[INFO] cloning repository https://github.com/freidrichen/blobs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freidrichen/blobs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreidrichen%2Fblobs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreidrichen%2Fblobs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f35f35e266e7d3b457ca4ba8353cc98849d8681
[INFO] checking freidrichen/blobs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreidrichen%2Fblobs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/freidrichen/blobs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/freidrichen/blobs
[INFO] finished tweaking git repo https://github.com/freidrichen/blobs
[INFO] tweaked toml for git repo https://github.com/freidrichen/blobs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/freidrichen/blobs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 776afec0d0f70ee751a9eac84e5c14a234f99538be1eab8efca14114f85e7fe5
[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" "776afec0d0f70ee751a9eac84e5c14a234f99538be1eab8efca14114f85e7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "776afec0d0f70ee751a9eac84e5c14a234f99538be1eab8efca14114f85e7fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776afec0d0f70ee751a9eac84e5c14a234f99538be1eab8efca14114f85e7fe5", kill_on_drop: false }`
[INFO] [stdout] 776afec0d0f70ee751a9eac84e5c14a234f99538be1eab8efca14114f85e7fe5
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6882596e018ea2b82bc4b38a25a276c60ad01712cf13afeb661f07d7790eacfc
[INFO] running `Command { std: "docker" "start" "-a" "6882596e018ea2b82bc4b38a25a276c60ad01712cf13afeb661f07d7790eacfc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[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 num_cpus v1.12.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking nalgebra v0.18.1
[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-0.15.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=f0eafeabdb277359 -C extra-filename=-f0eafeabdb277359 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-112c1c21947cb21c.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-99a8e150265eb097.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-dda853c96e606461.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-20e4497198d21dbe.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" "6882596e018ea2b82bc4b38a25a276c60ad01712cf13afeb661f07d7790eacfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6882596e018ea2b82bc4b38a25a276c60ad01712cf13afeb661f07d7790eacfc", kill_on_drop: false }`
[INFO] [stdout] 6882596e018ea2b82bc4b38a25a276c60ad01712cf13afeb661f07d7790eacfc