[INFO] fetching crate datalog 0.0.2...
[INFO] testing datalog-0.0.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate datalog 0.0.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate datalog 0.0.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate datalog 0.0.2
[INFO] finished tweaking crates.io crate datalog 0.0.2
[INFO] tweaked toml for crates.io crate datalog 0.0.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3036a065e7a1138148a0634ef932e973a16ea3bbcf86cab6819aecb24cc6572e
[INFO] running `Command { std: "docker" "start" "-a" "3036a065e7a1138148a0634ef932e973a16ea3bbcf86cab6819aecb24cc6572e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3036a065e7a1138148a0634ef932e973a16ea3bbcf86cab6819aecb24cc6572e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3036a065e7a1138148a0634ef932e973a16ea3bbcf86cab6819aecb24cc6572e", kill_on_drop: false }`
[INFO] [stdout] 3036a065e7a1138148a0634ef932e973a16ea3bbcf86cab6819aecb24cc6572e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9b3800749f4292017aae0a6dfa4df53d470a29a1dcbf178d66d9980256c152
[INFO] running `Command { std: "docker" "start" "-a" "7f9b3800749f4292017aae0a6dfa4df53d470a29a1dcbf178d66d9980256c152", kill_on_drop: false }`
[INFO] [stderr]    Compiling datalog v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/writer.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn add(&mut self, Stmt) -> Result<(), Error>;
[INFO] [stdout]   |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Stmt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7f9b3800749f4292017aae0a6dfa4df53d470a29a1dcbf178d66d9980256c152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9b3800749f4292017aae0a6dfa4df53d470a29a1dcbf178d66d9980256c152", kill_on_drop: false }`
[INFO] [stdout] 7f9b3800749f4292017aae0a6dfa4df53d470a29a1dcbf178d66d9980256c152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a4e034587855f1a816dd33addaa396dc75674b75949175982a3d9a1909fa536
[INFO] running `Command { std: "docker" "start" "-a" "5a4e034587855f1a816dd33addaa396dc75674b75949175982a3d9a1909fa536", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/writer.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn add(&mut self, Stmt) -> Result<(), Error>;
[INFO] [stdout]   |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Stmt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling datalog v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/writer.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn add(&mut self, Stmt) -> Result<(), Error>;
[INFO] [stdout]   |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Stmt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "5a4e034587855f1a816dd33addaa396dc75674b75949175982a3d9a1909fa536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4e034587855f1a816dd33addaa396dc75674b75949175982a3d9a1909fa536", kill_on_drop: false }`
[INFO] [stdout] 5a4e034587855f1a816dd33addaa396dc75674b75949175982a3d9a1909fa536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0a1f955cec671afff717910ebcfc537df0f6f6f7452f5373717c579190a6a45
[INFO] running `Command { std: "docker" "start" "-a" "b0a1f955cec671afff717910ebcfc537df0f6f6f7452f5373717c579190a6a45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/writer.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn add(&mut self, Stmt) -> Result<(), Error>;
[INFO] [stderr]   |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Stmt`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `datalog` (lib) generated 1 warning
[INFO] [stderr] warning: `datalog` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datalog-ec1432c7dc065d52)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests datalog
[INFO] [stdout] running 2 tests
[INFO] [stdout] test predicates::tests::facts ... ok
[INFO] [stdout] test predicates::tests::queries ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0a1f955cec671afff717910ebcfc537df0f6f6f7452f5373717c579190a6a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a1f955cec671afff717910ebcfc537df0f6f6f7452f5373717c579190a6a45", kill_on_drop: false }`
[INFO] [stdout] b0a1f955cec671afff717910ebcfc537df0f6f6f7452f5373717c579190a6a45