[INFO] crate math_traits 0.2.1 is already in cache
[INFO] checking math_traits-0.2.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate math_traits 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate math_traits 0.2.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate math_traits 0.2.1
[INFO] finished tweaking crates.io crate math_traits 0.2.1
[INFO] tweaked toml for crates.io crate math_traits 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d082c0302c3c7e5920cb42400a3ca0a7423310857f108dac450a7999da264b2
[INFO] running `"docker" "start" "-a" "0d082c0302c3c7e5920cb42400a3ca0a7423310857f108dac450a7999da264b2"`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking tuple v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking math_traits v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `fmaf32`, `fmaf64`
[INFO] [stderr]  --> src/real.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::intrinsics::{fmaf32, fmaf64};
[INFO] [stderr]   |                       ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fmaf32`, `fmaf64`
[INFO] [stderr]  --> src/real.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::intrinsics::{fmaf32, fmaf64};
[INFO] [stderr]   |                       ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "0d082c0302c3c7e5920cb42400a3ca0a7423310857f108dac450a7999da264b2"`
[INFO] running `"docker" "rm" "-f" "0d082c0302c3c7e5920cb42400a3ca0a7423310857f108dac450a7999da264b2"`
[INFO] [stdout] 0d082c0302c3c7e5920cb42400a3ca0a7423310857f108dac450a7999da264b2