[INFO] fetching crate datalog 0.0.2...
[INFO] testing datalog-0.0.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate datalog 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate datalog 0.0.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec4172f9c0b2aa4fe2170eea3e24b4f1d180a6962cc759f80df767639011fb95
[INFO] running `Command { std: "docker" "start" "-a" "ec4172f9c0b2aa4fe2170eea3e24b4f1d180a6962cc759f80df767639011fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4172f9c0b2aa4fe2170eea3e24b4f1d180a6962cc759f80df767639011fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4172f9c0b2aa4fe2170eea3e24b4f1d180a6962cc759f80df767639011fb95", kill_on_drop: false }`
[INFO] [stdout] ec4172f9c0b2aa4fe2170eea3e24b4f1d180a6962cc759f80df767639011fb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3c99b2ca05f93594361fa29416b0ad57c7aa06f3ab345046d14e94b1401c0e
[INFO] running `Command { std: "docker" "start" "-a" "5c3c99b2ca05f93594361fa29416b0ad57c7aa06f3ab345046d14e94b1401c0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.28s
[INFO] running `Command { std: "docker" "inspect" "5c3c99b2ca05f93594361fa29416b0ad57c7aa06f3ab345046d14e94b1401c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3c99b2ca05f93594361fa29416b0ad57c7aa06f3ab345046d14e94b1401c0e", kill_on_drop: false }`
[INFO] [stdout] 5c3c99b2ca05f93594361fa29416b0ad57c7aa06f3ab345046d14e94b1401c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb498d1473495447e320be1a3ae1720dd5ecbb5174e878525eb6daec708a368b
[INFO] running `Command { std: "docker" "start" "-a" "bb498d1473495447e320be1a3ae1720dd5ecbb5174e878525eb6daec708a368b", 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 2.42s
[INFO] running `Command { std: "docker" "inspect" "bb498d1473495447e320be1a3ae1720dd5ecbb5174e878525eb6daec708a368b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb498d1473495447e320be1a3ae1720dd5ecbb5174e878525eb6daec708a368b", kill_on_drop: false }`
[INFO] [stdout] bb498d1473495447e320be1a3ae1720dd5ecbb5174e878525eb6daec708a368b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40b3bb2e6bf97396327cbbeb2b09cedd24eb18bc1cf4b0b085b7ad3387d271fe
[INFO] running `Command { std: "docker" "start" "-a" "40b3bb2e6bf97396327cbbeb2b09cedd24eb18bc1cf4b0b085b7ad3387d271fe", kill_on_drop: false }`
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/datalog-eda047f736320925)
[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" "40b3bb2e6bf97396327cbbeb2b09cedd24eb18bc1cf4b0b085b7ad3387d271fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b3bb2e6bf97396327cbbeb2b09cedd24eb18bc1cf4b0b085b7ad3387d271fe", kill_on_drop: false }`
[INFO] [stdout] 40b3bb2e6bf97396327cbbeb2b09cedd24eb18bc1cf4b0b085b7ad3387d271fe