[INFO] fetching crate trans-gen-go 0.3.0-alpha.2...
[INFO] checking trans-gen-go-0.3.0-alpha.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate trans-gen-go 0.3.0-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate trans-gen-go 0.3.0-alpha.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 131a0debccfef1b01303d65c76d3f588ab95df9a4669f1580301c116198e1755
[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" "131a0debccfef1b01303d65c76d3f588ab95df9a4669f1580301c116198e1755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131a0debccfef1b01303d65c76d3f588ab95df9a4669f1580301c116198e1755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131a0debccfef1b01303d65c76d3f588ab95df9a4669f1580301c116198e1755", kill_on_drop: false }`
[INFO] [stdout] 131a0debccfef1b01303d65c76d3f588ab95df9a4669f1580301c116198e1755
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef18389791f36171c4044ffa71d7c3b288c764c07e7133220b3385d6f872568
[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" "1ef18389791f36171c4044ffa71d7c3b288c764c07e7133220b3385d6f872568", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 7 warnings emitted
[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 0.98s
[INFO] running `Command { std: "docker" "inspect" "1ef18389791f36171c4044ffa71d7c3b288c764c07e7133220b3385d6f872568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef18389791f36171c4044ffa71d7c3b288c764c07e7133220b3385d6f872568", kill_on_drop: false }`
[INFO] [stdout] 1ef18389791f36171c4044ffa71d7c3b288c764c07e7133220b3385d6f872568