[INFO] fetching crate aragog 0.7.4...
[INFO] testing aragog-0.7.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate aragog 0.7.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aragog 0.7.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aragog 0.7.4
[INFO] finished tweaking crates.io crate aragog 0.7.4
[INFO] tweaked toml for crates.io crate aragog 0.7.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate aragog 0.7.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d58fddb2def88f355870bee5167f9faf32b7eef96da0fbbd30ddc0f4a5b36a
[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" "b0d58fddb2def88f355870bee5167f9faf32b7eef96da0fbbd30ddc0f4a5b36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d58fddb2def88f355870bee5167f9faf32b7eef96da0fbbd30ddc0f4a5b36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d58fddb2def88f355870bee5167f9faf32b7eef96da0fbbd30ddc0f4a5b36a", kill_on_drop: false }`
[INFO] [stdout] b0d58fddb2def88f355870bee5167f9faf32b7eef96da0fbbd30ddc0f4a5b36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a14926a89cc7997f7d3b8696f1f37f35dc21e32b19c8b7f217d8d17b1b0dc3b
[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" "7a14926a89cc7997f7d3b8696f1f37f35dc21e32b19c8b7f217d8d17b1b0dc3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling async-compression v0.3.6
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling maybe-async v0.2.2
[INFO] [stderr]    Compiling typed-builder v0.7.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling aragog-macros v0.1.0
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_qs v0.7.2
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.9
[INFO] [stderr]    Compiling arangors v0.4.5
[INFO] [stderr]    Compiling aragog v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "7a14926a89cc7997f7d3b8696f1f37f35dc21e32b19c8b7f217d8d17b1b0dc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a14926a89cc7997f7d3b8696f1f37f35dc21e32b19c8b7f217d8d17b1b0dc3b", kill_on_drop: false }`
[INFO] [stdout] 7a14926a89cc7997f7d3b8696f1f37f35dc21e32b19c8b7f217d8d17b1b0dc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 3d5ce4c30c7957543cdb821df3ce40def1705f42b3a39d04e939035f59e6d20f
[INFO] running `Command { std: "docker" "start" "-a" "3d5ce4c30c7957543cdb821df3ce40def1705f42b3a39d04e939035f59e6d20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling aragog v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]    --> src/validate.rs:323:31
[INFO] [stdout]     |
[INFO] [stdout] 323 |         fn validations(&self, errors: &mut Vec<String>) {}
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.26s
[INFO] running `Command { std: "docker" "inspect" "3d5ce4c30c7957543cdb821df3ce40def1705f42b3a39d04e939035f59e6d20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5ce4c30c7957543cdb821df3ce40def1705f42b3a39d04e939035f59e6d20f", kill_on_drop: false }`
[INFO] [stdout] 3d5ce4c30c7957543cdb821df3ce40def1705f42b3a39d04e939035f59e6d20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92f40c03e3adc88a551e7f8a95af0e86c86100920cc96150d36ac91e20d9ea10
[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" "92f40c03e3adc88a551e7f8a95af0e86c86100920cc96150d36ac91e20d9ea10", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `errors`
[INFO] [stderr]    --> src/validate.rs:323:31
[INFO] [stderr]     |
[INFO] [stderr] 323 |         fn validations(&self, errors: &mut Vec<String>) {}
[INFO] [stderr]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aragog-1b715728bd0be1a0
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test query::query_id_helper::tests::increases_letter_count ... ok
[INFO] [stdout] test query::query_id_helper::tests::works_with_single_letter ... ok
[INFO] [stdout] test schema::database_schema::tests::serialization_works ... ok
[INFO] [stdout] test validate::tests::string_validators::exact_length::validates_only_correct_strings ... ok
[INFO] [stdout] test validate::tests::string_validators::max_length::validates_only_correct_strings ... ok
[INFO] [stdout] test validate::tests::string_validators::min_length::validates_only_correct_strings ... ok
[INFO] [stdout] test validate::tests::string_validators::numeric_string::validates_only_numeric_characters ... ok
[INFO] [stdout] test validate::tests::string_validators::regex::validate_regex_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aragog
[INFO] [stdout] 
[INFO] [stdout] running 93 tests
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::aql_get (line 171) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::exists (line 330) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::get (line 131) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::inbound_graph (line 263) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::inbound_query (line 221) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::link (line 278) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::outbound_graph (line 242) ... ignored
[INFO] [stdout] test src/db/database_record.rs - db::database_record::DatabaseRecord<T>::outbound_query (line 200) ... ignored
[INFO] [stdout] test src/edge_record.rs - edge_record::EdgeRecord (line 22) ... ignored
[INFO] [stdout] test src/lib.rs - (line 355) ... ignored
[INFO] [stdout] test src/foreign_link.rs - foreign_link::ForeignLink (line 10) ... FAILED
[INFO] [stdout] test src/db/database_connection_pool.rs - db::database_connection_pool::DatabaseConnectionPool::builder (line 49) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 279) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 420) ... ignored
[INFO] [stdout] test src/foreign_link.rs - foreign_link::ForeignLink::foreign_key (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 136) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name aragog -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="aragog-macros"' --cfg 'feature="async"' --extern aragog=/opt/rustwide/target/debug/deps/libaragog-2652ec64649741f9.rlib --extern aragog_macros=/opt/rustwide/target/debug/deps/libaragog_macros-ab4e2d18e646c8b1.so --extern arangors=/opt/rustwide/target/debug/deps/libarangors-5f2e0cd9c220cf13.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-a39e29266c188fad.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-530e6dd20ec60fa5.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-25414f3a221b6c9f.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern maybe_async=/opt/rustwide/target/debug/deps/libmaybe_async-6ee82cc0e1c3b87c.so --extern num=/opt/rustwide/target/debug/deps/libnum-810544d2597c951c.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-62e055e6c3a1f4aa.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-7db856e575d9e3f7.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5236b8834cb4372f.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-e770b8b6c906d42b.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-da88e7812a4eb3c4.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2d8099bd195617cd.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "92f40c03e3adc88a551e7f8a95af0e86c86100920cc96150d36ac91e20d9ea10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f40c03e3adc88a551e7f8a95af0e86c86100920cc96150d36ac91e20d9ea10", kill_on_drop: false }`
[INFO] [stdout] 92f40c03e3adc88a551e7f8a95af0e86c86100920cc96150d36ac91e20d9ea10