[INFO] crate caper 0.11.2 is already in cache
[INFO] checking caper-0.11.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate caper 0.11.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate caper 0.11.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate caper 0.11.2
[INFO] finished tweaking crates.io crate caper 0.11.2
[INFO] tweaked toml for crates.io crate caper 0.11.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 94f205a8b6226de722df691e4b1af281e69268b0732e42147d084893d0ddbc29
[INFO] running `"docker" "start" "-a" "94f205a8b6226de722df691e4b1af281e69268b0732e42147d084893d0ddbc29"`
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking claxon v0.3.3
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking fps_counter v1.0.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling imgui-sys v0.0.21
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking backtrace-sys v0.1.35
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking impose v0.3.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking obj v0.9.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]     Checking volition v0.0.17
[INFO] [stderr] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:81:29
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     b[i] -= b[j] * val;
[INFO] [stderr]    |                     --------^---------
[INFO] [stderr]    |                     |       |
[INFO] [stderr]    |                     |       immutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:122:39
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         b[j] -= val * b[i];
[INFO] [stderr]     |                         --------------^---
[INFO] [stderr]     |                         |             |
[INFO] [stderr]     |                         |             immutable borrow occurs here
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |                         mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `workspace` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:181:33
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 workspace[i] -= workspace[j] * val;
[INFO] [stderr]     |                 ----------------^^^^^^^^^---------
[INFO] [stderr]     |                 |               |
[INFO] [stderr]     |                 |               immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "94f205a8b6226de722df691e4b1af281e69268b0732e42147d084893d0ddbc29"`
[INFO] running `"docker" "rm" "-f" "94f205a8b6226de722df691e4b1af281e69268b0732e42147d084893d0ddbc29"`
[INFO] [stdout] 94f205a8b6226de722df691e4b1af281e69268b0732e42147d084893d0ddbc29
