[INFO] fetching crate dashu-int 0.4.1...
[INFO] testing dashu-int-0.4.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate dashu-int 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dashu-int 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dashu-int 0.4.1
[INFO] tweaked toml for crates.io crate dashu-int 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dashu-int 0.4.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dashu-int 0.4.1 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a04a06d933bc7cd3478da4cfe999a445083634e6bfe9cb48da9645f3341b5e2
[INFO] running `Command { std: "docker" "start" "-a" "9a04a06d933bc7cd3478da4cfe999a445083634e6bfe9cb48da9645f3341b5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a04a06d933bc7cd3478da4cfe999a445083634e6bfe9cb48da9645f3341b5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a04a06d933bc7cd3478da4cfe999a445083634e6bfe9cb48da9645f3341b5e2", kill_on_drop: false }`
[INFO] [stdout] 9a04a06d933bc7cd3478da4cfe999a445083634e6bfe9cb48da9645f3341b5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a191e00f5d5dabca42d5f9e0374c7fcacbe515070c16bea628ae03e0dd309abd
[INFO] running `Command { std: "docker" "start" "-a" "a191e00f5d5dabca42d5f9e0374c7fcacbe515070c16bea628ae03e0dd309abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling dashu-base v0.4.0
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling dashu-int v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if #[cfg(force_bits = "16")] {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("16"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"16\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     else if #[cfg(force_bits = "32")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("32"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"32\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     else if #[cfg(force_bits = "64")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("64"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"64\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MAX` is never used
[INFO] [stdout]    --> src/primitive.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub trait PrimitiveUnsigned
[INFO] [stdout]     |           ----------------- associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 133 |     const MAX: Self;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/fmt/digit_writer.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter {
[INFO] [stdout]    |                         ^^ this lifetime flows to the output             ----------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter<'a> {
[INFO] [stdout]    |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/power_two.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge {
[INFO] [stdout]     |                   ^^^^^^^                   ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory {
[INFO] [stdout]    |                   ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                        --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                                |
[INFO] [stdout]    |                                         |                                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                    --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                            |
[INFO] [stdout]    |                                         |                            the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory) {
[INFO] [stdout]     |           --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:143:40
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory)
[INFO] [stdout]     |                                        ^^^^^^^^^                         --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        |                                 |
[INFO] [stdout]     |                                        |                                 the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory<'_>)
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |         &'a self,
[INFO] [stdout]     |          ^^ this lifetime flows to the output
[INFO] [stdout] 198 |         x: T,
[INFO] [stdout] 199 |     ) -> Reduced {
[INFO] [stdout]     |          ------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     ) -> Reduced<'a> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/modular/reducer.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced {
[INFO] [stdout]    |                                ^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:561:19
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:589:19
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.66s
[INFO] running `Command { std: "docker" "inspect" "a191e00f5d5dabca42d5f9e0374c7fcacbe515070c16bea628ae03e0dd309abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a191e00f5d5dabca42d5f9e0374c7fcacbe515070c16bea628ae03e0dd309abd", kill_on_drop: false }`
[INFO] [stdout] a191e00f5d5dabca42d5f9e0374c7fcacbe515070c16bea628ae03e0dd309abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18f3df65a447bc191de36d59842789a4781585f1489c64e57bc19a907582c94
[INFO] running `Command { std: "docker" "start" "-a" "f18f3df65a447bc191de36d59842789a4781585f1489c64e57bc19a907582c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling clap v4.4.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling embedded-io v0.4.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if #[cfg(force_bits = "16")] {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("16"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"16\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     else if #[cfg(force_bits = "32")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("32"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"32\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     else if #[cfg(force_bits = "64")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("64"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"64\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MAX` is never used
[INFO] [stdout]    --> src/primitive.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub trait PrimitiveUnsigned
[INFO] [stdout]     |           ----------------- associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 133 |     const MAX: Self;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/fmt/digit_writer.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter {
[INFO] [stdout]    |                         ^^ this lifetime flows to the output             ----------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter<'a> {
[INFO] [stdout]    |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/power_two.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge {
[INFO] [stdout]     |                   ^^^^^^^                   ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory {
[INFO] [stdout]    |                   ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                        --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                                |
[INFO] [stdout]    |                                         |                                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                    --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                            |
[INFO] [stdout]    |                                         |                            the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory) {
[INFO] [stdout]     |           --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:143:40
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory)
[INFO] [stdout]     |                                        ^^^^^^^^^                         --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        |                                 |
[INFO] [stdout]     |                                        |                                 the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory<'_>)
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |         &'a self,
[INFO] [stdout]     |          ^^ this lifetime flows to the output
[INFO] [stdout] 198 |         x: T,
[INFO] [stdout] 199 |     ) -> Reduced {
[INFO] [stdout]     |          ------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     ) -> Reduced<'a> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/modular/reducer.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced {
[INFO] [stdout]    |                                ^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:561:19
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:589:19
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling serde_test v1.0.176
[INFO] [stderr]    Compiling postcard v1.0.8
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling dashu-int v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> tests/sign.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     assert_eq!(-ibig!(-123), ibig!(123));
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]   --> tests/helper_macros.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (- <::dashu_int::IBig as ::core::convert::From<::dashu_int::UBig>>::from($crate::ubig!($val)))
[INFO] [stdout]    |         +                                                                                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     if #[cfg(force_bits = "16")] {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("16"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"16\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     else if #[cfg(force_bits = "32")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("32"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"32\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stdout]   --> src/arch/mod.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     else if #[cfg(force_bits = "64")] {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("64"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"64\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MAX` is never used
[INFO] [stdout]    --> src/primitive.rs:133:11
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub trait PrimitiveUnsigned
[INFO] [stdout]     |           ----------------- associated constant in this trait
[INFO] [stdout] ...
[INFO] [stdout] 133 |     const MAX: Self;
[INFO] [stdout]     |           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/mod.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stdout]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/fmt/digit_writer.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter {
[INFO] [stdout]    |                         ^^ this lifetime flows to the output             ----------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter<'a> {
[INFO] [stdout]    |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fmt/power_two.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge {
[INFO] [stdout]     |                   ^^^^^^^                   ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory {
[INFO] [stdout]    |                   ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn memory(&mut self) -> Memory<'_> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                        --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                                |
[INFO] [stdout]    |                                         |                                the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/memory.rs:99:41
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory) {
[INFO] [stdout]    |                                         ^^^^^^^^^                    --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         |                            |
[INFO] [stdout]    |                                         |                            the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory) {
[INFO] [stdout]     |           --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     ) -> (&mut [T], Memory<'_>) {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/memory.rs:143:40
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory)
[INFO] [stdout]     |                                        ^^^^^^^^^                         --------  ------ the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        |                                 |
[INFO] [stdout]     |                                        |                                 the lifetimes get resolved as `'_`
[INFO] [stdout]     |                                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory<'_>)
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/modular/convert.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |         &'a self,
[INFO] [stdout]     |          ^^ this lifetime flows to the output
[INFO] [stdout] 198 |         x: T,
[INFO] [stdout] 199 |     ) -> Reduced {
[INFO] [stdout]     |          ------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     ) -> Reduced<'a> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/modular/reducer.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced {
[INFO] [stdout]    |                                ^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:561:19
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 561 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/repr.rs:589:19
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stdout]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 589 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "f18f3df65a447bc191de36d59842789a4781585f1489c64e57bc19a907582c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18f3df65a447bc191de36d59842789a4781585f1489c64e57bc19a907582c94", kill_on_drop: false }`
[INFO] [stdout] f18f3df65a447bc191de36d59842789a4781585f1489c64e57bc19a907582c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0cd4a0ecb46d47d7296d3caf4bb67923c9e593b30f4fdfb663803ecaad5ef4b
[INFO] running `Command { std: "docker" "start" "-a" "b0cd4a0ecb46d47d7296d3caf4bb67923c9e593b30f4fdfb663803ecaad5ef4b", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stderr]   --> src/arch/mod.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if #[cfg(force_bits = "16")] {
[INFO] [stderr]    |              ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("16"))'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"16\"))");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stderr]   --> src/arch/mod.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     else if #[cfg(force_bits = "32")] {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("32"))'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"32\"))");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `force_bits`
[INFO] [stderr]   --> src/arch/mod.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     else if #[cfg(force_bits = "64")] {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(force_bits, values("64"))'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(force_bits, values(\"64\"))");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `MAX` is never used
[INFO] [stderr]    --> src/primitive.rs:133:11
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub trait PrimitiveUnsigned
[INFO] [stderr]     |           ----------------- associated constant in this trait
[INFO] [stderr] ...
[INFO] [stderr] 133 |     const MAX: Self;
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/fmt/mod.rs:206:21
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stderr]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/fmt/mod.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix {
[INFO] [stderr]     |                     ^^^^^                 ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn in_radix(&self, radix: u32) -> InRadix<'_> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/fmt/digit_writer.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter {
[INFO] [stderr]    |                         ^^ this lifetime flows to the output             ----------- the lifetime gets resolved as `'a`
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(writer: &'a mut dyn fmt::Write, digit_case: DigitCase) -> DigitWriter<'a> {
[INFO] [stderr]    |                                                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/fmt/power_two.rs:122:19
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge {
[INFO] [stderr]     |                   ^^^^^^^                   ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn new(words: &[Word], radix: Digit) -> PreparedLarge<'_> {
[INFO] [stderr]     |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/memory.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn memory(&mut self) -> Memory {
[INFO] [stderr]    |                   ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn memory(&mut self) -> Memory<'_> {
[INFO] [stderr]    |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/memory.rs:81:41
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory) {
[INFO] [stderr]    |                                         ^^^^^^^^^                        --------  ------ the lifetimes get resolved as `'_`
[INFO] [stderr]    |                                         |                                |
[INFO] [stderr]    |                                         |                                the lifetimes get resolved as `'_`
[INFO] [stderr]    |                                         this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn allocate_slice_fill<T: Copy>(&mut self, n: usize, val: T) -> (&mut [T], Memory<'_>) {
[INFO] [stderr]    |                                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/memory.rs:99:41
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory) {
[INFO] [stderr]    |                                         ^^^^^^^^^                    --------  ------ the lifetimes get resolved as `'_`
[INFO] [stderr]    |                                         |                            |
[INFO] [stderr]    |                                         |                            the lifetimes get resolved as `'_`
[INFO] [stderr]    |                                         this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn allocate_slice_copy<T: Copy>(&mut self, source: &[T]) -> (&mut [T], Memory<'_>) {
[INFO] [stderr]    |                                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/memory.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stderr] ...
[INFO] [stderr] 122 |     ) -> (&mut [T], Memory) {
[INFO] [stderr]     |           --------  ------ the lifetimes get resolved as `'_`
[INFO] [stderr]     |           |
[INFO] [stderr]     |           the lifetimes get resolved as `'_`
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |     ) -> (&mut [T], Memory<'_>) {
[INFO] [stderr]     |                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/memory.rs:143:40
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory)
[INFO] [stderr]     |                                        ^^^^^^^^^                         --------  ------ the lifetimes get resolved as `'_`
[INFO] [stderr]     |                                        |                                 |
[INFO] [stderr]     |                                        |                                 the lifetimes get resolved as `'_`
[INFO] [stderr]     |                                        this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn allocate_slice_initialize<T, F>(&mut self, n: usize, init: F) -> (&mut [T], Memory<'_>)
[INFO] [stderr]     |                                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/modular/convert.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/modular/convert.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn into_ring(self, ring: &ConstDivisor) -> Reduced<'_> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/modular/convert.rs:197:10
[INFO] [stderr]     |
[INFO] [stderr] 197 |         &'a self,
[INFO] [stderr]     |          ^^ this lifetime flows to the output
[INFO] [stderr] 198 |         x: T,
[INFO] [stderr] 199 |     ) -> Reduced {
[INFO] [stderr]     |          ------- the lifetime gets resolved as `'a`
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 199 |     ) -> Reduced<'a> {
[INFO] [stderr]     |                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/modular/reducer.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced {
[INFO] [stderr]    |                                ^^^^^                    ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                                |
[INFO] [stderr]    |                                this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn convert_from_normalized(&self, target: &UBig) -> Reduced<'_> {
[INFO] [stderr]    |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/repr.rs:561:19
[INFO] [stderr]     |
[INFO] [stderr] 561 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stderr]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 561 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/repr.rs:589:19
[INFO] [stderr]     |
[INFO] [stderr] 589 |     pub fn as_ref(&self) -> TypedReprRef {
[INFO] [stderr]     |                   ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 589 |     pub fn as_ref(&self) -> TypedReprRef<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dashu-int` (lib) generated 19 warnings
[INFO] [stderr] warning: use of a double negation
[INFO] [stderr]   --> tests/sign.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assert_eq!(-ibig!(-123), ibig!(123));
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stderr]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stderr]    = note: `#[warn(double_negations)]` on by default
[INFO] [stderr] help: add parentheses for clarity
[INFO] [stderr]   --> tests/helper_macros.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         (- <::dashu_int::IBig as ::core::convert::From<::dashu_int::UBig>>::from($crate::ubig!($val)))
[INFO] [stderr]    |         +                                                                                            +
[INFO] [stderr] 
[INFO] [stderr] warning: `dashu-int` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr] warning: `dashu-int` (test "sign") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dashu_int-256eec5c8367de83)
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test add::tests::test_add_one_in_place ... ok
[INFO] [stdout] test add::tests::test_add_in_place ... ok
[INFO] [stdout] test add::tests::test_sub_in_place ... ok
[INFO] [stdout] test add::tests::test_add_word_in_place ... ok
[INFO] [stdout] test add::tests::test_add_signed_word_in_place ... ok
[INFO] [stdout] test add::tests::test_sub_in_place_with_sign ... ok
[INFO] [stdout] test add::tests::test_sub_one_in_place ... ok
[INFO] [stdout] test add::tests::test_sub_word_in_place ... ok
[INFO] [stdout] test buffer::tests::test_erase_front ... ok
[INFO] [stdout] test bits::tests::test_and_not ... ok
[INFO] [stdout] test buffer::tests::test_extend ... ok
[INFO] [stdout] test buffer::tests::test_max_compact_capacity ... ok
[INFO] [stdout] test buffer::tests::test_allocate ... ok
[INFO] [stdout] test buffer::tests::test_default_capacity ... ok
[INFO] [stdout] test buffer::tests::test_ensure_capacity ... ok
[INFO] [stdout] test buffer::tests::test_push_resizing ... ok
[INFO] [stdout] test buffer::tests::test_pop_all_zeros ... ok
[INFO] [stdout] test buffer::tests::test_shrink ... ok
[INFO] [stdout] test buffer::tests::test_push_zeros_front ... ok
[INFO] [stdout] test buffer::tests::test_push_pop ... ok
[INFO] [stdout] test buffer::tests::test_truncate ... ok
[INFO] [stdout] test math::tests::test_bit_len ... ok
[INFO] [stdout] test buffer::tests::test_allocate_too_large - should panic ... FAILED
[INFO] [stdout] test buffer::tests::test_push_zeros ... ok
[INFO] [stdout] test math::tests::test_ones ... ok
[INFO] [stdout] test math::tests::test_round_up ... ok
[INFO] [stdout] test memory::tests::test_add_layout ... ok
[INFO] [stdout] test memory::tests::test_max_layout ... ok
[INFO] [stdout] test math::tests::test_ceil_div ... ok
[INFO] [stdout] test modular::pow::tests::test_pow_word ... ok
[INFO] [stdout] test buffer::tests::test_into_boxed_slice ... ok
[INFO] [stdout] test math::tests::test_ceil_log_2 ... ok
[INFO] [stdout] test primitive::tests::test_bits_bytes ... ok
[INFO] [stdout] test primitive::tests::test_double_word ... ok
[INFO] [stdout] test primitive::tests::test_try_from_sign_magnitude ... ok
[INFO] [stdout] test primitive::tests::test_to_sign_magnitude ... ok
[INFO] [stdout] test primitive::tests::test_word_from_be_bytes_partial ... ok
[INFO] [stdout] test math::tests::test_max_exp_in_word ... ok
[INFO] [stdout] test radix::tests::test_digit_from_utf8_byte ... ok
[INFO] [stdout] test repr::tests::test_clone ... ok
[INFO] [stdout] test repr::tests::test_clone_from ... ok
[INFO] [stdout] test primitive::tests::test_word_from_le_bytes_partial ... ok
[INFO] [stdout] test repr::tests::test_convert_buffer ... ok
[INFO] [stdout] test repr::tests::test_deref ... ok
[INFO] [stdout] test memory::tests::test_memory ... ok
[INFO] [stdout] test repr::tests::test_inline ... ok
[INFO] [stdout] test repr::tests::test_resizing_clone_from ... ok
[INFO] [stdout] test ubig::tests::test_buffer_to_ubig ... ok
[INFO] [stdout] test repr::tests::test_sign ... ok
[INFO] [stdout] test ubig::tests::test_clone ... ok
[INFO] [stdout] test ubig::tests::test_clone_from ... ok
[INFO] [stdout] test ubig::tests::test_const_generation ... ok
[INFO] [stdout] test buffer::tests::test_push_failed - should panic ... ok
[INFO] [stdout] test memory::tests::test_memory_ran_out - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- buffer::tests::test_allocate_too_large stdout ----
[INFO] [stdout] note: test did not panic as expected at src/buffer.rs:539:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     buffer::tests::test_allocate_too_large
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 53 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b0cd4a0ecb46d47d7296d3caf4bb67923c9e593b30f4fdfb663803ecaad5ef4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cd4a0ecb46d47d7296d3caf4bb67923c9e593b30f4fdfb663803ecaad5ef4b", kill_on_drop: false }`
[INFO] [stdout] b0cd4a0ecb46d47d7296d3caf4bb67923c9e593b30f4fdfb663803ecaad5ef4b
