[INFO] crate eth_pairings 0.1.1 is already in cache
[INFO] extracting crate eth_pairings 0.1.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/eth_pairings/0.1.1
[INFO] extracting crate eth_pairings 0.1.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/eth_pairings/0.1.1
[INFO] validating manifest of eth_pairings-0.1.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eth_pairings-0.1.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eth_pairings-0.1.1
[INFO] finished frobbing eth_pairings-0.1.1
[INFO] frobbed toml for eth_pairings-0.1.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/eth_pairings/0.1.1/Cargo.toml
[INFO] started frobbing eth_pairings-0.1.1
[INFO] finished frobbing eth_pairings-0.1.1
[INFO] frobbed toml for eth_pairings-0.1.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/eth_pairings/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eth_pairings-0.1.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/eth_pairings/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a305355b587140aeb3a0492c2d0476ba8efcb904a08549f9acda9bdda72180b7
[INFO] running `"docker" "start" "-a" "a305355b587140aeb3a0492c2d0476ba8efcb904a08549f9acda9bdda72180b7"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling eth_pairings_repr_derive v0.1.0
[INFO] [stderr]     Checking eth_pairings v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `test`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | mod test;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: name the file either test.rs or test/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `eth_pairings`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `for_extesion`
[INFO] [stderr]    --> src/extension_towers/fp12_as_2_over3_over_2.rs:399:74
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn mul_by_nonresidue<EXT: FieldExtension<Element = Self>>(&mut self, for_extesion: &EXT) {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_for_extesion`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_scalars`
[INFO] [stderr]   --> src/sliding_window_exp.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(base: &F, one: F, window: usize, num_scalars: usize) -> Self {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_num_scalars`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U256`
[INFO] [stderr]  --> src/field.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct U256(U256Repr);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U320`
[INFO] [stderr]  --> src/field.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct U320(U320Repr);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U384`
[INFO] [stderr]   --> src/field.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct U384(U384Repr); 
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U448`
[INFO] [stderr]   --> src/field.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct U448(U448Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U512`
[INFO] [stderr]   --> src/field.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct U512(U512Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U576`
[INFO] [stderr]   --> src/field.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct U576(U576Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U640`
[INFO] [stderr]   --> src/field.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct U640(U640Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U704`
[INFO] [stderr]   --> src/field.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct U704(U704Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U768`
[INFO] [stderr]   --> src/field.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct U768(U768Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U832`
[INFO] [stderr]   --> src/field.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct U832(U832Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U896`
[INFO] [stderr]   --> src/field.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct U896(U896Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U960`
[INFO] [stderr]   --> src/field.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct U960(U960Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `U1024`
[INFO] [stderr]   --> src/field.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | struct U1024(U1024Repr);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_field`
[INFO] [stderr]    --> src/field.rs:206:1
[INFO] [stderr]     |
[INFO] [stderr] 206 | pub(crate) fn new_field<R: ElementRepr>(modulus: &str, radix: u32) -> Result<PrimeField<R>, ()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eea_inverse`
[INFO] [stderr]    --> src/fp.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub(crate) fn eea_inverse(&self) -> Option<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AIsMinus3`
[INFO] [stderr]  --> src/weierstrass/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     AIsMinus3,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BIsZero`
[INFO] [stderr]  --> src/weierstrass/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BIsZero,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_xy_from_homogenious`
[INFO] [stderr]    --> src/weierstrass/curve.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn into_xy_from_homogenious(&self) -> (C::BaseFieldElement, C::BaseFieldElement) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `non_residue`
[INFO] [stderr]    --> src/extension_towers/fp4_as_2_over_2.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     pub(crate) non_residue: Fp2<'a, E, F>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `non_residue`
[INFO] [stderr]    --> src/extension_towers/fp6_as_2_over_3.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     pub(crate) non_residue: Fp3<'a, E, F>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `non_residue`
[INFO] [stderr]    --> src/extension_towers/fp12_as_2_over3_over_2.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     pub(crate) non_residue: Fp6<'a, E, F>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `is_infinity`
[INFO] [stderr]   --> src/pairings/bls12/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     is_infinity: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> src/pairings/bls12/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn is_zero(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curve`
[INFO] [stderr]   --> src/pairings/bls12/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) curve: &'a WeierstrassCurve<'a, CB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fp2_extension`
[INFO] [stderr]   --> src/pairings/bls12/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub(crate) fp2_extension: &'a Extension2<'a, FE, F>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fp6_extension`
[INFO] [stderr]   --> src/pairings/bls12/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub(crate) fp6_extension: &'a Extension3Over2<'a, FE, F>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `is_infinity`
[INFO] [stderr]   --> src/pairings/bn/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     is_infinity: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> src/pairings/bn/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub(crate) fn is_zero(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curve`
[INFO] [stderr]   --> src/pairings/bn/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub(crate) curve: &'a WeierstrassCurve<'a, CB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fp2_extension`
[INFO] [stderr]   --> src/pairings/bn/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub(crate) fp2_extension: &'a Extension2<'a, FE, F>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `base_field`
[INFO] [stderr]   --> src/pairings/mnt6/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) base_field: &'a F,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curve`
[INFO] [stderr]   --> src/pairings/mnt6/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub(crate) curve: &'a WeierstrassCurve<'a, CB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `base_field`
[INFO] [stderr]   --> src/pairings/mnt4/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) base_field: &'a F,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curve`
[INFO] [stderr]   --> src/pairings/mnt4/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub(crate) curve: &'a WeierstrassCurve<'a, CB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_biguint_with_length`
[INFO] [stderr]   --> src/public_interface/decode_utils.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / pub(crate) fn decode_biguint_with_length<
[INFO] [stderr] 20 | |     'a
[INFO] [stderr] 21 | |     >
[INFO] [stderr] 22 | |     (
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     Ok((x, rest))
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a305355b587140aeb3a0492c2d0476ba8efcb904a08549f9acda9bdda72180b7"`
[INFO] running `"docker" "rm" "-f" "a305355b587140aeb3a0492c2d0476ba8efcb904a08549f9acda9bdda72180b7"`
[INFO] [stdout] a305355b587140aeb3a0492c2d0476ba8efcb904a08549f9acda9bdda72180b7