[INFO] cloning repository https://github.com/ariasanovsky/asm-viz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ariasanovsky/asm-viz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariasanovsky%2Fasm-viz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariasanovsky%2Fasm-viz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2068fe6ca7755696b0f30254de24a672a740effb
[INFO] checking ariasanovsky/asm-viz against 8006091eb71ae7d9e9bccb66c6122c9d68af4466 for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariasanovsky%2Fasm-viz" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ariasanovsky/asm-viz
[INFO] finished tweaking git repo https://github.com/ariasanovsky/asm-viz
[INFO] tweaked toml for git repo https://github.com/ariasanovsky/asm-viz written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ariasanovsky/asm-viz on toolchain 8006091eb71ae7d9e9bccb66c6122c9d68af4466
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ariasanovsky/asm-viz 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" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496
[INFO] running `Command { std: "docker" "start" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking asm-viz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `version`, `target`, and `address_size` are never read
[INFO] [stdout]   --> src/ptx/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Metadata {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 42 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 43 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     address_size: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` 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: fields `data_type` and `name` are never read
[INFO] [stdout]   --> src/ptx/expression.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Parameter {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 59 |     data_type: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 60 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `return_value`, `name`, and `parameters` are never read
[INFO] [stdout]    --> src/ptx/expression.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | pub struct FunctionDeclaration {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 100 |     return_value: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 101 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 102 |     parameters: Vec<Parameter>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionDeclaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alignment`, `data_type`, `name`, `dimensions`, and `leftover` are never read
[INFO] [stdout]    --> src/ptx/expression.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct GlobalVariable {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 114 |     alignment: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 115 |     data_type: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 116 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 117 |     dimensions: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 118 |     leftover: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GlobalVariable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/ptx/mod.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for fun in &self.function_declarations.last() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         for fun in &self.function_declarations.last() {
[INFO] [stdout] 108 +         while let Some(fun) = &self.function_declarations.last() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 108 -         for fun in &self.function_declarations.last() {
[INFO] [stdout] 108 +         if let Some(fun) = &self.function_declarations.last() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version`, `target`, and `address_size` are never read
[INFO] [stdout]   --> src/ptx/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Metadata {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 42 |     version: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 43 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     address_size: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metadata` 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: fields `data_type` and `name` are never read
[INFO] [stdout]   --> src/ptx/expression.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Parameter {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 59 |     data_type: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 60 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `return_value`, `name`, and `parameters` are never read
[INFO] [stdout]    --> src/ptx/expression.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | pub struct FunctionDeclaration {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 100 |     return_value: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 101 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 102 |     parameters: Vec<Parameter>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionDeclaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alignment`, `data_type`, `name`, `dimensions`, and `leftover` are never read
[INFO] [stdout]    --> src/ptx/expression.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub struct GlobalVariable {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 114 |     alignment: usize,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 115 |     data_type: String,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 116 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 117 |     dimensions: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 118 |     leftover: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GlobalVariable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/ptx/mod.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |         for fun in &self.function_declarations.last() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         for fun in &self.function_declarations.last() {
[INFO] [stdout] 108 +         while let Some(fun) = &self.function_declarations.last() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 108 -         for fun in &self.function_declarations.last() {
[INFO] [stdout] 108 +         if let Some(fun) = &self.function_declarations.last() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496", kill_on_drop: false }`
[INFO] [stdout] 3ac95ff53150bf5d04630700bba9abd8e4a8e11918f7bc3ba1844f3fb5c27496