[INFO] fetching crate set_genome 0.6.7...
[INFO] checking set_genome-0.6.7 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate set_genome 0.6.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate set_genome 0.6.7 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate set_genome 0.6.7
[INFO] finished tweaking crates.io crate set_genome 0.6.7
[INFO] tweaked toml for crates.io crate set_genome 0.6.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.5.1
[INFO] [stderr]   Downloaded favannat v0.6.4
[INFO] [stderr]   Downloaded nalgebra-sparse v0.9.0
[INFO] [stderr]   Downloaded nalgebra v0.28.0
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320e8d48e79c1f0106c60d7a4524417ec09e92e0d5de025d78d8416f8ccc8f37
[INFO] running `Command { std: "docker" "start" "-a" "320e8d48e79c1f0106c60d7a4524417ec09e92e0d5de025d78d8416f8ccc8f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320e8d48e79c1f0106c60d7a4524417ec09e92e0d5de025d78d8416f8ccc8f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320e8d48e79c1f0106c60d7a4524417ec09e92e0d5de025d78d8416f8ccc8f37", kill_on_drop: false }`
[INFO] [stdout] 320e8d48e79c1f0106c60d7a4524417ec09e92e0d5de025d78d8416f8ccc8f37
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b17da40df0ecf0b951f5498153a25fb070ccf02090eb930c012d069080aa04f
[INFO] running `Command { std: "docker" "start" "-a" "1b17da40df0ecf0b951f5498153a25fb070ccf02090eb930c012d069080aa04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking aho-corasick v1.1.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking nalgebra v0.28.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking nalgebra-sparse v0.9.0
[INFO] [stderr]     Checking favannat v0.6.4
[INFO] [stderr]     Checking set_genome v0.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/favannat_impl.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             genome.mutate(&parameters);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let _ = genome.mutate(&parameters);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/genome.rs:675:13
[INFO] [stdout]     |
[INFO] [stdout] 675 |             genome.mutate(&parameters);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 675 |             let _ = genome.mutate(&parameters);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1b17da40df0ecf0b951f5498153a25fb070ccf02090eb930c012d069080aa04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b17da40df0ecf0b951f5498153a25fb070ccf02090eb930c012d069080aa04f", kill_on_drop: false }`
[INFO] [stdout] 1b17da40df0ecf0b951f5498153a25fb070ccf02090eb930c012d069080aa04f