[INFO] fetching crate accumulator-plus 1.0.3...
[INFO] checking accumulator-plus-1.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate accumulator-plus 1.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate accumulator-plus 1.0.3
[INFO] finished tweaking crates.io crate accumulator-plus 1.0.3
[INFO] tweaked toml for crates.io crate accumulator-plus 1.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate accumulator-plus 1.0.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding num-bigint-dig v0.8.6 (available: v0.9.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b700c8252e8957f739627f1528d932818843c40ef562ec97efa60386c8288e1
[INFO] running `Command { std: "docker" "start" "-a" "0b700c8252e8957f739627f1528d932818843c40ef562ec97efa60386c8288e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b700c8252e8957f739627f1528d932818843c40ef562ec97efa60386c8288e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b700c8252e8957f739627f1528d932818843c40ef562ec97efa60386c8288e1", kill_on_drop: false }`
[INFO] [stdout] 0b700c8252e8957f739627f1528d932818843c40ef562ec97efa60386c8288e1
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b516e4a59ae40f57d7dc87550eebbfb873d7a4c2c66109f9379c569f27079b0
[INFO] running `Command { std: "docker" "start" "-a" "7b516e4a59ae40f57d7dc87550eebbfb873d7a4c2c66109f9379c569f27079b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking accumulator-plus v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]   --> src/proofs.rs:28:67
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn verify_poe_big_uint(u: &BigUint, x: &BigUint, w: &BigUint, Q: &BigUint) -> bool {
[INFO] [stdout]    |                                                                   ^ help: convert the identifier to snake case: `q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/witnesses.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let B = subroutines::mod_exp_big_uint(&old_state, &BigUint::from(pair.coefficient_b), &BigUint::from_str(super::MODULUS).unwrap());
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/witnesses.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let (a, sign_a, B) = witness;
[INFO] [stdout]    |                     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]   --> src/proofs.rs:28:67
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn verify_poe_big_uint(u: &BigUint, x: &BigUint, w: &BigUint, Q: &BigUint) -> bool {
[INFO] [stdout]    |                                                                   ^ help: convert the identifier to snake case: `q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/witnesses.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let B = subroutines::mod_exp_big_uint(&old_state, &BigUint::from(pair.coefficient_b), &BigUint::from_str(super::MODULUS).unwrap());
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/witnesses.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let (a, sign_a, B) = witness;
[INFO] [stdout]    |                     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]    --> src/witnesses.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let (a, sign_a, B) = non_mem_wit_create(BigUint::from(2u8), BigUint::from(105u8), BigUint::from(11u8));
[INFO] [stdout]     |                         ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `config_parse` is never used
[INFO] [stdout]   --> benches/accumulator_benches.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn config_parse(config: &mut Config) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> benches/accumulator_benches.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Some(gk) => config.batch_mod = gk.parse().unwrap()
[INFO] [stdout]    |                                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accumulator-plus` (bench "accumulator_benches") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7b516e4a59ae40f57d7dc87550eebbfb873d7a4c2c66109f9379c569f27079b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b516e4a59ae40f57d7dc87550eebbfb873d7a4c2c66109f9379c569f27079b0", kill_on_drop: false }`
[INFO] [stdout] 7b516e4a59ae40f57d7dc87550eebbfb873d7a4c2c66109f9379c569f27079b0