[INFO] fetching crate lodestone_core 0.2.3...
[INFO] checking lodestone_core-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate lodestone_core 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate lodestone_core 0.2.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate lodestone_core 0.2.3
[INFO] finished tweaking crates.io crate lodestone_core 0.2.3
[INFO] tweaked toml for crates.io crate lodestone_core 0.2.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding indicatif v0.16.2 (latest: v0.17.8)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa9b7f315e229708cb5d0fc1d2be4cc715a1540c33892c0150cb026433c6f53d
[INFO] running `Command { std: "docker" "start" "-a" "aa9b7f315e229708cb5d0fc1d2be4cc715a1540c33892c0150cb026433c6f53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa9b7f315e229708cb5d0fc1d2be4cc715a1540c33892c0150cb026433c6f53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9b7f315e229708cb5d0fc1d2be4cc715a1540c33892c0150cb026433c6f53d", kill_on_drop: false }`
[INFO] [stdout] aa9b7f315e229708cb5d0fc1d2be4cc715a1540c33892c0150cb026433c6f53d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9cac96715e0440c3fb69a4eec75fef2838c25f30c373f4766c6d8fe0d17357b
[INFO] running `Command { std: "docker" "start" "-a" "c9cac96715e0440c3fb69a4eec75fef2838c25f30c373f4766c6d8fe0d17357b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking lodestone_core v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Rectangle` is imported redundantly
[INFO] [stdout]    --> src/magnets/magnet2d/rectangle_field.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     use crate::magnets::magnet2d::rectangle_field::*;
[INFO] [stdout]     |         -------------------------------------------- the item `Rectangle` is already imported here
[INFO] [stdout] 168 |     use crate::magnets::magnet2d::Rectangle;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Point2` is imported redundantly
[INFO] [stdout]    --> src/magnets/magnet2d/rectangle_field.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     use crate::magnets::magnet2d::rectangle_field::*;
[INFO] [stdout]     |         -------------------------------------------- the item `Point2` is already imported here
[INFO] [stdout] 168 |     use crate::magnets::magnet2d::Rectangle;
[INFO] [stdout] 169 |     use crate::points::Point2;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoParallelRefIterator` is imported redundantly
[INFO] [stdout]   --> src/points/point_vec2.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rayon::prelude::*;
[INFO] [stdout]    |     ----------------- the item `IntoParallelRefIterator` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParallelIterator` is imported redundantly
[INFO] [stdout]   --> src/points/point_vec2.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rayon::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ParallelIterator` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoParallelRefIterator` is imported redundantly
[INFO] [stdout]   --> src/points/point_vec2.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rayon::prelude::*;
[INFO] [stdout]    |     ----------------- the item `IntoParallelRefIterator` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParallelIterator` is imported redundantly
[INFO] [stdout]   --> src/points/point_vec2.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rayon::prelude::*;
[INFO] [stdout]    |     ----------------- the item `ParallelIterator` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "c9cac96715e0440c3fb69a4eec75fef2838c25f30c373f4766c6d8fe0d17357b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cac96715e0440c3fb69a4eec75fef2838c25f30c373f4766c6d8fe0d17357b", kill_on_drop: false }`
[INFO] [stdout] c9cac96715e0440c3fb69a4eec75fef2838c25f30c373f4766c6d8fe0d17357b