963", kill_on_drop: false }`
[INFO] [stdout] 8fc077c29649f9a9da635ce3135ea9ea45af226e292051250b5c06b0c1083963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93802f32a2631a19a13fbbc8bb2040edb2705a4c6e570427ce2b3a1357667995
[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" "93802f32a2631a19a13fbbc8bb2040edb2705a4c6e570427ce2b3a1357667995", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling prae v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Guarded<UsernameGuard>: Serialize` is not satisfied
[INFO] [stdout]     --> tests/serde_integration.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    |     name: Username,
[INFO] [stdout]      |     ^^^^ the trait `Serialize` is not implemented for `Guarded<UsernameGuard>`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `_::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/ser/mod.rs:1871:5
[INFO] [stdout]      |
[INFO] [stdout] 1871 | /     fn serialize_field<T: ?Sized>(
[INFO] [stdout] 1872 | |         &mut self,
[INFO] [stdout] 1873 | |         key: &'static str,
[INFO] [stdout] 1874 | |         value: &T,
[INFO] [stdout] 1875 | |     ) -> Result<(), Self::Error>
[INFO] [stdout] 1876 | |     where
[INFO] [stdout] 1877 | |         T: Serialize;
[INFO] [stdout]      | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Guarded<UsernameGuard>: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> tests/serde_integration.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    |     name: Username,
[INFO] [stdout]      |     ^^^^ the trait `Deserialize<'_>` is not implemented for `Guarded<UsernameGuard>`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/de/mod.rs:1703:5
[INFO] [stdout]      |
[INFO] [stdout] 1703 | /     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout] 1704 | |     where
[INFO] [stdout] 1705 | |         T: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Guarded<UsernameGuard>: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> tests/serde_integration.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    |     name: Username,
[INFO] [stdout]      |     ^^^^ the trait `Deserialize<'_>` is not implemented for `Guarded<UsernameGuard>`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/de/mod.rs:1842:5
[INFO] [stdout]      |
[INFO] [stdout] 1842 | /     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout] 1843 | |     where
[INFO] [stdout] 1844 | |         V: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prae` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "93802f32a2631a19a13fbbc8bb2040edb2705a4c6e570427ce2b3a1357667995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93802f32a2631a19a13fbbc8bb2040edb2705a4c6e570427ce2b3a1357667995", kill_on_drop: false }`
[INFO] [stdout] 93802f32a2631a19a13fbbc8bb2040edb2705a4c6e570427ce2b3a1357667995
