[INFO] fetching crate believer 0.2.1...
[INFO] checking believer-0.2.1 against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] extracting crate believer 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate believer 0.2.1
[INFO] finished tweaking crates.io crate believer 0.2.1
[INFO] tweaked toml for crates.io crate believer 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate believer 0.2.1 on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate believer 0.2.1 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87
[INFO] running `Command { std: "docker" "start" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking believer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generators/random_checks/adjacency.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn initialize_adjacent_bits_getter(&self, source_bit: usize) -> AdjacentBitsGetter {
[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] 73 |     fn initialize_adjacent_bits_getter(&self, source_bit: usize) -> AdjacentBitsGetter<'_> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/generators/random_checks/generator.rs:397:43
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn get_random_bit_generator_for_check(&mut self, check: &[usize]) -> RandomBitGenerator<R> {
[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] 397 |     fn get_random_bit_generator_for_check(&mut self, check: &[usize]) -> RandomBitGenerator<'_, R> {
[INFO] [stdout]     |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn get_check(&self, check: usize) -> Option<CheckView> {
[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] 234 |     pub fn get_check(&self, check: usize) -> Option<CheckView<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:361:24
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn checks_iter(&self) -> ChecksIter {
[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] 361 |     pub fn checks_iter(&self) -> ChecksIter<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:382:23
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub fn edges_iter(&self) -> EdgesIter {
[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] 382 |     pub fn edges_iter(&self) -> EdgesIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parity_check_matrix/check_view.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<usize> {
[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] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/generators/random_checks/adjacency.rs:73:40
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn initialize_adjacent_bits_getter(&self, source_bit: usize) -> AdjacentBitsGetter {
[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] 73 |     fn initialize_adjacent_bits_getter(&self, source_bit: usize) -> AdjacentBitsGetter<'_> {
[INFO] [stdout]    |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/generators/random_checks/generator.rs:397:43
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn get_random_bit_generator_for_check(&mut self, check: &[usize]) -> RandomBitGenerator<R> {
[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] 397 |     fn get_random_bit_generator_for_check(&mut self, check: &[usize]) -> RandomBitGenerator<'_, R> {
[INFO] [stdout]     |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn get_check(&self, check: usize) -> Option<CheckView> {
[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] 234 |     pub fn get_check(&self, check: usize) -> Option<CheckView<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:361:24
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn checks_iter(&self) -> ChecksIter {
[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] 361 |     pub fn checks_iter(&self) -> ChecksIter<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parity_check_matrix/mod.rs:382:23
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub fn edges_iter(&self) -> EdgesIter {
[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] 382 |     pub fn edges_iter(&self) -> EdgesIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parity_check_matrix/check_view.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter(&self) -> std::slice::Iter<usize> {
[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] 32 |     pub fn iter(&self) -> std::slice::Iter<'_, usize> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87", kill_on_drop: false }`
[INFO] [stdout] 7bff03e5acbe7d939ec92abb7f593f64c73d8b328b40cbf95301df0ca6718e87
