[INFO] cloning repository https://github.com/fisherdarling/pass-check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fisherdarling/pass-check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fpass-check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fpass-check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4edbc53a9afa8d48b99fc21e5edba063bfe879d5
[INFO] checking fisherdarling/pass-check 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%2Ffisherdarling%2Fpass-check" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fisherdarling/pass-check
[INFO] finished tweaking git repo https://github.com/fisherdarling/pass-check
[INFO] tweaked toml for git repo https://github.com/fisherdarling/pass-check written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fisherdarling/pass-check 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/fisherdarling/pass-check 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 28af7e65e53e3cc2cf80839f83899045f65b9f63d2f2f9646726a5999fa418a7
[INFO] running `Command { std: "docker" "start" "-a" "28af7e65e53e3cc2cf80839f83899045f65b9f63d2f2f9646726a5999fa418a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28af7e65e53e3cc2cf80839f83899045f65b9f63d2f2f9646726a5999fa418a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28af7e65e53e3cc2cf80839f83899045f65b9f63d2f2f9646726a5999fa418a7", kill_on_drop: false }`
[INFO] [stdout] 28af7e65e53e3cc2cf80839f83899045f65b9f63d2f2f9646726a5999fa418a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2f08d7a541b4ec1f5380c5e2954c483b0bf9024a3ef8359778ebdb7bb5053438
[INFO] running `Command { std: "docker" "start" "-a" "2f08d7a541b4ec1f5380c5e2954c483b0bf9024a3ef8359778ebdb7bb5053438", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling llvm-ir v0.7.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling llvm-sys v110.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking llvm-ir-analysis v0.2.1
[INFO] [stderr]     Checking pass-check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `function_cache` is never read
[INFO] [stdout]   --> src/context.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Context<'m> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub(crate) analysis: CrossModuleAnalysis<'m>,
[INFO] [stdout] 11 |     pub(crate) function_cache: HashMap<&'m str, FunctionStats>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `function_cache` is never read
[INFO] [stdout]   --> src/context.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Context<'m> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 10 |     pub(crate) analysis: CrossModuleAnalysis<'m>,
[INFO] [stdout] 11 |     pub(crate) function_cache: HashMap<&'m str, FunctionStats>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original_json` and `new_json` are never read
[INFO] [stdout]   --> src/bin/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Modules {
[INFO] [stdout]    |     ------- fields in this variant
[INFO] [stdout] 71 |         original_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 72 |         new_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original_json` and `new_json` are never read
[INFO] [stdout]   --> src/bin/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Modules {
[INFO] [stdout]    |     ------- fields in this variant
[INFO] [stdout] 71 |         original_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 72 |         new_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Func { func_name: String },
[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, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Module { module_name: String },
[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/bin/main.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Func { func_name: String },
[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, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Module { module_name: String },
[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/bin/main.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Demangle { path: String },
[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/bin/main.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Demangle { path: String },
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         original_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         new_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         original_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         new_json: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pass-check` (bin "main" test) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pass-check` (bin "main") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2f08d7a541b4ec1f5380c5e2954c483b0bf9024a3ef8359778ebdb7bb5053438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f08d7a541b4ec1f5380c5e2954c483b0bf9024a3ef8359778ebdb7bb5053438", kill_on_drop: false }`
[INFO] [stdout] 2f08d7a541b4ec1f5380c5e2954c483b0bf9024a3ef8359778ebdb7bb5053438