[INFO] fetching crate proto_seeder 0.0.8...
[INFO] checking proto_seeder-0.0.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate proto_seeder 0.0.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate proto_seeder 0.0.8
[INFO] finished tweaking crates.io crate proto_seeder 0.0.8
[INFO] tweaked toml for crates.io crate proto_seeder 0.0.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto_seeder 0.0.8 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proto_seeder 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46db56a7e78eab77deaed5a74bf732d1e7c268aabeb7ae667227049d5172b8f9
[INFO] running `Command { std: "docker" "start" "-a" "46db56a7e78eab77deaed5a74bf732d1e7c268aabeb7ae667227049d5172b8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46db56a7e78eab77deaed5a74bf732d1e7c268aabeb7ae667227049d5172b8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46db56a7e78eab77deaed5a74bf732d1e7c268aabeb7ae667227049d5172b8f9", kill_on_drop: false }`
[INFO] [stdout] 46db56a7e78eab77deaed5a74bf732d1e7c268aabeb7ae667227049d5172b8f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc67efbaca4605a83ac0573308ed0b0bd6ef2d6345d816d1b0352bac30c00840
[INFO] running `Command { std: "docker" "start" "-a" "dc67efbaca4605a83ac0573308ed0b0bd6ef2d6345d816d1b0352bac30c00840", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking proto_seeder v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeedContent` and `find_routes`
[INFO] [stdout]   --> src/content/view.rs:88:44
[INFO] [stdout]    |
[INFO] [stdout] 88 |         content::{view::get_view_function, SeedContent},
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 89 |         find_model, find_routes,
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indexmap::map::IndexMap`
[INFO] [stdout]   --> src/content/view.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use indexmap::map::IndexMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/content/guard.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut should_have: IndexMap<String, (String, SeedRoute,),> = IndexMap::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `should_have`
[INFO] [stdout]    --> src/content/guard.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut should_have: IndexMap<String, (String, SeedRoute,),> = IndexMap::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_have`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/content/module/mod.rs:320:13
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let mut import_module = import_result.unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module_meta2`
[INFO] [stdout]    --> src/content/module/mod.rs:329:14
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let (module_meta2, updated_parent_2,) = generate_module_meta(
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module_meta2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/content/guard.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SeedGuard {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 17 |     pub(crate) name: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SeedGuard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_filepath`, `set_mod_import`, and `set_import_file_location` are never used
[INFO] [stdout]   --> src/content/module/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl ModuleMeta {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 66 |     pub fn set_filepath(&mut self, filepath: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn set_mod_import(&mut self, mod_import: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn set_import_file_location(&mut self, import_file_location: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `origin_route` is never used
[INFO] [stdout]    --> src/content/module/mod.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl SeedModule {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn origin_route(&self,) -> &Option<SeedRoute,> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `imports_content` is never used
[INFO] [stdout]   --> src/content/module/import.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ImportModule {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn imports_content(&self,) -> &Vec<String,> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_path` is never read
[INFO] [stdout]   --> src/writer/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ModulesWriter {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     current_path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source_file` is never read
[INFO] [stdout]  --> src/writer/checker.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Checker {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     source_file: syn::File,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/content/module/import.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |             name: "".parse().unwrap(),
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/content/guard.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SeedGuard {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 17 |     pub(crate) name: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SeedGuard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_filepath`, `set_mod_import`, and `set_import_file_location` are never used
[INFO] [stdout]   --> src/content/module/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl ModuleMeta {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 66 |     pub fn set_filepath(&mut self, filepath: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn set_mod_import(&mut self, mod_import: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn set_import_file_location(&mut self, import_file_location: String,) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `imports_content` is never used
[INFO] [stdout]   --> src/content/module/import.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl ImportModule {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn imports_content(&self,) -> &Vec<String,> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HOME` is never used
[INFO] [stdout]   --> src/content/view.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     const HOME: &str = r###"fn home(theme : &Theme) -> Node<Msg>{div!["home"]}"###;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_path` is never read
[INFO] [stdout]   --> src/writer/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ModulesWriter {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     current_path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source_file` is never read
[INFO] [stdout]  --> src/writer/checker.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Checker {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 9 |     source_file: syn::File,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/content/module/import.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |             name: "".parse().unwrap(),
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proto_seeder` (bin "proto_seeder") due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `proto_seeder` (bin "proto_seeder" test) due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dc67efbaca4605a83ac0573308ed0b0bd6ef2d6345d816d1b0352bac30c00840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc67efbaca4605a83ac0573308ed0b0bd6ef2d6345d816d1b0352bac30c00840", kill_on_drop: false }`
[INFO] [stdout] dc67efbaca4605a83ac0573308ed0b0bd6ef2d6345d816d1b0352bac30c00840
