[INFO] cloning repository https://github.com/richardcarls/polyserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardcarls/polyserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcarls%2Fpolyserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcarls%2Fpolyserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ab25eef7f6fb13f40222b6d1e4965002a7d710
[INFO] checking richardcarls/polyserve 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%2Frichardcarls%2Fpolyserve" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richardcarls/polyserve
[INFO] finished tweaking git repo https://github.com/richardcarls/polyserve
[INFO] tweaked toml for git repo https://github.com/richardcarls/polyserve written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richardcarls/polyserve 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 217 packages to latest compatible versions
[INFO] [stderr]       Adding clap v3.2.25 (available: v4.5.51)
[INFO] [stderr]       Adding config v0.11.0 (available: v0.15.19)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding handlebars v4.5.0 (available: v6.3.2)
[INFO] [stderr]       Adding roa v0.5.3 (available: v0.6.1)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 96c44e2d10abef764b45e40fa226698d561f6de9a3e4d7d119c4d6624bde832a
[INFO] running `Command { std: "docker" "start" "-a" "96c44e2d10abef764b45e40fa226698d561f6de9a3e4d7d119c4d6624bde832a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c44e2d10abef764b45e40fa226698d561f6de9a3e4d7d119c4d6624bde832a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c44e2d10abef764b45e40fa226698d561f6de9a3e4d7d119c4d6624bde832a", kill_on_drop: false }`
[INFO] [stdout] 96c44e2d10abef764b45e40fa226698d561f6de9a3e4d7d119c4d6624bde832a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 83772b21d401c6a668fdade443527c9e74fdabc958c875730005b0ed647ff43a
[INFO] running `Command { std: "docker" "start" "-a" "83772b21d401c6a668fdade443527c9e74fdabc958c875730005b0ed647ff43a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking async-signal v0.2.13
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking ucd-trie v0.1.7
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.5.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking bytesize v1.3.3
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking roa-core v0.5.1
[INFO] [stderr]     Checking roa v0.5.3
[INFO] [stderr]     Checking polyserve v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `uri_path` and `ancestors` are never read
[INFO] [stdout]   --> src/resource.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Resource {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     root_path: PathBuf,
[INFO] [stdout] 14 |     uri_path: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     fs_path: PathBuf,
[INFO] [stdout] 16 |     ancestors: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Resource` 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: method `ancestors` is never used
[INFO] [stdout]   --> src/resource.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Resource {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn ancestors(&self) -> Vec<&Path> {
[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:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     interface: String,
[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 `polyserve` (bin "polyserve" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     interface: String,
[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 `polyserve` (bin "polyserve") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "83772b21d401c6a668fdade443527c9e74fdabc958c875730005b0ed647ff43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83772b21d401c6a668fdade443527c9e74fdabc958c875730005b0ed647ff43a", kill_on_drop: false }`
[INFO] [stdout] 83772b21d401c6a668fdade443527c9e74fdabc958c875730005b0ed647ff43a
