[INFO] fetching crate jab 0.0.1...
[INFO] checking jab-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate jab 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jab 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-8/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 70ecc6bb26392441a51947259308579f2803784f7a2b88f383cf24e1f5f379f9
[INFO] running `Command { std: "docker" "start" "-a" "70ecc6bb26392441a51947259308579f2803784f7a2b88f383cf24e1f5f379f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ecc6bb26392441a51947259308579f2803784f7a2b88f383cf24e1f5f379f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ecc6bb26392441a51947259308579f2803784f7a2b88f383cf24e1f5f379f9", kill_on_drop: false }`
[INFO] [stdout] 70ecc6bb26392441a51947259308579f2803784f7a2b88f383cf24e1f5f379f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406d76ffe08d996aaa95e4c058e75e94b3f2a0f9d44eba8711f2f59fc281bf39
[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" "406d76ffe08d996aaa95e4c058e75e94b3f2a0f9d44eba8711f2f59fc281bf39", 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 pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking pager v0.15.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]     Checking float-cmp v0.5.3
[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]     Checking regex v1.3.3
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking predicates v1.0.2
[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]    Compiling mockall_derive v0.6.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking mockall v0.6.0
[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] [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: 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: 7 warnings emitted
[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: 9 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] [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 2m 19s
[INFO] running `Command { std: "docker" "inspect" "406d76ffe08d996aaa95e4c058e75e94b3f2a0f9d44eba8711f2f59fc281bf39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406d76ffe08d996aaa95e4c058e75e94b3f2a0f9d44eba8711f2f59fc281bf39", kill_on_drop: false }`
[INFO] [stdout] 406d76ffe08d996aaa95e4c058e75e94b3f2a0f9d44eba8711f2f59fc281bf39