[INFO] fetching crate hydroper_jet_compiler 0.2.0... [INFO] checking hydroper_jet_compiler-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate hydroper_jet_compiler 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate hydroper_jet_compiler 0.2.0 [INFO] finished tweaking crates.io crate hydroper_jet_compiler 0.2.0 [INFO] tweaked toml for crates.io crate hydroper_jet_compiler 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hydroper_jet_compiler 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding unicode-general-category v0.6.0 (available: v1.1.0) [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] 20f481ec61d18e5909aae62b0efa033054301dd3c616bb52db98414de217800c [INFO] running `Command { std: "docker" "start" "-a" "20f481ec61d18e5909aae62b0efa033054301dd3c616bb52db98414de217800c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20f481ec61d18e5909aae62b0efa033054301dd3c616bb52db98414de217800c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20f481ec61d18e5909aae62b0efa033054301dd3c616bb52db98414de217800c", kill_on_drop: false }` [INFO] [stdout] 20f481ec61d18e5909aae62b0efa033054301dd3c616bb52db98414de217800c [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] 055864d1775d5b096da10cfc1f5c54df5939b79591ec288f59bd747723d788b8 [INFO] running `Command { std: "docker" "start" "-a" "055864d1775d5b096da10cfc1f5c54df5939b79591ec288f59bd747723d788b8", kill_on_drop: false }` [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling unicode-general-category v0.6.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling lazy-regex-proc_macros v3.4.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking by_address v1.2.1 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking lazy-regex v3.4.2 [INFO] [stderr] Checking late_format v1.0.0 [INFO] [stderr] Checking file_paths v1.0.0 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Checking hydroper_jet_compiler v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `programs` [INFO] [stdout] --> verifier.rs:74:39 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn verify_programs(&mut self, programs: Vec>) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> verifier.rs:83:41 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn verify_expression(&mut self, expression: &Rc) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `host` is never read [INFO] [stdout] --> verifier.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Verifier { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 44 | host: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> compilation_unit/compilation_unit.rs:129:25 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn comments_mut(&self) -> RefMut>> { [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] 129 | pub fn comments_mut(&self) -> RefMut<'_, Vec>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> symbols/symbol_host.rs:140:20 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn factory(&self) -> SymbolFactory { [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] 140 | pub fn factory(&self) -> SymbolFactory<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:371:45 [INFO] [stdout] | [INFO] [stdout] 371 | let v: Result = (*v).try_into(); [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] --> symbols/abstract_range_number.rs:372:34 [INFO] [stdout] | [INFO] [stdout] 372 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:372:34 [INFO] [stdout] | [INFO] [stdout] 372 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:381:45 [INFO] [stdout] | [INFO] [stdout] 381 | let v: Result = (*v).try_into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:382:34 [INFO] [stdout] | [INFO] [stdout] 382 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:382:34 [INFO] [stdout] | [INFO] [stdout] 382 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:424:43 [INFO] [stdout] | [INFO] [stdout] 424 | Self::Int(v) => Self::Int((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:439:45 [INFO] [stdout] | [INFO] [stdout] 439 | Self::Long(v) => Self::Long((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:484:59 [INFO] [stdout] | [INFO] [stdout] 484 | Self::UnsignedInt(v) => Self::UnsignedInt((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> util/shared_array.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn iter(&self) -> SharedArrayIterator where T: Clone { [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] 77 | pub fn iter(&self) -> SharedArrayIterator<'_, T> where T: Clone { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> util/shared_map.rs:83:19 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn borrow(&self) -> std::cell::Ref> { [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] 83 | pub fn borrow(&self) -> std::cell::Ref<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hydroper_jet_compiler` (lib test) due to 9 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `programs` [INFO] [stdout] --> verifier.rs:74:39 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn verify_programs(&mut self, programs: Vec>) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> verifier.rs:83:41 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn verify_expression(&mut self, expression: &Rc) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `host` is never read [INFO] [stdout] --> verifier.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Verifier { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 44 | host: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> compilation_unit/compilation_unit.rs:129:25 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn comments_mut(&self) -> RefMut>> { [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] 129 | pub fn comments_mut(&self) -> RefMut<'_, Vec>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> symbols/symbol_host.rs:140:20 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn factory(&self) -> SymbolFactory { [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] 140 | pub fn factory(&self) -> SymbolFactory<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:371:45 [INFO] [stdout] | [INFO] [stdout] 371 | let v: Result = (*v).try_into(); [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] --> symbols/abstract_range_number.rs:372:34 [INFO] [stdout] | [INFO] [stdout] 372 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:372:34 [INFO] [stdout] | [INFO] [stdout] 372 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:381:45 [INFO] [stdout] | [INFO] [stdout] 381 | let v: Result = (*v).try_into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:382:34 [INFO] [stdout] | [INFO] [stdout] 382 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:382:34 [INFO] [stdout] | [INFO] [stdout] 382 | Self::Single(v.map(|v| v as f32).unwrap_or(f32::NAN)) [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:424:43 [INFO] [stdout] | [INFO] [stdout] 424 | Self::Int(v) => Self::Int((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:439:45 [INFO] [stdout] | [INFO] [stdout] 439 | Self::Long(v) => Self::Long((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> symbols/abstract_range_number.rs:484:59 [INFO] [stdout] | [INFO] [stdout] 484 | Self::UnsignedInt(v) => Self::UnsignedInt((*v).try_into().unwrap_or(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> util/shared_array.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn iter(&self) -> SharedArrayIterator where T: Clone { [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] 77 | pub fn iter(&self) -> SharedArrayIterator<'_, T> where T: Clone { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> util/shared_map.rs:83:19 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn borrow(&self) -> std::cell::Ref> { [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] 83 | pub fn borrow(&self) -> std::cell::Ref<'_, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hydroper_jet_compiler` (lib) due to 9 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "055864d1775d5b096da10cfc1f5c54df5939b79591ec288f59bd747723d788b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "055864d1775d5b096da10cfc1f5c54df5939b79591ec288f59bd747723d788b8", kill_on_drop: false }` [INFO] [stdout] 055864d1775d5b096da10cfc1f5c54df5939b79591ec288f59bd747723d788b8