[INFO] fetching crate nphysics_testbed2d 0.6.0...
[INFO] checking nphysics_testbed2d-0.6.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate nphysics_testbed2d 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nphysics_testbed2d 0.6.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nphysics_testbed2d 0.6.0
[INFO] finished tweaking crates.io crate nphysics_testbed2d 0.6.0
[INFO] tweaked toml for crates.io crate nphysics_testbed2d 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b05035d4d2e80bdd9b39c417b487867c1ead81f516b13700a1ef009305aeb4b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b05035d4d2e80bdd9b39c417b487867c1ead81f516b13700a1ef009305aeb4b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking generational-arena v0.2.3
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling conrod_derive v0.63.0
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking kiss3d_conrod v0.63.0
[INFO] [stderr]     Checking ncollide2d v0.20.1
[INFO] [stderr]     Checking ncollide3d v0.20.1
[INFO] [stderr]     Checking nphysics2d v0.12.3
[INFO] [stderr]     Checking kiss3d v0.21.0
[INFO] [stderr]     Checking nphysics_testbed2d v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src_testbed/testbed.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut backend_names = vec!["nphysics"];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src_testbed/testbed.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut backend_names = vec!["nphysics"];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `"docker" "inspect" "b05035d4d2e80bdd9b39c417b487867c1ead81f516b13700a1ef009305aeb4b2"`
[INFO] running `"docker" "rm" "-f" "b05035d4d2e80bdd9b39c417b487867c1ead81f516b13700a1ef009305aeb4b2"`
[INFO] [stdout] b05035d4d2e80bdd9b39c417b487867c1ead81f516b13700a1ef009305aeb4b2