[INFO] fetching crate cao-lang 0.2.6... [INFO] checking cao-lang-0.2.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate cao-lang 0.2.6 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate cao-lang 0.2.6 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cao-lang 0.2.6 [INFO] tweaked toml for crates.io crate cao-lang 0.2.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cao-lang 0.2.6 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 cao-lang 0.2.6 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de314024580770a7f14c1872c3a60cdd0d7cc94b2aafbe9abe091833115007d2 [INFO] running `Command { std: "docker" "start" "-a" "de314024580770a7f14c1872c3a60cdd0d7cc94b2aafbe9abe091833115007d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de314024580770a7f14c1872c3a60cdd0d7cc94b2aafbe9abe091833115007d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de314024580770a7f14c1872c3a60cdd0d7cc94b2aafbe9abe091833115007d2", kill_on_drop: false }` [INFO] [stdout] de314024580770a7f14c1872c3a60cdd0d7cc94b2aafbe9abe091833115007d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] be475b9d2696b9dcd9c2ba788cbf4d2a8cdfee2ad57955c7ef7bc6abd44874b5 [INFO] running `Command { std: "docker" "start" "-a" "be475b9d2696b9dcd9c2ba788cbf4d2a8cdfee2ad57955c7ef7bc6abd44874b5", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling winnow v0.7.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling serde_json v1.0.138 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking ryu v1.0.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Compiling thiserror v2.0.11 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking clap_builder v4.5.27 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking is-terminal v0.4.15 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking clap v4.5.28 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Checking env_logger v0.11.6 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling thiserror-impl v2.0.11 [INFO] [stderr] Compiling bytemuck_derive v1.8.1 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Checking bytemuck v1.21.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling serde_spanned v0.6.8 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling toml_edit v0.22.23 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking tracing-test v0.2.5 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling num_enum_derive v0.7.3 [INFO] [stderr] Checking num_enum v0.7.3 [INFO] [stderr] Checking cao-lang v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:120:53 [INFO] [stdout] | [INFO] [stdout] 120 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 121 | | Ok(Self::from_bytes(s.as_bytes())) [INFO] [stdout] 122 | | } [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/collections/handle_table.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | Ok(Self::from_bytes(s.as_bytes())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | ::from_str(key).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/handle_table.rs:297:18 [INFO] [stdout] | [INFO] [stdout] 297 | pub fn entry(&mut self, key: Handle) -> Entry { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 297 | pub fn entry(&mut self, key: Handle) -> Entry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:574:19 [INFO] [stdout] | [INFO] [stdout] 574 | let key = Handle::from_str(key).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:581:19 [INFO] [stdout] | [INFO] [stdout] 581 | let key = Handle::from_str(key).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/hash_map.rs:452:18 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn entry(&mut self, key: K) -> Result, MapError> [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 452 | pub fn entry(&mut self, key: K) -> Result, MapError> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiled_program.rs:72:18 [INFO] [stdout] | [INFO] [stdout] 72 | .get(Handle::from_str(name).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiler.rs:744:27 [INFO] [stdout] | [INFO] [stdout] 744 | let key = Handle::from_str(name.as_str()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiler/function.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | let name = VarName::from_str(name).expect("Bad variable name"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:131:34 [INFO] [stdout] | [INFO] [stdout] 131 | let varid = vars.ids.get(Handle::from_str(name).ok()?)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:189:19 [INFO] [stdout] | [INFO] [stdout] 189 | let key = Handle::from_str(name.as_ref()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:519:34 [INFO] [stdout] | [INFO] [stdout] 519 | let handle = Handle::from_str(fun_name).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cao-lang` (lib) due to 11 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:120:53 [INFO] [stdout] | [INFO] [stdout] 120 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 121 | | Ok(Self::from_bytes(s.as_bytes())) [INFO] [stdout] 122 | | } [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/collections/handle_table.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | Ok(Self::from_bytes(s.as_bytes())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | ::from_str(key).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/handle_table.rs:297:18 [INFO] [stdout] | [INFO] [stdout] 297 | pub fn entry(&mut self, key: Handle) -> Entry { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 297 | pub fn entry(&mut self, key: Handle) -> Entry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:574:19 [INFO] [stdout] | [INFO] [stdout] 574 | let key = Handle::from_str(key).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/collections/handle_table.rs:581:19 [INFO] [stdout] | [INFO] [stdout] 581 | let key = Handle::from_str(key).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/hash_map.rs:452:18 [INFO] [stdout] | [INFO] [stdout] 452 | pub fn entry(&mut self, key: K) -> Result, MapError> [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 452 | pub fn entry(&mut self, key: K) -> Result, MapError> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiled_program.rs:72:18 [INFO] [stdout] | [INFO] [stdout] 72 | .get(Handle::from_str(name).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiler.rs:744:27 [INFO] [stdout] | [INFO] [stdout] 744 | let key = Handle::from_str(name.as_str()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/compiler/function.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | let name = VarName::from_str(name).expect("Bad variable name"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:131:34 [INFO] [stdout] | [INFO] [stdout] 131 | let varid = vars.ids.get(Handle::from_str(name).ok()?)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:189:19 [INFO] [stdout] | [INFO] [stdout] 189 | let key = Handle::from_str(name.as_ref()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/vm.rs:519:34 [INFO] [stdout] | [INFO] [stdout] 519 | let handle = Handle::from_str(fun_name).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cao-lang` (lib test) due to 11 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "be475b9d2696b9dcd9c2ba788cbf4d2a8cdfee2ad57955c7ef7bc6abd44874b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be475b9d2696b9dcd9c2ba788cbf4d2a8cdfee2ad57955c7ef7bc6abd44874b5", kill_on_drop: false }` [INFO] [stdout] be475b9d2696b9dcd9c2ba788cbf4d2a8cdfee2ad57955c7ef7bc6abd44874b5