[INFO] fetching crate dear 0.1.1... [INFO] checking dear-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate dear 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate dear 0.1.1 [INFO] finished tweaking crates.io crate dear 0.1.1 [INFO] tweaked toml for crates.io crate dear 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dear 0.1.1 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 dear 0.1.1 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-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] 50f8dc62cdaf8e7e7e220d05a4b1cbb72ca46008f90399a9ddb2f35650e05590 [INFO] running `Command { std: "docker" "start" "-a" "50f8dc62cdaf8e7e7e220d05a4b1cbb72ca46008f90399a9ddb2f35650e05590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50f8dc62cdaf8e7e7e220d05a4b1cbb72ca46008f90399a9ddb2f35650e05590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50f8dc62cdaf8e7e7e220d05a4b1cbb72ca46008f90399a9ddb2f35650e05590", kill_on_drop: false }` [INFO] [stdout] 50f8dc62cdaf8e7e7e220d05a4b1cbb72ca46008f90399a9ddb2f35650e05590 [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] 0d8b201143d77de9cfb717b485e4f7cbc73464db8eeb019f897481bda0109edd [INFO] running `Command { std: "docker" "start" "-a" "0d8b201143d77de9cfb717b485e4f7cbc73464db8eeb019f897481bda0109edd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking owo-colors v3.4.0 [INFO] [stderr] Checking clap_lex v0.1.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking clap v3.1.9 [INFO] [stderr] Checking dear v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/lib.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | let _res = repo.list(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mustuse_in_always_ok)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/repository/in_memory.rs:19:66 [INFO] [stdout] | [INFO] [stdout] 19 | fn insert(&mut self, note: Note) -> Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 20 | | self.notes.push(note.clone()); [INFO] [stdout] 21 | | Ok(note) [INFO] [stdout] 22 | | } [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/repository/in_memory.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | Ok(note) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/repository/in_memory.rs:24:61 [INFO] [stdout] | [INFO] [stdout] 24 | fn list(&self) -> Result, Self::Error> { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 25 | | Ok(Box::new(self.notes.iter().cloned())) [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/repository/in_memory.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | Ok(Box::new(self.notes.iter().cloned())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | / #[clap(long)] [INFO] [stdout] 14 | | title: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / #[clap(long, short)] [INFO] [stdout] 17 | | description: Option, [INFO] [stdout] | |___________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / #[clap(long, short, multiple_occurrences(true))] [INFO] [stdout] 20 | | tags: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dear` (lib) due to 5 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/lib.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | let _res = repo.list(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mustuse_in_always_ok)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/core/list_notes.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | repo.insert(first_note).unwrap(); [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/core/list_notes.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | repo.insert(second_note).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/core/list_notes.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | repo.insert(third_note).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/core/list_notes.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | let res = repo.list().unwrap().collect::>(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/repository/in_memory.rs:19:66 [INFO] [stdout] | [INFO] [stdout] 19 | fn insert(&mut self, note: Note) -> Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 20 | | self.notes.push(note.clone()); [INFO] [stdout] 21 | | Ok(note) [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/repository/in_memory.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | Ok(note) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/repository/in_memory.rs:24:61 [INFO] [stdout] | [INFO] [stdout] 24 | fn list(&self) -> Result, Self::Error> { [INFO] [stdout] | _____________________________________________________________^ [INFO] [stdout] 25 | | Ok(Box::new(self.notes.iter().cloned())) [INFO] [stdout] 26 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this type continue be must used: Result>, Infallible> [INFO] [stdout] --> src/repository/in_memory.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | Ok(Box::new(self.notes.iter().cloned())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | / #[clap(long)] [INFO] [stdout] 14 | | title: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / #[clap(long, short)] [INFO] [stdout] 17 | | description: Option, [INFO] [stdout] | |___________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli/mod.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / #[clap(long, short, multiple_occurrences(true))] [INFO] [stdout] 20 | | tags: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dear` (lib test) due to 8 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0d8b201143d77de9cfb717b485e4f7cbc73464db8eeb019f897481bda0109edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d8b201143d77de9cfb717b485e4f7cbc73464db8eeb019f897481bda0109edd", kill_on_drop: false }` [INFO] [stdout] 0d8b201143d77de9cfb717b485e4f7cbc73464db8eeb019f897481bda0109edd