[INFO] cloning repository https://github.com/twizmwazin/segmentlist [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twizmwazin/segmentlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwizmwazin%2Fsegmentlist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwizmwazin%2Fsegmentlist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbe59735b001e2015a8afa291936068706f66a17 [INFO] checking twizmwazin/segmentlist 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%2Ftwizmwazin%2Fsegmentlist" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/twizmwazin/segmentlist [INFO] finished tweaking git repo https://github.com/twizmwazin/segmentlist [INFO] tweaked toml for git repo https://github.com/twizmwazin/segmentlist written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/twizmwazin/segmentlist 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/twizmwazin/segmentlist 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ca50248dabc926b8f05ca2f2a496650458cef489429766ff8a965998513dc25c [INFO] running `Command { std: "docker" "start" "-a" "ca50248dabc926b8f05ca2f2a496650458cef489429766ff8a965998513dc25c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca50248dabc926b8f05ca2f2a496650458cef489429766ff8a965998513dc25c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca50248dabc926b8f05ca2f2a496650458cef489429766ff8a965998513dc25c", kill_on_drop: false }` [INFO] [stdout] ca50248dabc926b8f05ca2f2a496650458cef489429766ff8a965998513dc25c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2524e3f292811eb39d73e9120ca4f79de35d071dde81689978418ecafce85fa3 [INFO] running `Command { std: "docker" "start" "-a" "2524e3f292811eb39d73e9120ca4f79de35d071dde81689978418ecafce85fa3", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.13.2 [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking unindent v0.2.4 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling pyo3-build-config v0.24.1 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling pyo3-ffi v0.24.1 [INFO] [stderr] Compiling pyo3-macros-backend v0.24.1 [INFO] [stderr] Compiling pyo3 v0.24.1 [INFO] [stderr] Compiling pyo3-macros v0.24.1 [INFO] [stderr] Checking segmentlist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn copy(&self) -> Self { [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 [INFO] [stdout] --> src/lib.rs:543:40 [INFO] [stdout] | [INFO] [stdout] 543 | pub fn search(&self, addr: u64) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:564:50 [INFO] [stdout] | [INFO] [stdout] 564 | pub fn next_free_pos(&self, address: u64) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:593:10 [INFO] [stdout] | [INFO] [stdout] 593 | ) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:663:48 [INFO] [stdout] | [INFO] [stdout] 663 | pub fn is_occupied(&self, address: u64) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn copy(&self) -> Self { [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, Infallible> [INFO] [stdout] --> src/lib.rs:680:48 [INFO] [stdout] | [INFO] [stdout] 680 | pub fn occupied_by(&self, address: u64) -> Option<(u64, u64, String)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:741:27 [INFO] [stdout] | [INFO] [stdout] 741 | pub fn copy(&self) -> SegmentList { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:543:40 [INFO] [stdout] | [INFO] [stdout] 543 | pub fn search(&self, addr: u64) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:564:50 [INFO] [stdout] | [INFO] [stdout] 564 | pub fn next_free_pos(&self, address: u64) -> u64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:593:10 [INFO] [stdout] | [INFO] [stdout] 593 | ) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:663:48 [INFO] [stdout] | [INFO] [stdout] 663 | pub fn is_occupied(&self, address: u64) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:680:48 [INFO] [stdout] | [INFO] [stdout] 680 | pub fn occupied_by(&self, address: u64) -> Option<(u64, u64, String)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:741:27 [INFO] [stdout] | [INFO] [stdout] 741 | pub fn copy(&self) -> SegmentList { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `segmentlist` (lib test) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `segmentlist` (lib) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "2524e3f292811eb39d73e9120ca4f79de35d071dde81689978418ecafce85fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2524e3f292811eb39d73e9120ca4f79de35d071dde81689978418ecafce85fa3", kill_on_drop: false }` [INFO] [stdout] 2524e3f292811eb39d73e9120ca4f79de35d071dde81689978418ecafce85fa3