[INFO] fetching crate jab 0.0.1...
[INFO] documenting jab-0.0.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate jab 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate jab 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jab 0.0.1
[INFO] finished tweaking crates.io crate jab 0.0.1
[INFO] tweaked toml for crates.io crate jab 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate jab 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded mockall_derive v0.6.0
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] [stderr]   Downloaded mockall v0.6.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.14
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded predicates v1.0.2
[INFO] [stderr]   Downloaded built v0.4.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded pager v0.15.0
[INFO] [stderr]   Downloaded jobserver v0.1.19
[INFO] [stderr]   Downloaded serde_json v1.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1196200fd3d1499a120fe96b6d3e225eab4c4ba5cfc08feaaa9c2cfabed5405f
[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" "1196200fd3d1499a120fe96b6d3e225eab4c4ba5cfc08feaaa9c2cfabed5405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1196200fd3d1499a120fe96b6d3e225eab4c4ba5cfc08feaaa9c2cfabed5405f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1196200fd3d1499a120fe96b6d3e225eab4c4ba5cfc08feaaa9c2cfabed5405f", kill_on_drop: false }`
[INFO] [stdout] 1196200fd3d1499a120fe96b6d3e225eab4c4ba5cfc08feaaa9c2cfabed5405f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ded3e2f946fabc929afc3659cbf38c59de73cb8cdc549618e3a16dfef04441a
[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" "5ded3e2f946fabc929afc3659cbf38c59de73cb8cdc549618e3a16dfef04441a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pager v0.15.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libssh2-sys v0.2.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.0
[INFO] [stderr]    Compiling jab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting jab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::DbName, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 129 |         .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Credential, None) })?,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::HostAndPort, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Host, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::CredentialUsername, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     .or({ Some("".into()) })
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:177:43
[INFO] [stdout]     |
[INFO] [stdout] 177 |   let port = db_connection_config.port.or({ Some("".into()) }).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::DbName, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 129 |         .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Credential, None) })?,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::HostAndPort, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Host, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::CredentialUsername, None) })?;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     .or({ Some("".into()) })
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:177:43
[INFO] [stdout]     |
[INFO] [stdout] 177 |   let port = db_connection_config.port.or({ Some("".into()) }).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "5ded3e2f946fabc929afc3659cbf38c59de73cb8cdc549618e3a16dfef04441a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ded3e2f946fabc929afc3659cbf38c59de73cb8cdc549618e3a16dfef04441a", kill_on_drop: false }`
[INFO] [stdout] 5ded3e2f946fabc929afc3659cbf38c59de73cb8cdc549618e3a16dfef04441a
