[INFO] fetching crate bellpepper 0.4.1...
[INFO] checking bellpepper-0.4.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate bellpepper 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bellpepper 0.4.1
[INFO] finished tweaking crates.io crate bellpepper 0.4.1
[INFO] tweaked toml for crates.io crate bellpepper 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bellpepper 0.4.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.0.0)
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 059da313fe5c40ad48af9a0972b72d51f7cb83ec5db60867369300fa95fef027
[INFO] running `Command { std: "docker" "start" "-a" "059da313fe5c40ad48af9a0972b72d51f7cb83ec5db60867369300fa95fef027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059da313fe5c40ad48af9a0972b72d51f7cb83ec5db60867369300fa95fef027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059da313fe5c40ad48af9a0972b72d51f7cb83ec5db60867369300fa95fef027", kill_on_drop: false }`
[INFO] [stdout] 059da313fe5c40ad48af9a0972b72d51f7cb83ec5db60867369300fa95fef027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f60e3fbed71d00104988349dd9e60867a0e2cd2b319399500e4d7f7b05aafde
[INFO] running `Command { std: "docker" "start" "-a" "7f60e3fbed71d00104988349dd9e60867a0e2cd2b319399500e4d7f7b05aafde", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling blst v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking blake2s_simd v1.0.3
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking bellpepper-core v0.4.0
[INFO] [stderr]     Checking blstrs v0.7.1
[INFO] [stderr]     Checking bellpepper v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     Constraint(usize),
[INFO] [stdout] 15 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Var(Variable),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Var(Variable),
[INFO] [stdout] 16 +     Var(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Constraint(usize),
[INFO] [stdout]    |     ---------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     Constraint(usize),
[INFO] [stdout] 15 +     Constraint(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util_cs/metric_cs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Var(Variable),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NamedObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Var(Variable),
[INFO] [stdout] 16 +     Var(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.79s
[INFO] running `Command { std: "docker" "inspect" "7f60e3fbed71d00104988349dd9e60867a0e2cd2b319399500e4d7f7b05aafde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f60e3fbed71d00104988349dd9e60867a0e2cd2b319399500e4d7f7b05aafde", kill_on_drop: false }`
[INFO] [stdout] 7f60e3fbed71d00104988349dd9e60867a0e2cd2b319399500e4d7f7b05aafde