[INFO] cloning repository https://github.com/pulse-smith-ts56yu/bls12_381
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pulse-smith-ts56yu/bls12_381" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulse-smith-ts56yu%2Fbls12_381", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulse-smith-ts56yu%2Fbls12_381'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cfa05ed2c7ef0aaef3e76e19a09e5a18db75941
[INFO] testing pulse-smith-ts56yu/bls12_381 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpulse-smith-ts56yu%2Fbls12_381" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/pulse-smith-ts56yu/bls12_381
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/pulse-smith-ts56yu/bls12_381
[INFO] tweaked toml for git repo https://github.com/pulse-smith-ts56yu/bls12_381 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pulse-smith-ts56yu/bls12_381 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pulse-smith-ts56yu/bls12_381 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded ff v0.13.1
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[INFO] [stderr]   Downloaded oorandom v11.1.5
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[INFO] [stderr]   Downloaded plotters v0.3.7
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[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 578f493f6630b1cbb4e3752ab6f9c4400f9c3cdcbf343d9e95e3f55691eca4ee
[INFO] running `Command { std: "docker" "start" "-a" "578f493f6630b1cbb4e3752ab6f9c4400f9c3cdcbf343d9e95e3f55691eca4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578f493f6630b1cbb4e3752ab6f9c4400f9c3cdcbf343d9e95e3f55691eca4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578f493f6630b1cbb4e3752ab6f9c4400f9c3cdcbf343d9e95e3f55691eca4ee", kill_on_drop: false }`
[INFO] [stdout] 578f493f6630b1cbb4e3752ab6f9c4400f9c3cdcbf343d9e95e3f55691eca4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24acb492a5c4c45fc192f49acc24873ced2ad10bab73f44d228284ce8dad20d
[INFO] running `Command { std: "docker" "start" "-a" "d24acb492a5c4c45fc192f49acc24873ced2ad10bab73f44d228284ce8dad20d", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling bls12_381 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/scalar.rs:833:7
[INFO] [stdout]     |
[INFO] [stdout] 833 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `bits`, `default`, `digest`, `experimental`, `group`, `groups`, `nightly`, `pairing`, `pairings`, and `zeroize`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[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: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:652:5
[INFO] [stdout]     |
[INFO] [stdout] 652 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:657:5
[INFO] [stdout]     |
[INFO] [stdout] 657 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/g1.rs:982:5
[INFO] [stdout]     |
[INFO] [stdout] 982 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/g2.rs:1127:5
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/pairings.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "d24acb492a5c4c45fc192f49acc24873ced2ad10bab73f44d228284ce8dad20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24acb492a5c4c45fc192f49acc24873ced2ad10bab73f44d228284ce8dad20d", kill_on_drop: false }`
[INFO] [stdout] d24acb492a5c4c45fc192f49acc24873ced2ad10bab73f44d228284ce8dad20d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab9876a22061c3c1ddc5e64e3d1e023c66780ff1bb064305a05f2edb77c7b6e2
[INFO] running `Command { std: "docker" "start" "-a" "ab9876a22061c3c1ddc5e64e3d1e023c66780ff1bb064305a05f2edb77c7b6e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/scalar.rs:833:7
[INFO] [stdout]     |
[INFO] [stdout] 833 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `bits`, `default`, `digest`, `experimental`, `group`, `groups`, `nightly`, `pairing`, `pairings`, and `zeroize`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[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: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:652:5
[INFO] [stdout]     |
[INFO] [stdout] 652 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:657:5
[INFO] [stdout]     |
[INFO] [stdout] 657 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/g1.rs:982:5
[INFO] [stdout]     |
[INFO] [stdout] 982 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/g2.rs:1127:5
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/pairings.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling bls12_381 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/scalar.rs:833:7
[INFO] [stdout]     |
[INFO] [stdout] 833 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `bits`, `default`, `digest`, `experimental`, `group`, `groups`, `nightly`, `pairing`, `pairings`, and `zeroize`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[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: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:652:5
[INFO] [stdout]     |
[INFO] [stdout] 652 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/scalar.rs:657:5
[INFO] [stdout]     |
[INFO] [stdout] 657 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/g1.rs:982:5
[INFO] [stdout]     |
[INFO] [stdout] 982 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/g2.rs:1127:5
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/pairings.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.99s
[INFO] running `Command { std: "docker" "inspect" "ab9876a22061c3c1ddc5e64e3d1e023c66780ff1bb064305a05f2edb77c7b6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9876a22061c3c1ddc5e64e3d1e023c66780ff1bb064305a05f2edb77c7b6e2", kill_on_drop: false }`
[INFO] [stdout] ab9876a22061c3c1ddc5e64e3d1e023c66780ff1bb064305a05f2edb77c7b6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e2f1d3e6ab47ef32dc105cfb044d2385294474bc7ab5aa3b9fd124448e3ff00
[INFO] running `Command { std: "docker" "start" "-a" "7e2f1d3e6ab47ef32dc105cfb044d2385294474bc7ab5aa3b9fd124448e3ff00", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `std`
[INFO] [stderr]    --> src/scalar.rs:833:7
[INFO] [stderr]     |
[INFO] [stderr] 833 | #[cfg(feature = "std")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `alloc`, `bits`, `default`, `digest`, `experimental`, `group`, `groups`, `nightly`, `pairing`, `pairings`, and `zeroize`
[INFO] [stderr]     = help: consider adding `std` as a feature in `Cargo.toml`
[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: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/scalar.rs:652:5
[INFO] [stderr]     |
[INFO] [stderr] 652 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/scalar.rs:657:5
[INFO] [stderr]     |
[INFO] [stderr] 657 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/g1.rs:982:5
[INFO] [stderr]     |
[INFO] [stderr] 982 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]     --> src/g2.rs:1127:5
[INFO] [stderr]      |
[INFO] [stderr] 1127 |     #[must_use]
[INFO] [stderr]      |     ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/pairings.rs:481:5
[INFO] [stderr]     |
[INFO] [stderr] 481 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `bls12_381` (lib) generated 6 warnings (run `cargo fix --lib -p bls12_381` to apply 5 suggestions)
[INFO] [stderr] warning: `bls12_381` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bls12_381-f57b488ecfa27109)
[INFO] [stdout] 
[INFO] [stdout] running 98 tests
[INFO] [stdout] test fp2::test_addition ... ok
[INFO] [stdout] test fp2::test_conditional_selection ... ok
[INFO] [stdout] test fp2::test_equality ... ok
[INFO] [stdout] test fp2::test_negation ... ok
[INFO] [stdout] test fp2::test_squaring ... ok
[INFO] [stdout] test fp::test_debug ... ok
[INFO] [stdout] test fp2::test_lexicographic_largest ... ok
[INFO] [stdout] test fp::test_conditional_selection ... ok
[INFO] [stdout] test fp2::test_multiplication ... ok
[INFO] [stdout] test fp::test_equality ... ok
[INFO] [stdout] test fp::test_from_bytes ... ok
[INFO] [stdout] test fp::test_lexicographic_largest ... ok
[INFO] [stdout] test fp::test_multiplication ... ok
[INFO] [stdout] test fp::test_negation ... ok
[INFO] [stdout] test fp6::test_arithmetic ... ok
[INFO] [stdout] test g1::test_affine_negation_and_subtraction ... ok
[INFO] [stdout] test g1::test_affine_point_equality ... ok
[INFO] [stdout] test fp::test_sqrt ... ok
[INFO] [stdout] test fp::test_squaring ... ok
[INFO] [stdout] test fp2::test_subtraction ... ok
[INFO] [stdout] test g1::test_affine_to_projective ... ok
[INFO] [stdout] test fp::test_addition ... ok
[INFO] [stdout] test fp12::test_arithmetic ... ok
[INFO] [stdout] test g1::test_beta ... ok
[INFO] [stdout] test fp2::test_inversion ... ok
[INFO] [stdout] test g1::test_projective_addition ... ok
[INFO] [stdout] test g1::test_conditionally_select_projective ... ok
[INFO] [stdout] test g1::test_conditionally_select_affine ... ok
[INFO] [stdout] test g1::test_doubling ... ok
[INFO] [stdout] test g1::test_is_torsion_free ... ok
[INFO] [stdout] test g1::test_clear_cofactor ... ok
[INFO] [stdout] test g1::test_is_on_curve ... ok
[INFO] [stdout] test g1::test_projective_point_equality ... ok
[INFO] [stdout] test g1::test_mixed_addition ... ok
[INFO] [stdout] test fp::test_subtraction ... ok
[INFO] [stdout] test g1::test_projective_to_affine ... ok
[INFO] [stdout] test g1::test_projective_negation_and_subtraction ... ok
[INFO] [stdout] test fp::test_inversion ... ok
[INFO] [stdout] test g2::test_affine_negation_and_subtraction ... ok
[INFO] [stdout] test g2::test_affine_to_projective ... ok
[INFO] [stdout] test g2::test_affine_point_equality ... ok
[INFO] [stdout] test g2::test_conditionally_select_affine ... ok
[INFO] [stdout] test g2::test_conditionally_select_projective ... ok
[INFO] [stdout] test g2::test_is_on_curve ... ok
[INFO] [stdout] test g2::test_doubling ... ok
[INFO] [stdout] test g2::test_projective_point_equality ... ok
[INFO] [stdout] test g2::test_projective_negation_and_subtraction ... ok
[INFO] [stdout] test g1::test_batch_normalize ... ok
[INFO] [stdout] test g2::test_projective_addition ... ok
[INFO] [stdout] test g2::test_mixed_addition ... ok
[INFO] [stdout] test g2::test_psi ... ok
[INFO] [stdout] test fp2::test_sqrt ... ok
[INFO] [stdout] test g1::test_affine_scalar_multiplication ... ok
[INFO] [stdout] test g2::test_projective_to_affine ... ok
[INFO] [stdout] test g2::test_is_torsion_free ... ok
[INFO] [stdout] test scalar::test_addition ... ok
[INFO] [stdout] test scalar::test_constants ... ok
[INFO] [stdout] test scalar::test_double ... ok
[INFO] [stdout] test g1::test_projective_scalar_multiplication ... ok
[INFO] [stdout] test scalar::test_equality ... ok
[INFO] [stdout] test scalar::test_from_bytes ... ok
[INFO] [stdout] test scalar::test_from_bytes_wide_maximum ... ok
[INFO] [stdout] test scalar::test_from_bytes_wide_negative_one ... ok
[INFO] [stdout] test scalar::test_from_bytes_wide_r2 ... ok
[INFO] [stdout] test scalar::test_from_raw ... ok
[INFO] [stdout] test scalar::test_from_u512_max ... ok
[INFO] [stdout] test scalar::test_from_u512_r ... ok
[INFO] [stdout] test scalar::test_from_u512_r2 ... ok
[INFO] [stdout] test scalar::test_from_u512_zero ... ok
[INFO] [stdout] test scalar::test_inv ... ok
[INFO] [stdout] test scalar::test_inversion ... ok
[INFO] [stdout] test pairings::test_gt_generator ... ok
[INFO] [stdout] test scalar::test_negation ... ok
[INFO] [stdout] test g1::test_mul_by_x ... ok
[INFO] [stdout] test pairings::test_miller_loop_result_default ... ok
[INFO] [stdout] test scalar::test_multiplication ... ok
[INFO] [stdout] test scalar::test_subtraction ... ok
[INFO] [stdout] test scalar::test_invert_is_pow ... ok
[INFO] [stdout] test scalar::test_to_bytes ... ok
[INFO] [stdout] test scalar::test_zero ... ok
[INFO] [stdout] test g2::test_batch_normalize ... ok
[INFO] [stdout] test scalar::test_squaring ... ok
[INFO] [stdout] test pairings::test_unitary ... ok
[INFO] [stdout] test g2::test_mul_by_x ... ok
[INFO] [stdout] test g2::test_clear_cofactor ... ok
[INFO] [stdout] test g2::test_projective_scalar_multiplication ... ok
[INFO] [stdout] test g1::test_commutative_scalar_subgroup_multiplication ... ok
[INFO] [stdout] test pairings::test_bilinearity ... ok
[INFO] [stdout] test scalar::test_sqrt ... ok
[INFO] [stdout] test tests::test_pairing_result_against_relic ... ok
[INFO] [stdout] test pairings::tricking_miller_loop_result ... ok
[INFO] [stdout] test g2::test_affine_scalar_multiplication ... ok
[INFO] [stdout] test g2::test_commutative_scalar_subgroup_multiplication ... ok
[INFO] [stdout] test pairings::test_multi_miller_loop ... ok
[INFO] [stdout] test tests::g1_uncompressed_valid_test_vectors ... ok
[INFO] [stdout] test tests::g1_compressed_valid_test_vectors ... ok
[INFO] [stdout] test tests::g2_uncompressed_valid_test_vectors ... ok
[INFO] [stderr]    Doc-tests bls12_381
[INFO] [stdout] test tests::g2_compressed_valid_test_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 98 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.61s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e2f1d3e6ab47ef32dc105cfb044d2385294474bc7ab5aa3b9fd124448e3ff00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2f1d3e6ab47ef32dc105cfb044d2385294474bc7ab5aa3b9fd124448e3ff00", kill_on_drop: false }`
[INFO] [stdout] 7e2f1d3e6ab47ef32dc105cfb044d2385294474bc7ab5aa3b9fd124448e3ff00