[INFO] fetching crate trans-gen-javascript 0.3.0-alpha.2...
[INFO] checking trans-gen-javascript-0.3.0-alpha.2 against beta for pr-78714
[INFO] extracting crate trans-gen-javascript 0.3.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trans-gen-javascript 0.3.0-alpha.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-gen-javascript 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-javascript 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-javascript 0.3.0-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413a52eefd96539b43a82dfd6880030d62f6c0dcd6bc5bdef93da9e8f25607c3
[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" "413a52eefd96539b43a82dfd6880030d62f6c0dcd6bc5bdef93da9e8f25607c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413a52eefd96539b43a82dfd6880030d62f6c0dcd6bc5bdef93da9e8f25607c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413a52eefd96539b43a82dfd6880030d62f6c0dcd6bc5bdef93da9e8f25607c3", kill_on_drop: false }`
[INFO] [stdout] 413a52eefd96539b43a82dfd6880030d62f6c0dcd6bc5bdef93da9e8f25607c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a324aa75114622eaec43e293ab05b8826eaceced27baabee4c49ed78d6ab9e
[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" "61a324aa75114622eaec43e293ab05b8826eaceced27baabee4c49ed78d6ab9e", kill_on_drop: false }`
[INFO] [stderr]     Checking trans-gen-javascript v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/lib.rs:207:32
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 Schema::Enum { 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: `index_var_name`
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |                     let index_var_name = index_var_name(index_var);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 |     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:349:24
[INFO] [stdout]     |
[INFO] [stdout] 349 |     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:207:32
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 Schema::Enum { 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: `index_var_name`
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |                     let index_var_name = index_var_name(index_var);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_var_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 |     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:349:24
[INFO] [stdout]     |
[INFO] [stdout] 349 |     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 0.47s
[INFO] running `Command { std: "docker" "inspect" "61a324aa75114622eaec43e293ab05b8826eaceced27baabee4c49ed78d6ab9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a324aa75114622eaec43e293ab05b8826eaceced27baabee4c49ed78d6ab9e", kill_on_drop: false }`
[INFO] [stdout] 61a324aa75114622eaec43e293ab05b8826eaceced27baabee4c49ed78d6ab9e