[INFO] fetching crate lace_stats 0.4.0...
[INFO] building lace_stats-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate lace_stats 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lace_stats 0.4.0
[INFO] finished tweaking crates.io crate lace_stats 0.4.0
[INFO] tweaked toml for crates.io crate lace_stats 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lace_stats 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lace_stats 0.4.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lace_consts v0.2.1
[INFO] [stderr]   Downloaded special v0.10.3
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded lace_data v0.3.0
[INFO] [stderr]   Downloaded lru v0.9.0
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded rv v0.16.3
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.1
[INFO] [stderr]   Downloaded clap_builder v4.4.18
[INFO] [stderr]   Downloaded clap v4.4.18
[INFO] [stderr]   Downloaded safe_arch v0.7.1
[INFO] [stderr]   Downloaded wide v0.7.13
[INFO] [stderr]   Downloaded peroxide v0.32.1
[INFO] [stderr]   Downloaded lace_utils v0.3.0
[INFO] [stderr]   Downloaded puruspe v0.2.0
[INFO] [stderr]   Downloaded nalgebra v0.32.3
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2604c1c7ee105ef30f140e3699568acc526df72e7cfc85f3fe98c3045b2cec6d
[INFO] running `Command { std: "docker" "start" "-a" "2604c1c7ee105ef30f140e3699568acc526df72e7cfc85f3fe98c3045b2cec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2604c1c7ee105ef30f140e3699568acc526df72e7cfc85f3fe98c3045b2cec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2604c1c7ee105ef30f140e3699568acc526df72e7cfc85f3fe98c3045b2cec6d", kill_on_drop: false }`
[INFO] [stdout] 2604c1c7ee105ef30f140e3699568acc526df72e7cfc85f3fe98c3045b2cec6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be4253913d64ba9548440943d4db304d245e5349aeb881447ef743b590e02b3
[INFO] running `Command { std: "docker" "start" "-a" "6be4253913d64ba9548440943d4db304d245e5349aeb881447ef743b590e02b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling peroxide v0.32.1
[INFO] [stderr]    Compiling puruspe v0.2.0
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling special v0.10.3
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling lru v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling lace_utils v0.3.0
[INFO] [stderr]    Compiling lace_data v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling rv v0.16.3
[INFO] [stderr]    Compiling lace_consts v0.2.1
[INFO] [stderr]    Compiling lace_stats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FlatImproper` is never constructed
[INFO] [stdout]  --> src/dist.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct FlatImproper;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.09s
[INFO] running `Command { std: "docker" "inspect" "6be4253913d64ba9548440943d4db304d245e5349aeb881447ef743b590e02b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be4253913d64ba9548440943d4db304d245e5349aeb881447ef743b590e02b3", kill_on_drop: false }`
[INFO] [stdout] 6be4253913d64ba9548440943d4db304d245e5349aeb881447ef743b590e02b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1eb14321e5abae356dc522a35c8d7889b6ddc95d5be41a4b18fb3f43dfebfca
[INFO] running `Command { std: "docker" "start" "-a" "a1eb14321e5abae356dc522a35c8d7889b6ddc95d5be41a4b18fb3f43dfebfca", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.4.18
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling clap v4.4.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling lace_utils v0.3.0
[INFO] [stderr]    Compiling lace_data v0.3.0
[INFO] [stderr]    Compiling peroxide v0.32.1
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling rv v0.16.3
[INFO] [stderr]    Compiling lace_consts v0.2.1
[INFO] [stderr]    Compiling lace_stats v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FlatImproper` is never constructed
[INFO] [stdout]  --> src/dist.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct FlatImproper;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatImproper` is never constructed
[INFO] [stdout]  --> src/dist.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct FlatImproper;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 50.76s
[INFO] running `Command { std: "docker" "inspect" "a1eb14321e5abae356dc522a35c8d7889b6ddc95d5be41a4b18fb3f43dfebfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1eb14321e5abae356dc522a35c8d7889b6ddc95d5be41a4b18fb3f43dfebfca", kill_on_drop: false }`
[INFO] [stdout] a1eb14321e5abae356dc522a35c8d7889b6ddc95d5be41a4b18fb3f43dfebfca