[INFO] fetching crate amcl_wrapper_ml 0.5.1...
[INFO] checking amcl_wrapper_ml-0.5.1 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate amcl_wrapper_ml 0.5.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate amcl_wrapper_ml 0.5.1
[INFO] finished tweaking crates.io crate amcl_wrapper_ml 0.5.1
[INFO] tweaked toml for crates.io crate amcl_wrapper_ml 0.5.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate amcl_wrapper_ml 0.5.1 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to highest compatible versions
[INFO] [stderr]       Adding hash2curve v0.0.6 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] [stderr]       Adding sha2 v0.8.2 (available: v0.11.1)
[INFO] [stderr]       Adding sha3 v0.8.2 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f
[INFO] running `Command { std: "docker" "start" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f", 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" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f", 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" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking zeroize v1.9.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking amcl-milagro v3.2.6
[INFO] [stderr]     Checking keccak v0.1.6
[INFO] [stderr]     Checking either v1.19.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.154
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking lazy_static v1.5.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hash2curve v0.0.6
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking amcl_wrapper_ml v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/curve_order_elem.rs:934:54
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let r = (0..b.len()).into_par_iter().map(|i| (&self[i] * &b[i])).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout]     |                                                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 934 -         let r = (0..b.len()).into_par_iter().map(|i| (&self[i] * &b[i])).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout] 934 +         let r = (0..b.len()).into_par_iter().map(|i| &self[i] * &b[i]).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/curve_order_elem.rs:934:54
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let r = (0..b.len()).into_par_iter().map(|i| (&self[i] * &b[i])).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout]     |                                                      ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 934 -         let r = (0..b.len()).into_par_iter().map(|i| (&self[i] * &b[i])).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout] 934 +         let r = (0..b.len()).into_par_iter().map(|i| &self[i] * &b[i]).reduce(|| CurveOrderElement::new(), |a, b| a + b);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `CurveOrderElementVector`
[INFO] [stdout]    --> src/curve_order_elem.rs:895:9
[INFO] [stdout]     |
[INFO] [stdout] 895 |         scaled.into()
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 895 -         scaled.into()
[INFO] [stdout] 895 +         scaled
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 895 -         scaled.into()
[INFO] [stdout] 895 +         <CurveOrderElementVector as Into<_>>::into(scaled)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/curve_order_elem.rs:970:17
[INFO] [stdout]     |
[INFO] [stdout] 970 |     pub fn iter(&self) -> Iter<CurveOrderElement> {
[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] 970 |     pub fn iter(&self) -> Iter<'_, CurveOrderElement> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:534:13
[INFO] [stdout]     |
[INFO] [stdout] 534 |     fn iter(&self) -> Iter<T>;
[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] 534 |     fn iter(&self) -> Iter<'_, T>;
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 540 | macro_rules! impl_group_elem_vec_ops {
[INFO] [stdout] ...
[INFO] [stdout] 637 |             fn iter(&self) -> Iter<$group_element> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/group_elem_g1.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl_group_elem_vec_ops!(G1, G1Vector);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[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] 637 |             fn iter(&self) -> Iter<'_, $group_element> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 540 | macro_rules! impl_group_elem_vec_ops {
[INFO] [stdout] ...
[INFO] [stdout] 637 |             fn iter(&self) -> Iter<$group_element> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/group_elem_g2.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl_group_elem_vec_ops!(G2, G2Vector);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[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] 637 |             fn iter(&self) -> Iter<'_, $group_element> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amcl_wrapper_ml` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `curve_order_elem::CurveOrderElementVector`
[INFO] [stdout]    --> src/curve_order_elem.rs:895:9
[INFO] [stdout]     |
[INFO] [stdout] 895 |         scaled.into()
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 895 -         scaled.into()
[INFO] [stdout] 895 +         scaled
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 895 -         scaled.into()
[INFO] [stdout] 895 +         <curve_order_elem::CurveOrderElementVector as Into<_>>::into(scaled)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/curve_order_elem.rs:970:17
[INFO] [stdout]     |
[INFO] [stdout] 970 |     pub fn iter(&self) -> Iter<CurveOrderElement> {
[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] 970 |     pub fn iter(&self) -> Iter<'_, CurveOrderElement> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:534:13
[INFO] [stdout]     |
[INFO] [stdout] 534 |     fn iter(&self) -> Iter<T>;
[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] 534 |     fn iter(&self) -> Iter<'_, T>;
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 540 | macro_rules! impl_group_elem_vec_ops {
[INFO] [stdout] ...
[INFO] [stdout] 637 |             fn iter(&self) -> Iter<$group_element> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/group_elem_g1.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl_group_elem_vec_ops!(G1, G1Vector);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[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] 637 |             fn iter(&self) -> Iter<'_, $group_element> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/group_elem.rs:637:21
[INFO] [stdout]     |
[INFO] [stdout] 540 | macro_rules! impl_group_elem_vec_ops {
[INFO] [stdout] ...
[INFO] [stdout] 637 |             fn iter(&self) -> Iter<$group_element> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/group_elem_g2.rs:252:1
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl_group_elem_vec_ops!(G2, G2Vector);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[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] 637 |             fn iter(&self) -> Iter<'_, $group_element> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amcl_wrapper_ml` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f", kill_on_drop: false }`
[INFO] [stdout] 9a35e994a0da6cc8f3d7c37ce8bea03cdbd4db2b586164724a0e1f0a1dda857f
