[INFO] fetching crate gkquad 0.0.4...
[INFO] checking gkquad-0.0.4 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate gkquad 0.0.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate gkquad 0.0.4 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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-3-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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21791ce811ef4c81eb0ed19684252ba3c2c23a869f0523b988f897aa92b2efd9
[INFO] running `Command { std: "docker" "start" "-a" "21791ce811ef4c81eb0ed19684252ba3c2c23a869f0523b988f897aa92b2efd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21791ce811ef4c81eb0ed19684252ba3c2c23a869f0523b988f897aa92b2efd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21791ce811ef4c81eb0ed19684252ba3c2c23a869f0523b988f897aa92b2efd9", kill_on_drop: false }`
[INFO] [stdout] 21791ce811ef4c81eb0ed19684252ba3c2c23a869f0523b988f897aa92b2efd9
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b25730a74ba869cd356c8e3e6889ba7402b4e4edd8c00833ec1ae2eec2f412
[INFO] running `Command { std: "docker" "start" "-a" "a8b25730a74ba869cd356c8e3e6889ba7402b4e4edd8c00833ec1ae2eec2f412", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "a8b25730a74ba869cd356c8e3e6889ba7402b4e4edd8c00833ec1ae2eec2f412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b25730a74ba869cd356c8e3e6889ba7402b4e4edd8c00833ec1ae2eec2f412", kill_on_drop: false }`
[INFO] [stdout] a8b25730a74ba869cd356c8e3e6889ba7402b4e4edd8c00833ec1ae2eec2f412