[INFO] fetching crate libcnb-package 0.30.1...
[INFO] checking libcnb-package-0.30.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libcnb-package 0.30.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libcnb-package 0.30.1
[INFO] finished tweaking crates.io crate libcnb-package 0.30.1
[INFO] tweaked toml for crates.io crate libcnb-package 0.30.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcnb-package 0.30.1 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 crates.io crate libcnb-package 0.30.1 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-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] 7c270d86b98efea97ee2f4278cb48fb3bc4790955fbb0566d20f2640b5cff75f
[INFO] running `Command { std: "docker" "start" "-a" "7c270d86b98efea97ee2f4278cb48fb3bc4790955fbb0566d20f2640b5cff75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c270d86b98efea97ee2f4278cb48fb3bc4790955fbb0566d20f2640b5cff75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c270d86b98efea97ee2f4278cb48fb3bc4790955fbb0566d20f2640b5cff75f", kill_on_drop: false }`
[INFO] [stdout] 7c270d86b98efea97ee2f4278cb48fb3bc4790955fbb0566d20f2640b5cff75f
[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] 72190169e31f3eabdb2abc57c552ae6f90732e122f553254b09190cf5b7ebd9b
[INFO] running `Command { std: "docker" "start" "-a" "72190169e31f3eabdb2abc57c552ae6f90732e122f553254b09190cf5b7ebd9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking uriparse v0.6.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking which v8.0.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking fancy-regex v0.16.2
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cargo-platform v0.3.0
[INFO] [stderr]     Checking libcnb-common v0.30.1
[INFO] [stderr]    Compiling cargo_metadata v0.23.0
[INFO] [stderr]    Compiling libcnb-proc-macros v0.30.1
[INFO] [stderr]     Checking libcnb-data v0.30.1
[INFO] [stderr]     Checking libcnb-package v0.30.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<BuildpackId>, Infallible>
[INFO] [stdout]    --> src/buildpack_dependency_graph.rs:106:68
[INFO] [stdout]     |
[INFO] [stdout] 106 |       fn dependencies(&self) -> Result<Vec<BuildpackId>, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 107 | |         Ok(self.dependencies.clone())
[INFO] [stdout] 108 | |     }
[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 `libcnb-package` (lib) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<BuildpackId>, Infallible>
[INFO] [stdout]    --> src/buildpack_dependency_graph.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(self.dependencies.clone())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<BuildpackId>, Infallible>
[INFO] [stdout]    --> src/buildpack_dependency_graph.rs:106:68
[INFO] [stdout]     |
[INFO] [stdout] 106 |       fn dependencies(&self) -> Result<Vec<BuildpackId>, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 107 | |         Ok(self.dependencies.clone())
[INFO] [stdout] 108 | |     }
[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<Vec<BuildpackId>, Infallible>
[INFO] [stdout]    --> src/buildpack_dependency_graph.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(self.dependencies.clone())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]    --> src/dependency_graph.rs:118:67
[INFO] [stdout]     |
[INFO] [stdout] 118 |           fn dependencies(&self) -> Result<Vec<String>, Infallible> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 119 | |             Ok(self
[INFO] [stdout] 120 | |                 .1
[INFO] [stdout] 121 | |                 .iter()
[INFO] [stdout] 122 | |                 .map(std::string::ToString::to_string)
[INFO] [stdout] 123 | |                 .collect())
[INFO] [stdout] 124 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]    --> src/dependency_graph.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 | /             Ok(self
[INFO] [stdout] 120 | |                 .1
[INFO] [stdout] 121 | |                 .iter()
[INFO] [stdout] 122 | |                 .map(std::string::ToString::to_string)
[INFO] [stdout] 123 | |                 .collect())
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcnb-package` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "72190169e31f3eabdb2abc57c552ae6f90732e122f553254b09190cf5b7ebd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72190169e31f3eabdb2abc57c552ae6f90732e122f553254b09190cf5b7ebd9b", kill_on_drop: false }`
[INFO] [stdout] 72190169e31f3eabdb2abc57c552ae6f90732e122f553254b09190cf5b7ebd9b
