[INFO] fetching crate halo2curves 0.10.0...
[INFO] checking halo2curves-0.10.0 against try#48c9d93cf65d550d124c40108859fd993778c157 for pr-153692-1
[INFO] extracting crate halo2curves 0.10.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate halo2curves 0.10.0
[INFO] finished tweaking crates.io crate halo2curves 0.10.0
[INFO] tweaked toml for crates.io crate halo2curves 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate halo2curves 0.10.0 on toolchain 48c9d93cf65d550d124c40108859fd993778c157
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate halo2curves 0.10.0 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" "+48c9d93cf65d550d124c40108859fd993778c157" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c30ac5de72a211d1af31d522c06682d5a6d7b44bcc074927f325a72f4778be36
[INFO] running `Command { std: "docker" "start" "-a" "c30ac5de72a211d1af31d522c06682d5a6d7b44bcc074927f325a72f4778be36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30ac5de72a211d1af31d522c06682d5a6d7b44bcc074927f325a72f4778be36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ac5de72a211d1af31d522c06682d5a6d7b44bcc074927f325a72f4778be36", kill_on_drop: false }`
[INFO] [stdout] c30ac5de72a211d1af31d522c06682d5a6d7b44bcc074927f325a72f4778be36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad551c371fd661a3c54476cd58a09c11aee45251438513d9c1ddb148c92b7d2
[INFO] running `Command { std: "docker" "start" "-a" "5ad551c371fd661a3c54476cd58a09c11aee45251438513d9c1ddb148c92b7d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]    Compiling serde_json v1.0.149
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[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling halo2curves v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking half v1.8.3
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[INFO] [stderr]     Checking pairing v0.23.0
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling halo2derive v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
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[INFO] [stdout] warning: unused import: `vec::Vec`
[INFO] [stdout]  --> src/t256/curve.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::{boxed::Box, vec::Vec};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bls12381/engine.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | crate::impl_gt!(Gt, Fq12, Fr);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bn256/engine.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | crate::impl_gt!(Gt, Fq12, Fr);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pluto_eris/engine.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout]  37 | crate::impl_gt!(Gt, Fp12, Fq);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec::Vec`
[INFO] [stdout]  --> src/t256/curve.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::{boxed::Box, vec::Vec};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::serde::SerdeObject`
[INFO] [stdout]    --> src/t256/curve.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     use crate::serde::SerdeObject;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bls12381/engine.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | crate::impl_gt!(Gt, Fq12, Fr);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bn256/engine.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | crate::impl_gt!(Gt, Fq12, Fr);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/derive/pairing.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pluto_eris/engine.rs:37:1
[INFO] [stdout]     |
[INFO] [stdout]  37 | crate::impl_gt!(Gt, Fp12, Fq);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `crate::impl_gt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EndoParameters` is never constructed
[INFO] [stdout]  --> src/arithmetic.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct EndoParameters {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CurveEndo` is never used
[INFO] [stdout]   --> src/arithmetic.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait CurveEndo: CurveExt {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `macx` is never used
[INFO] [stdout]   --> src/arithmetic.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) const fn macx(a: u64, b: u64, c: u64) -> (u64, u64) {
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_512` is never used
[INFO] [stdout]   --> src/arithmetic.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) fn mul_512(a: [u64; 4], b: [u64; 4]) -> [u64; 8] {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_flags` is never used
[INFO] [stdout]    --> src/serde.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub(crate) trait Compressed<C: crate::CurveAffine>:
[INFO] [stdout]     |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 301 |     fn set_flags(&mut self, c: &C) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDO_PARAMS` is never used
[INFO] [stdout]   --> src/bls12381/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const ENDO_PARAMS: EndoParameters = EndoParameters {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDO_PARAMS_BN` is never used
[INFO] [stdout]    --> src/bn256/curve.rs:137:7
[INFO] [stdout]     |
[INFO] [stdout] 137 | const ENDO_PARAMS_BN: EndoParameters = EndoParameters {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDO_PARAMS_GRUMPKIN` is never used
[INFO] [stdout]   --> src/grumpkin/curve.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 | const ENDO_PARAMS_GRUMPKIN: EndoParameters = EndoParameters {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDO_PARAMS_EQ` is never used
[INFO] [stdout]   --> src/pasta/curve.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const ENDO_PARAMS_EQ: EndoParameters = EndoParameters {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDO_PARAMS_EP` is never used
[INFO] [stdout]   --> src/pasta/curve.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ENDO_PARAMS_EP: EndoParameters = EndoParameters {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_flags` is never used
[INFO] [stdout]    --> src/serde.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub(crate) trait Compressed<C: crate::CurveAffine>:
[INFO] [stdout]     |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 301 |     fn set_flags(&mut self, c: &C) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.50s
[INFO] running `Command { std: "docker" "inspect" "5ad551c371fd661a3c54476cd58a09c11aee45251438513d9c1ddb148c92b7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad551c371fd661a3c54476cd58a09c11aee45251438513d9c1ddb148c92b7d2", kill_on_drop: false }`
[INFO] [stdout] 5ad551c371fd661a3c54476cd58a09c11aee45251438513d9c1ddb148c92b7d2
