[INFO] fetching crate trans-gen-go 0.3.0-alpha.2...
[INFO] testing trans-gen-go-0.3.0-alpha.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate trans-gen-go 0.3.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trans-gen-go 0.3.0-alpha.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-gen-go 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-go 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-go 0.3.0-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb81ec2489a1e8e5095002ed993c5e5d3f09aa9fde8dc91cfe5483369163717
[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" "3eb81ec2489a1e8e5095002ed993c5e5d3f09aa9fde8dc91cfe5483369163717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb81ec2489a1e8e5095002ed993c5e5d3f09aa9fde8dc91cfe5483369163717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb81ec2489a1e8e5095002ed993c5e5d3f09aa9fde8dc91cfe5483369163717", kill_on_drop: false }`
[INFO] [stdout] 3eb81ec2489a1e8e5095002ed993c5e5d3f09aa9fde8dc91cfe5483369163717
[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=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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c3bb81a8aaf1211a4ee4d2b7d3e849085d53a4d070f5cafcbd7e7fdd510b0f6
[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" "9c3bb81a8aaf1211a4ee4d2b7d3e849085d53a4d070f5cafcbd7e7fdd510b0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling trans-derive v0.3.0
[INFO] [stderr]    Compiling include_dir v0.6.0
[INFO] [stderr]    Compiling trans v0.3.0
[INFO] [stderr]    Compiling trans-gen-core v0.3.0-alpha.2
[INFO] [stderr]    Compiling trans-gen-go v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Schema::OneOf { variants, .. } => true,
[INFO] [stdout]    |                         ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struc`
[INFO] [stdout]   --> src/lib.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Schema::Struct(struc) => false,
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Schema::OneOf { variants, .. } => false,
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     if let Some((_, discriminant)) = base {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 |     for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:365:24
[INFO] [stdout]     |
[INFO] [stdout] 365 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:376:15
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn result(mut self) -> trans_gen_core::GenResult {
[INFO] [stdout]     |               ----^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "9c3bb81a8aaf1211a4ee4d2b7d3e849085d53a4d070f5cafcbd7e7fdd510b0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3bb81a8aaf1211a4ee4d2b7d3e849085d53a4d070f5cafcbd7e7fdd510b0f6", kill_on_drop: false }`
[INFO] [stdout] 9c3bb81a8aaf1211a4ee4d2b7d3e849085d53a4d070f5cafcbd7e7fdd510b0f6
[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=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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd22db1689c1cece6add15c985c1e5b033489020c72df5d4d817ce2c99b98ce0
[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" "cd22db1689c1cece6add15c985c1e5b033489020c72df5d4d817ce2c99b98ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling trans-gen-go v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Schema::OneOf { variants, .. } => true,
[INFO] [stdout]    |                         ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struc`
[INFO] [stdout]   --> src/lib.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Schema::Struct(struc) => false,
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Schema::OneOf { variants, .. } => false,
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     if let Some((_, discriminant)) = base {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 |     for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:365:24
[INFO] [stdout]     |
[INFO] [stdout] 365 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:376:15
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn result(mut self) -> trans_gen_core::GenResult {
[INFO] [stdout]     |               ----^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Schema::OneOf { variants, .. } => true,
[INFO] [stdout]    |                         ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struc`
[INFO] [stdout]   --> src/lib.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Schema::Struct(struc) => false,
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Schema::OneOf { variants, .. } => false,
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     if let Some((_, discriminant)) = base {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 |     for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:365:24
[INFO] [stdout]     |
[INFO] [stdout] 365 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:376:15
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn result(mut self) -> trans_gen_core::GenResult {
[INFO] [stdout]     |               ----^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "cd22db1689c1cece6add15c985c1e5b033489020c72df5d4d817ce2c99b98ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd22db1689c1cece6add15c985c1e5b033489020c72df5d4d817ce2c99b98ce0", kill_on_drop: false }`
[INFO] [stdout] cd22db1689c1cece6add15c985c1e5b033489020c72df5d4d817ce2c99b98ce0
[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=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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77b92c5633db4c67e331dc0642aca71841983f394acb0fdfc75f4fcbce243dc8
[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" "77b92c5633db4c67e331dc0642aca71841983f394acb0fdfc75f4fcbce243dc8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `variants`
[INFO] [stderr]   --> src/lib.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Schema::OneOf { variants, .. } => true,
[INFO] [stderr]    |                         ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]   --> src/lib.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |             Schema::Struct(struc) => false,
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variants`
[INFO] [stderr]   --> src/lib.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 |             Schema::OneOf { variants, .. } => false,
[INFO] [stderr]    |                             ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `discriminant`
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |     if let Some((_, discriminant)) = base {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:137:10
[INFO] [stderr]     |
[INFO] [stderr] 137 |     for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stderr]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/lib.rs:365:24
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stderr]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:376:15
[INFO] [stderr]     |
[INFO] [stderr] 376 |     fn result(mut self) -> trans_gen_core::GenResult {
[INFO] [stderr]     |               ----^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variants`
[INFO] [stderr]   --> src/lib.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Schema::OneOf { variants, .. } => true,
[INFO] [stderr]    |                         ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struc`
[INFO] [stderr]   --> src/lib.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |             Schema::Struct(struc) => false,
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variants`
[INFO] [stderr]   --> src/lib.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 |             Schema::OneOf { variants, .. } => false,
[INFO] [stderr]    |                             ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `discriminant`
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |     if let Some((_, discriminant)) = base {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/lib.rs:137:10
[INFO] [stderr]     |
[INFO] [stderr] 137 |     for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stderr]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/lib.rs:365:24
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stderr]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:376:15
[INFO] [stderr]     |
[INFO] [stderr] 376 |     fn result(mut self) -> trans_gen_core::GenResult {
[INFO] [stderr]     |               ----^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trans_gen_go-b69cb1308d75fcbd
[INFO] [stderr]    Doc-tests trans-gen-go
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77b92c5633db4c67e331dc0642aca71841983f394acb0fdfc75f4fcbce243dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b92c5633db4c67e331dc0642aca71841983f394acb0fdfc75f4fcbce243dc8", kill_on_drop: false }`
[INFO] [stdout] 77b92c5633db4c67e331dc0642aca71841983f394acb0fdfc75f4fcbce243dc8
