[INFO] fetching crate bls12_381 0.8.0...
[INFO] testing bls12_381-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate bls12_381 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bls12_381 0.8.0
[INFO] finished tweaking crates.io crate bls12_381 0.8.0
[INFO] tweaked toml for crates.io crate bls12_381 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bls12_381 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 99 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding csv v1.1.6 (available: v1.3.1)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] [stderr]       Adding rand_xorshift v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.10.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02891c3e7cfc855449ee5082d75d7162e9d9d384d8744f79d61c4d6a3f05b0d5
[INFO] running `Command { std: "docker" "start" "-a" "02891c3e7cfc855449ee5082d75d7162e9d9d384d8744f79d61c4d6a3f05b0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02891c3e7cfc855449ee5082d75d7162e9d9d384d8744f79d61c4d6a3f05b0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02891c3e7cfc855449ee5082d75d7162e9d9d384d8744f79d61c4d6a3f05b0d5", kill_on_drop: false }`
[INFO] [stdout] 02891c3e7cfc855449ee5082d75d7162e9d9d384d8744f79d61c4d6a3f05b0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2519823125727bb0287f13806e6334fd21b73a364b109fe22b9d26558f3c9e2
[INFO] running `Command { std: "docker" "start" "-a" "a2519823125727bb0287f13806e6334fd21b73a364b109fe22b9d26558f3c9e2", 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 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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "a2519823125727bb0287f13806e6334fd21b73a364b109fe22b9d26558f3c9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2519823125727bb0287f13806e6334fd21b73a364b109fe22b9d26558f3c9e2", kill_on_drop: false }`
[INFO] [stdout] a2519823125727bb0287f13806e6334fd21b73a364b109fe22b9d26558f3c9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f3b32bc72db4bfb1db809bc76a0d09d2a0ac84284b70a7d474caacf0294e651
[INFO] running `Command { std: "docker" "start" "-a" "7f3b32bc72db4bfb1db809bc76a0d09d2a0ac84284b70a7d474caacf0294e651", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 52.79s
[INFO] running `Command { std: "docker" "inspect" "7f3b32bc72db4bfb1db809bc76a0d09d2a0ac84284b70a7d474caacf0294e651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3b32bc72db4bfb1db809bc76a0d09d2a0ac84284b70a7d474caacf0294e651", kill_on_drop: false }`
[INFO] [stdout] 7f3b32bc72db4bfb1db809bc76a0d09d2a0ac84284b70a7d474caacf0294e651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17a77d8c8ead6a2537e0d3142eeafbd6cf5fb7b769b75a5a391cb59a8c09a95d
[INFO] running `Command { std: "docker" "start" "-a" "17a77d8c8ead6a2537e0d3142eeafbd6cf5fb7b769b75a5a391cb59a8c09a95d", 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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bls12_381-e6fc500877e7c7e0)
[INFO] [stdout] 
[INFO] [stdout] running 98 tests
[INFO] [stdout] test fp2::test_conditional_selection ... ok
[INFO] [stdout] test fp2::test_addition ... ok
[INFO] [stdout] test fp2::test_lexicographic_largest ... ok
[INFO] [stdout] test fp2::test_multiplication ... ok
[INFO] [stdout] test fp2::test_negation ... ok
[INFO] [stdout] test fp2::test_subtraction ... ok
[INFO] [stdout] test fp2::test_equality ... ok
[INFO] [stdout] test fp::test_conditional_selection ... ok
[INFO] [stdout] test fp2::test_inversion ... ok
[INFO] [stdout] test fp::test_addition ... ok
[INFO] [stdout] test fp::test_debug ... ok
[INFO] [stdout] test fp::test_equality ... ok
[INFO] [stdout] test fp::test_multiplication ... ok
[INFO] [stdout] test fp::test_negation ... ok
[INFO] [stdout] test fp::test_sqrt ... ok
[INFO] [stdout] test fp::test_from_bytes ... ok
[INFO] [stdout] test fp::test_subtraction ... ok
[INFO] [stdout] test fp6::test_arithmetic ... ok
[INFO] [stdout] test fp::test_squaring ... ok
[INFO] [stdout] test g1::test_affine_point_equality ... ok
[INFO] [stdout] test g1::test_affine_negation_and_subtraction ... ok
[INFO] [stdout] test g1::test_affine_to_projective ... ok
[INFO] [stdout] test fp2::test_squaring ... ok
[INFO] [stdout] test g1::test_beta ... ok
[INFO] [stdout] test g1::test_clear_cofactor ... ok
[INFO] [stdout] test g1::test_affine_scalar_multiplication ... ok
[INFO] [stdout] test g1::test_conditionally_select_projective ... ok
[INFO] [stdout] test g1::test_doubling ... ok
[INFO] [stdout] test g1::test_is_on_curve ... ok
[INFO] [stdout] test fp::test_lexicographic_largest ... ok
[INFO] [stdout] test g1::test_conditionally_select_affine ... ok
[INFO] [stdout] test fp::test_inversion ... ok
[INFO] [stdout] test g1::test_is_torsion_free ... ok
[INFO] [stdout] test g1::test_projective_negation_and_subtraction ... ok
[INFO] [stdout] test g1::test_mixed_addition ... ok
[INFO] [stdout] test g1::test_projective_point_equality ... ok
[INFO] [stdout] test g1::test_projective_addition ... ok
[INFO] [stdout] test g1::test_projective_to_affine ... ok
[INFO] [stdout] test g2::test_affine_point_equality ... ok
[INFO] [stdout] test g2::test_affine_negation_and_subtraction ... ok
[INFO] [stdout] test g2::test_affine_to_projective ... ok
[INFO] [stdout] test fp12::test_arithmetic ... ok
[INFO] [stdout] test fp2::test_sqrt ... ok
[INFO] [stdout] test g1::test_mul_by_x ... ok
[INFO] [stdout] test g2::test_conditionally_select_affine ... ok
[INFO] [stdout] test g2::test_conditionally_select_projective ... ok
[INFO] [stdout] test g1::test_projective_scalar_multiplication ... ok
[INFO] [stdout] test g2::test_doubling ... ok
[INFO] [stdout] test g2::test_is_on_curve ... ok
[INFO] [stdout] test g2::test_mixed_addition ... ok
[INFO] [stdout] test g1::test_batch_normalize ... ok
[INFO] [stdout] test g2::test_is_torsion_free ... ok
[INFO] [stdout] test g2::test_projective_negation_and_subtraction ... ok
[INFO] [stdout] test g2::test_projective_addition ... ok
[INFO] [stdout] test g2::test_projective_point_equality ... ok
[INFO] [stdout] test g2::test_batch_normalize ... ok
[INFO] [stdout] test g2::test_projective_to_affine ... ok
[INFO] [stdout] test g2::test_psi ... ok
[INFO] [stdout] test pairings::test_gt_generator ... ok
[INFO] [stdout] test g2::test_affine_scalar_multiplication ... ok
[INFO] [stdout] test g2::test_clear_cofactor ... ok
[INFO] [stdout] test pairings::test_miller_loop_result_default ... ok
[INFO] [stdout] test g2::test_projective_scalar_multiplication ... 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 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 g1::test_commutative_scalar_subgroup_multiplication ... ok
[INFO] [stdout] test g2::test_mul_by_x ... ok
[INFO] [stdout] test scalar::test_negation ... ok
[INFO] [stdout] test scalar::test_multiplication ... ok
[INFO] [stdout] test scalar::test_squaring ... ok
[INFO] [stdout] test scalar::test_subtraction ... ok
[INFO] [stdout] test scalar::test_to_bytes ... ok
[INFO] [stdout] test scalar::test_zero ... ok
[INFO] [stdout] test pairings::tricking_miller_loop_result ... ok
[INFO] [stdout] test scalar::test_invert_is_pow ... ok
[INFO] [stdout] test pairings::test_unitary ... ok
[INFO] [stdout] test scalar::test_sqrt ... ok
[INFO] [stdout] test pairings::test_bilinearity ... ok
[INFO] [stdout] test tests::test_pairing_result_against_relic ... ok
[INFO] [stdout] test pairings::test_multi_miller_loop ... ok
[INFO] [stdout] test g2::test_commutative_scalar_subgroup_multiplication ... 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] [stdout] test tests::g2_compressed_valid_test_vectors ... ok
[INFO] [stderr]    Doc-tests bls12_381
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 98 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.29s
[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" "17a77d8c8ead6a2537e0d3142eeafbd6cf5fb7b769b75a5a391cb59a8c09a95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a77d8c8ead6a2537e0d3142eeafbd6cf5fb7b769b75a5a391cb59a8c09a95d", kill_on_drop: false }`
[INFO] [stdout] 17a77d8c8ead6a2537e0d3142eeafbd6cf5fb7b769b75a5a391cb59a8c09a95d