[INFO] fetching crate nyar_prime 0.1.0...
[INFO] building nyar_prime-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate nyar_prime 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nyar_prime 0.1.0
[INFO] finished tweaking crates.io crate nyar_prime 0.1.0
[INFO] tweaked toml for crates.io crate nyar_prime 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyar_prime 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding primal v0.2.3 (available: v0.3.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb978cf928b1fb4f2a8010ad3edd0cb0d2578588841d9829a01084454af53bb
[INFO] running `Command { std: "docker" "start" "-a" "ffb978cf928b1fb4f2a8010ad3edd0cb0d2578588841d9829a01084454af53bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb978cf928b1fb4f2a8010ad3edd0cb0d2578588841d9829a01084454af53bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb978cf928b1fb4f2a8010ad3edd0cb0d2578588841d9829a01084454af53bb", kill_on_drop: false }`
[INFO] [stdout] ffb978cf928b1fb4f2a8010ad3edd0cb0d2578588841d9829a01084454af53bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8450454be17499f3ceb35f032641a97d8c97ca3d69f7253b09bf1d0f2f40f610
[INFO] running `Command { std: "docker" "start" "-a" "8450454be17499f3ceb35f032641a97d8c97ca3d69f7253b09bf1d0f2f40f610", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nyar_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial_pi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PrimorialPi {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/fermat_prime.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FermatPrime {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Primorial {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MersennePrime {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 6 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "8450454be17499f3ceb35f032641a97d8c97ca3d69f7253b09bf1d0f2f40f610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8450454be17499f3ceb35f032641a97d8c97ca3d69f7253b09bf1d0f2f40f610", kill_on_drop: false }`
[INFO] [stdout] 8450454be17499f3ceb35f032641a97d8c97ca3d69f7253b09bf1d0f2f40f610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e196792ba0a859164cdd78976f15dba417888cce18539437ab1f12ff8d5ad6
[INFO] running `Command { std: "docker" "start" "-a" "44e196792ba0a859164cdd78976f15dba417888cce18539437ab1f12ff8d5ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial_pi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PrimorialPi {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/fermat_prime.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FermatPrime {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Primorial {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MersennePrime {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 6 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling nyar_prime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/fermat_prime.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FermatPrime {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordinal` is never read
[INFO] [stdout]  --> src/special/mersenne_prime.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MersennePrime {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 6 |     ordinal: BigInt,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial_pi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PrimorialPi {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/special/primorial.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Primorial {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 4 |     index: BigInt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "44e196792ba0a859164cdd78976f15dba417888cce18539437ab1f12ff8d5ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e196792ba0a859164cdd78976f15dba417888cce18539437ab1f12ff8d5ad6", kill_on_drop: false }`
[INFO] [stdout] 44e196792ba0a859164cdd78976f15dba417888cce18539437ab1f12ff8d5ad6