[INFO] cloning repository https://github.com/ajmwagar/snek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmwagar/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea9d6d0bb08e5678373a1a84fc546a98afbd2a3f
[INFO] testing ajmwagar/snek against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmwagar/snek on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajmwagar/snek
[INFO] finished tweaking git repo https://github.com/ajmwagar/snek
[INFO] tweaked toml for git repo https://github.com/ajmwagar/snek written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajmwagar/snek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin v0.20.0
[INFO] [stderr]   Downloaded lyon_extra v0.13.0
[INFO] [stderr]   Downloaded gilrs v0.7.1
[INFO] [stderr]   Downloaded lyon_algorithms v0.13.1
[INFO] [stderr]   Downloaded lyon_svg v0.13.0
[INFO] [stderr]   Downloaded lyon v0.13.1
[INFO] [stderr]   Downloaded gilrs-core v0.2.2
[INFO] [stderr]   Downloaded lyon_path v0.13.1
[INFO] [stderr]   Downloaded lyon_tessellation v0.13.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.2
[INFO] [stderr]   Downloaded ncollide2d v0.18.4
[INFO] [stderr]   Downloaded quicksilver v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7345ed542bbe6fc1b8e772645086fd3979fdfa72841bcfff96fad9fa1fedbc5
[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" "c7345ed542bbe6fc1b8e772645086fd3979fdfa72841bcfff96fad9fa1fedbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7345ed542bbe6fc1b8e772645086fd3979fdfa72841bcfff96fad9fa1fedbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7345ed542bbe6fc1b8e772645086fd3979fdfa72841bcfff96fad9fa1fedbc5", kill_on_drop: false }`
[INFO] [stdout] c7345ed542bbe6fc1b8e772645086fd3979fdfa72841bcfff96fad9fa1fedbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a314c4c636319e3b29e9b4a18ccb00d47e266a72dfacd3a6e20576b64f033b6
[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" "8a314c4c636319e3b29e9b4a18ccb00d47e266a72dfacd3a6e20576b64f033b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling claxon v0.3.2
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling immi v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[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 slice-deque v0.1.16
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling quote v0.6.12
[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 gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gilrs-core v0.2.2
[INFO] [stderr]    Compiling cpal v0.8.2
[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 approx v0.3.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gilrs v0.7.1
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling minimp3 v0.3.2
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling euclid v0.19.8
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling xmlparser v0.3.0
[INFO] [stderr]    Compiling svgparser v0.8.1
[INFO] [stderr]    Compiling lyon_geom v0.12.4
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling lyon_path v0.13.1
[INFO] [stderr]    Compiling lyon_svg v0.13.0
[INFO] [stderr]    Compiling lyon_algorithms v0.13.1
[INFO] [stderr]    Compiling lyon_tessellation v0.13.1
[INFO] [stderr]    Compiling lyon_extra v0.13.0
[INFO] [stderr]    Compiling lyon v0.13.1
[INFO] [stderr]    Compiling ncollide2d v0.18.4
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling glutin v0.20.0
[INFO] [stderr]    Compiling quicksilver v0.3.11
[INFO] [stderr]    Compiling snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snek` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a314c4c636319e3b29e9b4a18ccb00d47e266a72dfacd3a6e20576b64f033b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a314c4c636319e3b29e9b4a18ccb00d47e266a72dfacd3a6e20576b64f033b6", kill_on_drop: false }`
[INFO] [stdout] 8a314c4c636319e3b29e9b4a18ccb00d47e266a72dfacd3a6e20576b64f033b6