[INFO] fetching crate jab 0.0.1...
[INFO] testing jab-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jab 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jab 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+1.55.0" "fetch" "--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 fragile v0.3.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.53
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.14
[INFO] [stderr]   Downloaded built v0.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded jobserver v0.1.19
[INFO] [stderr]   Downloaded pager v0.15.0
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded mockall_derive v0.6.0
[INFO] [stderr]   Downloaded mockall v0.6.0
[INFO] [stderr]   Downloaded predicates v1.0.2
[INFO] [stderr]   Downloaded serde_json v1.0.46
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c86564ff8a87af9d3a6785db981c3c3c7930a9775fa62f09614d3194277c664a
[INFO] running `Command { std: "docker" "start" "-a" "c86564ff8a87af9d3a6785db981c3c3c7930a9775fa62f09614d3194277c664a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86564ff8a87af9d3a6785db981c3c3c7930a9775fa62f09614d3194277c664a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86564ff8a87af9d3a6785db981c3c3c7930a9775fa62f09614d3194277c664a", kill_on_drop: false }`
[INFO] [stdout] c86564ff8a87af9d3a6785db981c3c3c7930a9775fa62f09614d3194277c664a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d075060fc449b622b7dd95d0c5c99f4ca56e482f04d634ba73935fa1c75acbdb
[INFO] running `Command { std: "docker" "start" "-a" "d075060fc449b622b7dd95d0c5c99f4ca56e482f04d634ba73935fa1c75acbdb", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.66
[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 semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling pager v0.15.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.3
[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 env_logger v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling git2 v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.46
[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] [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: unused variable: `show_cli`
[INFO] [stdout]    --> src/bin/jab.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |   } else if let Some(show_cli) = cli.subcommand_matches("show") {
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_show_cli`
[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 dev [unoptimized + debuginfo] target(s) in 57.95s
[INFO] running `Command { std: "docker" "inspect" "d075060fc449b622b7dd95d0c5c99f4ca56e482f04d634ba73935fa1c75acbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d075060fc449b622b7dd95d0c5c99f4ca56e482f04d634ba73935fa1c75acbdb", kill_on_drop: false }`
[INFO] [stdout] d075060fc449b622b7dd95d0c5c99f4ca56e482f04d634ba73935fa1c75acbdb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec850a52f44f899833959ba44ef747f5f22f5bead6e7d9845a5358f6f0e35a5
[INFO] running `Command { std: "docker" "start" "-a" "3ec850a52f44f899833959ba44ef747f5f22f5bead6e7d9845a5358f6f0e35a5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[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] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling predicates v1.0.2
[INFO] [stderr]    Compiling mockall v0.6.0
[INFO] [stderr]    Compiling jab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `show_cli`
[INFO] [stdout]    --> src/bin/jab.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |   } else if let Some(show_cli) = cli.subcommand_matches("show") {
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_show_cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[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: unused import: `super::*`
[INFO] [stdout]    --> src/lib/git.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DbConnectionConfigTest` should have a snake case name
[INFO] [stdout]    --> src/lib/db/postgresql/client.rs:271:7
[INFO] [stdout]     |
[INFO] [stdout] 271 |   mod DbConnectionConfigTest {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `db_connection_config_test`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "3ec850a52f44f899833959ba44ef747f5f22f5bead6e7d9845a5358f6f0e35a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec850a52f44f899833959ba44ef747f5f22f5bead6e7d9845a5358f6f0e35a5", kill_on_drop: false }`
[INFO] [stdout] 3ec850a52f44f899833959ba44ef747f5f22f5bead6e7d9845a5358f6f0e35a5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40d4d7aa0e053c5f1de3e082664f468f6aab1799aa4dbe356831765aba542c46
[INFO] running `Command { std: "docker" "start" "-a" "40d4d7aa0e053c5f1de3e082664f468f6aab1799aa4dbe356831765aba542c46", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:119:14
[INFO] [stderr]     |
[INFO] [stderr] 119 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::DbName, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:129:16
[INFO] [stderr]     |
[INFO] [stderr] 129 |         .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Credential, None) })?,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::HostAndPort, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Host, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::CredentialUsername, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     .or({ Some("".into()) })
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:177:43
[INFO] [stderr]     |
[INFO] [stderr] 177 |   let port = db_connection_config.port.or({ Some("".into()) }).unwrap();
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib/git.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `DbConnectionConfigTest` should have a snake case name
[INFO] [stderr]    --> src/lib/db/postgresql/client.rs:271:7
[INFO] [stderr]     |
[INFO] [stderr] 271 |   mod DbConnectionConfigTest {
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `db_connection_config_test`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jab` (lib) generated 7 warnings
[INFO] [stderr] warning: `jab` (lib test) generated 9 warnings (7 duplicates)
[INFO] [stderr] warning: unused variable: `show_cli`
[INFO] [stderr]    --> src/bin/jab.rs:159:22
[INFO] [stderr]     |
[INFO] [stderr] 159 |   } else if let Some(show_cli) = cli.subcommand_matches("show") {
[INFO] [stderr]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_show_cli`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jab` (bin "jab" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lib-35e5a323d75b55e8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test db::postgresql::client::test::DbConnectionConfigTest::from::it_should_return_valid_db_config_with_complete_uri ... ok
[INFO] [stdout] test git::test::commit::it_should_create_initial_commit_on_bare_repo ... ok
[INFO] [stdout] test db::postgresql::client::test::DbConnectionConfigTest::from::it_should_return_valid_db_config_without_password ... ok
[INFO] [stdout] test db::postgresql::client::test::DbConnectionConfigTest::from::it_should_return_valid_db_config_with_password ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jab-84a51caf2cdc325e)
[INFO] [stdout] test git::test::upsert::it_should_create_repo_when_repo_does_not_exist ... ok
[INFO] [stderr]    Doc-tests lib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:119:14
[INFO] [stderr]     |
[INFO] [stderr] 119 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::DbName, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:129:16
[INFO] [stderr]     |
[INFO] [stderr] 129 |         .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Credential, None) })?,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::HostAndPort, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::Host, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |       .ok_or({ DbError::parse_error(db_uri, DbUriParsingStep::CredentialUsername, None) })?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     .or({ Some("".into()) })
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib/db/postgresql/client.rs:177:43
[INFO] [stderr]     |
[INFO] [stderr] 177 |   let port = db_connection_config.port.or({ Some("".into()) }).unwrap();
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[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" "40d4d7aa0e053c5f1de3e082664f468f6aab1799aa4dbe356831765aba542c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d4d7aa0e053c5f1de3e082664f468f6aab1799aa4dbe356831765aba542c46", kill_on_drop: false }`
[INFO] [stdout] 40d4d7aa0e053c5f1de3e082664f468f6aab1799aa4dbe356831765aba542c46