[INFO] cloning repository https://github.com/zacharied/qs-learn-box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacharied/qs-learn-box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94d45c223b307eb5a0b4d7f9dd0790eaac2eceed
[INFO] testing zacharied/qs-learn-box against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacharied/qs-learn-box on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zacharied/qs-learn-box
[INFO] finished tweaking git repo https://github.com/zacharied/qs-learn-box
[INFO] tweaked toml for git repo https://github.com/zacharied/qs-learn-box written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zacharied/qs-learn-box already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5df96bc716cb939de28ebc804506d6358f0e6d669b83ba4d13bf87cd5b508059
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5df96bc716cb939de28ebc804506d6358f0e6d669b83ba4d13bf87cd5b508059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5df96bc716cb939de28ebc804506d6358f0e6d669b83ba4d13bf87cd5b508059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df96bc716cb939de28ebc804506d6358f0e6d669b83ba4d13bf87cd5b508059", kill_on_drop: false }`
[INFO] [stdout] 5df96bc716cb939de28ebc804506d6358f0e6d669b83ba4d13bf87cd5b508059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb5978112c689947c8599c59ea80084ce0af6076dc81bd7b4f549060196023b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afb5978112c689947c8599c59ea80084ce0af6076dc81bd7b4f549060196023b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=1b9bfa5cbaca1d87 -C extra-filename=-1b9bfa5cbaca1d87 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-257fd09b908c4179.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-074917369cef59f5.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f2e523734510a872.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-908b01a274af8ae5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "afb5978112c689947c8599c59ea80084ce0af6076dc81bd7b4f549060196023b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb5978112c689947c8599c59ea80084ce0af6076dc81bd7b4f549060196023b", kill_on_drop: false }`
[INFO] [stdout] afb5978112c689947c8599c59ea80084ce0af6076dc81bd7b4f549060196023b