[INFO] fetching crate gkquad 0.0.4...
[INFO] checking gkquad-0.0.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate gkquad 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gkquad 0.0.4 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gkquad 0.0.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gkquad 0.0.4
[INFO] tweaked toml for crates.io crate gkquad 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate gkquad 0.0.4 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cefc983098e1474967d1a99569def97e305ce6b2085c2756718b63f9d8550b5d
[INFO] running `Command { std: "docker" "start" "-a" "cefc983098e1474967d1a99569def97e305ce6b2085c2756718b63f9d8550b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cefc983098e1474967d1a99569def97e305ce6b2085c2756718b63f9d8550b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefc983098e1474967d1a99569def97e305ce6b2085c2756718b63f9d8550b5d", kill_on_drop: false }`
[INFO] [stdout] cefc983098e1474967d1a99569def97e305ce6b2085c2756718b63f9d8550b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed32940449f61769ddd3f2bda68e6c28f897582f95b6ad25f38c0b3551c7bdc8
[INFO] running `Command { std: "docker" "start" "-a" "ed32940449f61769ddd3f2bda68e6c28f897582f95b6ad25f38c0b3551c7bdc8", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking gkquad v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_mut_slice` is never used
[INFO] [stdout]   --> src/single/util.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Array {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn as_mut_slice(&mut self) -> &mut [Self::Item];
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_mut_slice` is never used
[INFO] [stdout]   --> src/single/util.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Array {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn as_mut_slice(&mut self) -> &mut [Self::Item];
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integral`
[INFO] [stdout]   --> benches/single.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use gkquad::single::{integral, Integrator};
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "ed32940449f61769ddd3f2bda68e6c28f897582f95b6ad25f38c0b3551c7bdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed32940449f61769ddd3f2bda68e6c28f897582f95b6ad25f38c0b3551c7bdc8", kill_on_drop: false }`
[INFO] [stdout] ed32940449f61769ddd3f2bda68e6c28f897582f95b6ad25f38c0b3551c7bdc8