[INFO] cloning repository https://github.com/RyanGibb/pubgrub-opam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyanGibb/pubgrub-opam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanGibb%2Fpubgrub-opam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanGibb%2Fpubgrub-opam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c26f4b969a76b607303e50cd9127e9b1ad7b38fe
[INFO] checking RyanGibb/pubgrub-opam 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%2FRyanGibb%2Fpubgrub-opam" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RyanGibb/pubgrub-opam
[INFO] finished tweaking git repo https://github.com/RyanGibb/pubgrub-opam
[INFO] tweaked toml for git repo https://github.com/RyanGibb/pubgrub-opam written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RyanGibb/pubgrub-opam 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/RyanGibb/pubgrub-opam 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] acf5e13a0ed9249bc7469f7bb6247476a7d75caefe1147ccac9c8298512a7938
[INFO] running `Command { std: "docker" "start" "-a" "acf5e13a0ed9249bc7469f7bb6247476a7d75caefe1147ccac9c8298512a7938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf5e13a0ed9249bc7469f7bb6247476a7d75caefe1147ccac9c8298512a7938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf5e13a0ed9249bc7469f7bb6247476a7d75caefe1147ccac9c8298512a7938", kill_on_drop: false }`
[INFO] [stdout] acf5e13a0ed9249bc7469f7bb6247476a7d75caefe1147ccac9c8298512a7938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b502c78de2e9a074db8f52c2921337a7c27740c55dc8e8ba081650a77b3a92cb
[INFO] running `Command { std: "docker" "start" "-a" "b502c78de2e9a074db8f52c2921337a7c27740c55dc8e8ba081650a77b3a92cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking version-ranges v0.1.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking priority-queue v2.1.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking pubgrub v0.3.0
[INFO] [stderr]     Checking pubgrub_opam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<opam_version::OpamVersion>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 148 |       ) -> Result<Option<Self::V>, Self::Err> {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 149 | |         Ok(self
[INFO] [stdout] 150 | |             .list_versions(package)
[INFO] [stdout] 151 | |             .filter(|v| range.contains(v))
[INFO] [stdout] 152 | |             .next())
[INFO] [stdout] 153 | |     }
[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::option::Option<opam_version::OpamVersion>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | /         Ok(self
[INFO] [stdout] 150 | |             .list_versions(package)
[INFO] [stdout] 151 | |             .filter(|v| range.contains(v))
[INFO] [stdout] 152 | |             .next())
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:159:70
[INFO] [stdout]     |
[INFO] [stdout] 159 |       ) -> Result<Dependencies<Self::P, Self::VS, Self::M>, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________________________^
[INFO] [stdout] 160 | |         match package {
[INFO] [stdout] 161 | |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout] 162 | |             Package::Base(pkg) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         match package {
[INFO] [stdout] 161 | |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout] 162 | |             Package::Base(pkg) => {
[INFO] [stdout] 163 | |                 let formulas = parse_dependencies_for_package_version(
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:161:36
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 162 |               Package::Base(pkg) => {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 163 | |                 let formulas = parse_dependencies_for_package_version(
[INFO] [stdout] 164 | |                     self.repo.as_str(),
[INFO] [stdout] 165 | |                     pkg,
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 186 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |             Package::ConflictClass(_) => Ok(Dependencies::Available(Map::default())),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:188:42
[INFO] [stdout]     |
[INFO] [stdout] 188 |               Package::Lor { lhs, rhs } => {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 189 | |                 let deps = match version {
[INFO] [stdout] 190 | |                     OpamVersion(ver) => match ver.as_str() {
[INFO] [stdout] 191 | |                         "lhs" => from_formula(*&lhs),
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 212 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:213:51
[INFO] [stdout]     |
[INFO] [stdout] 213 |               Package::Formula { name, formula } => {
[INFO] [stdout]     |  ___________________________________________________^
[INFO] [stdout] 214 | |                 let deps = match version {
[INFO] [stdout] 215 | |                     OpamVersion(ver) => match ver.as_str() {
[INFO] [stdout] 216 | |                         "true" => from_version_formula(Some(&name), formula),
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 239 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:240:49
[INFO] [stdout]     |
[INFO] [stdout] 240 |               Package::Proxy { name, formula } => {
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 241 | |                 let deps = from_proxy_formula(name.as_ref(), version, formula);
[INFO] [stdout] 242 | |                 if self.debug.get() {
[INFO] [stdout] 243 | |                     print!("({}, {})", package, version);
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 258 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |               Package::Var(_) => {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 260 | |                 if self.debug.get() {
[INFO] [stdout] 261 | |                     println!("({}, {})", package, version);
[INFO] [stdout] ...   |
[INFO] [stdout] 264 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<opam_version::OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 Ok(Dependencies::Available(Map::default()))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pubgrub_opam` (lib test) due to 16 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<OpamVersion>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 148 |       ) -> Result<Option<Self::V>, Self::Err> {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 149 | |         Ok(self
[INFO] [stdout] 150 | |             .list_versions(package)
[INFO] [stdout] 151 | |             .filter(|v| range.contains(v))
[INFO] [stdout] 152 | |             .next())
[INFO] [stdout] 153 | |     }
[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::option::Option<OpamVersion>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | /         Ok(self
[INFO] [stdout] 150 | |             .list_versions(package)
[INFO] [stdout] 151 | |             .filter(|v| range.contains(v))
[INFO] [stdout] 152 | |             .next())
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:159:70
[INFO] [stdout]     |
[INFO] [stdout] 159 |       ) -> Result<Dependencies<Self::P, Self::VS, Self::M>, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________________________^
[INFO] [stdout] 160 | |         match package {
[INFO] [stdout] 161 | |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout] 162 | |             Package::Base(pkg) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         match package {
[INFO] [stdout] 161 | |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout] 162 | |             Package::Base(pkg) => {
[INFO] [stdout] 163 | |                 let formulas = parse_dependencies_for_package_version(
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:161:36
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Package::Root(deps) => Ok(Dependencies::Available(deps.into_iter().cloned().collect())),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 162 |               Package::Base(pkg) => {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 163 | |                 let formulas = parse_dependencies_for_package_version(
[INFO] [stdout] 164 | |                     self.repo.as_str(),
[INFO] [stdout] 165 | |                     pkg,
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 186 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:187:42
[INFO] [stdout]     |
[INFO] [stdout] 187 |             Package::ConflictClass(_) => Ok(Dependencies::Available(Map::default())),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:188:42
[INFO] [stdout]     |
[INFO] [stdout] 188 |               Package::Lor { lhs, rhs } => {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 189 | |                 let deps = match version {
[INFO] [stdout] 190 | |                     OpamVersion(ver) => match ver.as_str() {
[INFO] [stdout] 191 | |                         "lhs" => from_formula(*&lhs),
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 212 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:213:51
[INFO] [stdout]     |
[INFO] [stdout] 213 |               Package::Formula { name, formula } => {
[INFO] [stdout]     |  ___________________________________________________^
[INFO] [stdout] 214 | |                 let deps = match version {
[INFO] [stdout] 215 | |                     OpamVersion(ver) => match ver.as_str() {
[INFO] [stdout] 216 | |                         "true" => from_version_formula(Some(&name), formula),
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 239 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:240:49
[INFO] [stdout]     |
[INFO] [stdout] 240 |               Package::Proxy { name, formula } => {
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 241 | |                 let deps = from_proxy_formula(name.as_ref(), version, formula);
[INFO] [stdout] 242 | |                 if self.debug.get() {
[INFO] [stdout] 243 | |                     print!("({}, {})", package, version);
[INFO] [stdout] ...   |
[INFO] [stdout] 257 | |                 Ok(Dependencies::Available(deps))
[INFO] [stdout] 258 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 Ok(Dependencies::Available(deps))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |               Package::Var(_) => {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 260 | |                 if self.debug.get() {
[INFO] [stdout] 261 | |                     println!("({}, {})", package, version);
[INFO] [stdout] ...   |
[INFO] [stdout] 264 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Dependencies<opam_deps::Package, Ranges<OpamVersion>, std::string::String>, Infallible>
[INFO] [stdout]    --> src/opam_deps.rs:263:17
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 Ok(Dependencies::Available(Map::default()))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pubgrub_opam` (lib) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "b502c78de2e9a074db8f52c2921337a7c27740c55dc8e8ba081650a77b3a92cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b502c78de2e9a074db8f52c2921337a7c27740c55dc8e8ba081650a77b3a92cb", kill_on_drop: false }`
[INFO] [stdout] b502c78de2e9a074db8f52c2921337a7c27740c55dc8e8ba081650a77b3a92cb