[INFO] fetching crate trans-gen-ruby 0.3.0-alpha.2...
[INFO] checking trans-gen-ruby-0.3.0-alpha.2 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate trans-gen-ruby 0.3.0-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate trans-gen-ruby 0.3.0-alpha.2 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-gen-ruby 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-ruby 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-ruby 0.3.0-alpha.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8081acbd4e95d5f28a3fdd2f26abaeb45d5f0c52eb2370042c51508630117857
[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" "8081acbd4e95d5f28a3fdd2f26abaeb45d5f0c52eb2370042c51508630117857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8081acbd4e95d5f28a3fdd2f26abaeb45d5f0c52eb2370042c51508630117857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8081acbd4e95d5f28a3fdd2f26abaeb45d5f0c52eb2370042c51508630117857", kill_on_drop: false }`
[INFO] [stdout] 8081acbd4e95d5f28a3fdd2f26abaeb45d5f0c52eb2370042c51508630117857
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41df1a50a4fd47c75d73c753efbdf424ce23377306f011cc99f15ba5f60ae81
[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" "f41df1a50a4fd47c75d73c753efbdf424ce23377306f011cc99f15ba5f60ae81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling trans-derive v0.3.0
[INFO] [stderr]     Checking include_dir v0.6.0
[INFO] [stderr]     Checking trans v0.3.0
[INFO] [stderr]     Checking trans-gen-core v0.3.0-alpha.2
[INFO] [stderr]     Checking trans-gen-ruby v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (index > 0) {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (index > 0) {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/lib.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     base_name,
[INFO] [stdout]     |                     ^^^^^^^^^ help: try ignoring the field: `base_name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:277:24
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/lib.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     base_name,
[INFO] [stdout]     |                     ^^^^^^^^^ help: try ignoring the field: `base_name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:277:24
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.08s
[INFO] running `Command { std: "docker" "inspect" "f41df1a50a4fd47c75d73c753efbdf424ce23377306f011cc99f15ba5f60ae81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41df1a50a4fd47c75d73c753efbdf424ce23377306f011cc99f15ba5f60ae81", kill_on_drop: false }`
[INFO] [stdout] f41df1a50a4fd47c75d73c753efbdf424ce23377306f011cc99f15ba5f60ae81