[INFO] updating cached repository https://github.com/joaodelgado/maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f04ef49b2e7fc2649303ae3a69c0973dc785a15
[INFO] testing joaodelgado/maze against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Fmaze" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaodelgado/maze on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaodelgado/maze
[INFO] finished tweaking git repo https://github.com/joaodelgado/maze
[INFO] tweaked toml for git repo https://github.com/joaodelgado/maze written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/joaodelgado/maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3effb7aef435a79832299938c6819c60f778bfc819411bf0be423ddf5c37d97d
[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" "3effb7aef435a79832299938c6819c60f778bfc819411bf0be423ddf5c37d97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3effb7aef435a79832299938c6819c60f778bfc819411bf0be423ddf5c37d97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3effb7aef435a79832299938c6819c60f778bfc819411bf0be423ddf5c37d97d", kill_on_drop: false }`
[INFO] [stdout] 3effb7aef435a79832299938c6819c60f778bfc819411bf0be423ddf5c37d97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f972206a30f3502e4cb6bfee071cf590b5a7bef77ff7c9e73da344de45d441
[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" "09f972206a30f3502e4cb6bfee071cf590b5a7bef77ff7c9e73da344de45d441", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling downcast-rs v1.1.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.2.7
[INFO] [stderr]    Compiling gilrs-core v0.2.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling gilrs v0.7.2
[INFO] [stderr]    Compiling structopt v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.8
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling glyph_brush v0.6.0
[INFO] [stderr]    Compiling euclid v0.19.9
[INFO] [stderr]    Compiling glyph_brush v0.5.4
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling lyon_geom v0.12.7
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling lyon_path v0.13.2
[INFO] [stderr]    Compiling lyon_algorithms v0.13.4
[INFO] [stderr]    Compiling lyon_tessellation v0.13.5
[INFO] [stderr]    Compiling lyon v0.13.5
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]    Compiling winit v0.19.3
[INFO] [stderr]    Compiling glutin v0.20.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.30.0
[INFO] [stderr]    Compiling rodio v0.9.0
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maze`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "09f972206a30f3502e4cb6bfee071cf590b5a7bef77ff7c9e73da344de45d441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f972206a30f3502e4cb6bfee071cf590b5a7bef77ff7c9e73da344de45d441", kill_on_drop: false }`
[INFO] [stdout] 09f972206a30f3502e4cb6bfee071cf590b5a7bef77ff7c9e73da344de45d441