[INFO] cloning repository https://github.com/Gabbyton/CEMENTO-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gabbyton/CEMENTO-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbyton%2FCEMENTO-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbyton%2FCEMENTO-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec9abe7478a7512c82fe0c8d1d52a7fadb2a601b
[INFO] checking Gabbyton/CEMENTO-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbyton%2FCEMENTO-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Gabbyton/CEMENTO-rust
[INFO] finished tweaking git repo https://github.com/Gabbyton/CEMENTO-rust
[INFO] tweaked toml for git repo https://github.com/Gabbyton/CEMENTO-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gabbyton/CEMENTO-rust 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 git repo https://github.com/Gabbyton/CEMENTO-rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c871dbf2cd502621512fd5b4de6487524b8bf248ec4c9a63bbeb2b46a4fbb5a2
[INFO] running `Command { std: "docker" "start" "-a" "c871dbf2cd502621512fd5b4de6487524b8bf248ec4c9a63bbeb2b46a4fbb5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c871dbf2cd502621512fd5b4de6487524b8bf248ec4c9a63bbeb2b46a4fbb5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c871dbf2cd502621512fd5b4de6487524b8bf248ec4c9a63bbeb2b46a4fbb5a2", kill_on_drop: false }`
[INFO] [stdout] c871dbf2cd502621512fd5b4de6487524b8bf248ec4c9a63bbeb2b46a4fbb5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1cfe33f57ac3ac50f95cbc935fc56ac0022ff4565d20df2b25c0bd6ca21e30bb
[INFO] running `Command { std: "docker" "start" "-a" "1cfe33f57ac3ac50f95cbc935fc56ac0022ff4565d20df2b25c0bd6ca21e30bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
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[INFO] [stdout] warning: fields `label` and `parent` are never read
[INFO] [stdout]   --> src/draw_io/types.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct DiagramTerm {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 16 |         pub id: String,
[INFO] [stdout] 17 |         pub label: Option<String>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 18 |         pub parent: Option<String>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramTerm` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `id` and `label` are never read
[INFO] [stdout]   --> src/draw_io/types.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub struct DiagramEdge {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 23 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 24 |         pub label: Option<String>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramEdge` 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: function `load_template` is never used
[INFO] [stdout]   --> src/templates/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn load_template(name: &OsStr) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/templates/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                       let file_key = path
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 29 | |                         .file_stem()
[INFO] [stdout] 30 | |                         .ok_or("Value not found")?
[INFO] [stdout] 31 | |                         .to_os_string()
[INFO] [stdout] 32 | |                         .into_string()
[INFO] [stdout] 33 | |                         .map_err(|os_str| panic!("Invalid UTF-8 for file key: {:?}", os_str))?;
[INFO] [stdout]    | |______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/templates/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                       let file_key = path
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 29 | |                         .file_stem()
[INFO] [stdout] 30 | |                         .ok_or("Value not found")?
[INFO] [stdout] 31 | |                         .to_os_string()
[INFO] [stdout] 32 | |                         .into_string()
[INFO] [stdout] 33 | |                         .map_err(|os_str| panic!("Invalid UTF-8 for file key: {:?}", os_str))?;
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/templates/mod.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                         file_name.to_os_string().into_string().map_err(|os_str| {
[INFO] [stdout] 36 | |                             panic!("Invalid UTF-8 for template_file_path: {:?}", os_str)
[INFO] [stdout] 37 | |                         })?;
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/templates/mod.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                         file_name.to_os_string().into_string().map_err(|os_str| {
[INFO] [stdout] 36 | |                             panic!("Invalid UTF-8 for template_file_path: {:?}", os_str)
[INFO] [stdout] 37 | |                         })?;
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cemento` (bin "cemento" test) due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `label` and `parent` are never read
[INFO] [stdout]   --> src/draw_io/types.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct DiagramTerm {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 16 |         pub id: String,
[INFO] [stdout] 17 |         pub label: Option<String>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 18 |         pub parent: Option<String>,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramTerm` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `id` and `label` are never read
[INFO] [stdout]   --> src/draw_io/types.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub struct DiagramEdge {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 23 |         pub id: String,
[INFO] [stdout]    |             ^^
[INFO] [stdout] 24 |         pub label: Option<String>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DiagramEdge` 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: function `load_template` is never used
[INFO] [stdout]   --> src/templates/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn load_template(name: &OsStr) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/templates/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                       let file_key = path
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 29 | |                         .file_stem()
[INFO] [stdout] 30 | |                         .ok_or("Value not found")?
[INFO] [stdout] 31 | |                         .to_os_string()
[INFO] [stdout] 32 | |                         .into_string()
[INFO] [stdout] 33 | |                         .map_err(|os_str| panic!("Invalid UTF-8 for file key: {:?}", os_str))?;
[INFO] [stdout]    | |______________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/templates/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                       let file_key = path
[INFO] [stdout]    |  ____________________________________^
[INFO] [stdout] 29 | |                         .file_stem()
[INFO] [stdout] 30 | |                         .ok_or("Value not found")?
[INFO] [stdout] 31 | |                         .to_os_string()
[INFO] [stdout] 32 | |                         .into_string()
[INFO] [stdout] 33 | |                         .map_err(|os_str| panic!("Invalid UTF-8 for file key: {:?}", os_str))?;
[INFO] [stdout]    | |_____________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::ops::ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/templates/mod.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                         file_name.to_os_string().into_string().map_err(|os_str| {
[INFO] [stdout] 36 | |                             panic!("Invalid UTF-8 for template_file_path: {:?}", os_str)
[INFO] [stdout] 37 | |                         })?;
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/templates/mod.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 | /                         file_name.to_os_string().into_string().map_err(|os_str| {
[INFO] [stdout] 36 | |                             panic!("Invalid UTF-8 for template_file_path: {:?}", os_str)
[INFO] [stdout] 37 | |                         })?;
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cemento` (bin "cemento") due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1cfe33f57ac3ac50f95cbc935fc56ac0022ff4565d20df2b25c0bd6ca21e30bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfe33f57ac3ac50f95cbc935fc56ac0022ff4565d20df2b25c0bd6ca21e30bb", kill_on_drop: false }`
[INFO] [stdout] 1cfe33f57ac3ac50f95cbc935fc56ac0022ff4565d20df2b25c0bd6ca21e30bb
