[INFO] fetching crate smetamath 3.0.0...
[INFO] building smetamath-3.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate smetamath 3.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate smetamath 3.0.0
[INFO] finished tweaking crates.io crate smetamath 3.0.0
[INFO] tweaked toml for crates.io crate smetamath 3.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smetamath 3.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
[INFO] [stderr]       Adding filetime v0.1.15 (available: v0.2.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a7aee25da6fd7202fa19dd35ab0a96444967a0e181f6bd59a0801cfb82268d
[INFO] running `Command { std: "docker" "start" "-a" "f2a7aee25da6fd7202fa19dd35ab0a96444967a0e181f6bd59a0801cfb82268d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a7aee25da6fd7202fa19dd35ab0a96444967a0e181f6bd59a0801cfb82268d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a7aee25da6fd7202fa19dd35ab0a96444967a0e181f6bd59a0801cfb82268d", kill_on_drop: false }`
[INFO] [stdout] f2a7aee25da6fd7202fa19dd35ab0a96444967a0e181f6bd59a0801cfb82268d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd2615d744b8b2926df7ae56c5fc4e13d4250f4c1e1806a51a8865b7eca2afe
[INFO] running `Command { std: "docker" "start" "-a" "8cd2615d744b8b2926df7ae56c5fc4e13d4250f4c1e1806a51a8865b7eca2afe", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling smetamath v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:190:28
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let metadata = try!(fs::metadata(&path));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     try!(fh.read_to_end(&mut buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:196:34
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     let mut fh = try!(File::open(&path));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Job(usize, Box<FnMut() + Send>);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Job(usize, Box<dyn FnMut() + Send>);
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Promise<T>(Box<FnMut() -> T + Send>);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Promise<T>(Box<dyn FnMut() -> T + Send>);
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box<FnMut() + Send>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box<dyn FnMut() + Send>) {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `const_address` is never read
[INFO] [stdout]    --> src/nameck.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct LookupSymbol {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub const_address: Option<TokenAddress>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `typecode` are never read
[INFO] [stdout]    --> src/nameck.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub struct LookupFloat<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 290 |     pub label: TokenPtr<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 291 |     pub typecode: TokenPtr<'a>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]    --> src/nameck.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub struct LookupGlobalDv<'a> {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 296 |     pub address: StatementAddress,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]   --> src/scopeck.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct LocalEssentialInfo<'a> {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 83 |     valid: GlobalRange,
[INFO] [stdout] 84 |     label: TokenPtr<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalEssentialInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/segment_set.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct SourceInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 43 |     pub name: String,
[INFO] [stdout] 44 |     pub text: Arc<Vec<u8>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LongStr` is never constructed
[INFO] [stdout]    --> src/util.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct LongStr<'a>(pub &'a [u8]);
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nameck.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn atom_name(&self, atom: Atom) -> TokenPtr {
[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] 248 |     pub fn atom_name(&self, atom: Atom) -> TokenPtr<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nameck.rs:395:29
[INFO] [stdout]     |
[INFO] [stdout] 395 |     pub fn lookup_global_dv(&mut self) -> Vec<LookupGlobalDv> {
[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] 395 |     pub fn lookup_global_dv(&mut self) -> Vec<LookupGlobalDv<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/segment_set.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn segments(&self) -> Vec<SegmentRef> {
[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] 75 |     pub fn segments(&self) -> Vec<SegmentRef<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/segment_set.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn segment(&self, seg_id: SegmentId) -> SegmentRef {
[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] 89 |     pub fn segment(&self, seg_id: SegmentId) -> SegmentRef<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/segment_set.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn statement(&self, addr: StatementAddress) -> StatementRef {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden 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] 100 |     pub fn statement(&self, addr: StatementAddress) -> StatementRef<'_> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/util.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     &vec[from]; // for the bounds check
[INFO] [stdout]    |     ^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = &vec[from]; // for the bounds check
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 41.33s
[INFO] running `Command { std: "docker" "inspect" "8cd2615d744b8b2926df7ae56c5fc4e13d4250f4c1e1806a51a8865b7eca2afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd2615d744b8b2926df7ae56c5fc4e13d4250f4c1e1806a51a8865b7eca2afe", kill_on_drop: false }`
[INFO] [stdout] 8cd2615d744b8b2926df7ae56c5fc4e13d4250f4c1e1806a51a8865b7eca2afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa4a78fbd4859524afc735b1ef61461041879e7dfd0c141fc9596ff92b2f522
[INFO] running `Command { std: "docker" "start" "-a" "1fa4a78fbd4859524afc735b1ef61461041879e7dfd0c141fc9596ff92b2f522", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling smetamath v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:190:28
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let metadata = try!(fs::metadata(&path));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     try!(fh.read_to_end(&mut buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/segment_set.rs:196:34
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     let mut fh = try!(File::open(&path));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Job(usize, Box<FnMut() + Send>);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Job(usize, Box<dyn FnMut() + Send>);
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/database.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Promise<T>(Box<FnMut() -> T + Send>);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Promise<T>(Box<dyn FnMut() -> T + Send>);
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box<FnMut() + Send>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box<dyn FnMut() + Send>) {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/database.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `const_address` is never read
[INFO] [stdout]    --> src/nameck.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct LookupSymbol {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub const_address: Option<TokenAddress>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `typecode` are never read
[INFO] [stdout]    --> src/nameck.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub struct LookupFloat<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 290 |     pub label: TokenPtr<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 291 |     pub typecode: TokenPtr<'a>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]    --> src/nameck.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub struct LookupGlobalDv<'a> {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 296 |     pub address: StatementAddress,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]   --> src/scopeck.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct LocalEssentialInfo<'a> {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 83 |     valid: GlobalRange,
[INFO] [stdout] 84 |     label: TokenPtr<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalEssentialInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/segment_set.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct SourceInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 43 |     pub name: String,
[INFO] [stdout] 44 |     pub text: Arc<Vec<u8>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LongStr` is never constructed
[INFO] [stdout]    --> src/util.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct LongStr<'a>(pub &'a [u8]);
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nameck.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn atom_name(&self, atom: Atom) -> TokenPtr {
[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] 248 |     pub fn atom_name(&self, atom: Atom) -> TokenPtr<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nameck.rs:395:29
[INFO] [stdout]     |
[INFO] [stdout] 395 |     pub fn lookup_global_dv(&mut self) -> Vec<LookupGlobalDv> {
[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] 395 |     pub fn lookup_global_dv(&mut self) -> Vec<LookupGlobalDv<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/segment_set.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn segments(&self) -> Vec<SegmentRef> {
[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] 75 |     pub fn segments(&self) -> Vec<SegmentRef<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/segment_set.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn segment(&self, seg_id: SegmentId) -> SegmentRef {
[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] 89 |     pub fn segment(&self, seg_id: SegmentId) -> SegmentRef<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/segment_set.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn statement(&self, addr: StatementAddress) -> StatementRef {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^ the same lifetime is hidden 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] 100 |     pub fn statement(&self, addr: StatementAddress) -> StatementRef<'_> {
[INFO] [stdout]     |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/util.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     &vec[from]; // for the bounds check
[INFO] [stdout]    |     ^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = &vec[from]; // for the bounds check
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1fa4a78fbd4859524afc735b1ef61461041879e7dfd0c141fc9596ff92b2f522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa4a78fbd4859524afc735b1ef61461041879e7dfd0c141fc9596ff92b2f522", kill_on_drop: false }`
[INFO] [stdout] 1fa4a78fbd4859524afc735b1ef61461041879e7dfd0c141fc9596ff92b2f522
