[INFO] fetching crate lace_stats 0.4.0...
[INFO] checking lace_stats-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate lace_stats 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lace_stats 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lace_utils v0.3.0
[INFO] [stderr]   Downloaded peroxide-ad v0.3.0
[INFO] [stderr]   Downloaded puruspe v0.2.0
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded lace_data v0.3.0
[INFO] [stderr]   Downloaded rv v0.16.3
[INFO] [stderr]   Downloaded special v0.10.3
[INFO] [stderr]   Downloaded lace_consts v0.2.1
[INFO] [stderr]   Downloaded peroxide v0.32.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd3ccc07b72bfe8425854f4135f75a32754ed4d0ad3474cfc9eb9c2d2b7cd4fa
[INFO] running `Command { std: "docker" "start" "-a" "cd3ccc07b72bfe8425854f4135f75a32754ed4d0ad3474cfc9eb9c2d2b7cd4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3ccc07b72bfe8425854f4135f75a32754ed4d0ad3474cfc9eb9c2d2b7cd4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3ccc07b72bfe8425854f4135f75a32754ed4d0ad3474cfc9eb9c2d2b7cd4fa", kill_on_drop: false }`
[INFO] [stdout] cd3ccc07b72bfe8425854f4135f75a32754ed4d0ad3474cfc9eb9c2d2b7cd4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383840e98070e69fdfce21dfacd3845a5a8c3e5b849bc6f3d6099496ff06b728
[INFO] running `Command { std: "docker" "start" "-a" "383840e98070e69fdfce21dfacd3845a5a8c3e5b849bc6f3d6099496ff06b728", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling peroxide v0.32.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking puruspe v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking ciborium-io v0.2.1
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[INFO] [stderr]     Checking itoa v1.0.10
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[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking lru v0.9.0
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking lace_utils v0.3.0
[INFO] [stderr]     Checking lace_data v0.3.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking rv v0.16.3
[INFO] [stderr]     Checking lace_consts v0.2.1
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.03s
[INFO] running `Command { std: "docker" "inspect" "383840e98070e69fdfce21dfacd3845a5a8c3e5b849bc6f3d6099496ff06b728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383840e98070e69fdfce21dfacd3845a5a8c3e5b849bc6f3d6099496ff06b728", kill_on_drop: false }`
[INFO] [stdout] 383840e98070e69fdfce21dfacd3845a5a8c3e5b849bc6f3d6099496ff06b728