[INFO] fetching crate pollock 0.3.2...
[INFO] testing pollock-0.3.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pollock 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pollock 0.3.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pollock 0.3.2
[INFO] finished tweaking crates.io crate pollock 0.3.2
[INFO] tweaked toml for crates.io crate pollock 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] e3a0e34d4bb44e75aa4750f8bf12ee570e5ccb324dec14a94d867bfcd91b03fb
[INFO] running `Command { std: "docker" "start" "-a" "e3a0e34d4bb44e75aa4750f8bf12ee570e5ccb324dec14a94d867bfcd91b03fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a0e34d4bb44e75aa4750f8bf12ee570e5ccb324dec14a94d867bfcd91b03fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a0e34d4bb44e75aa4750f8bf12ee570e5ccb324dec14a94d867bfcd91b03fb", kill_on_drop: false }`
[INFO] [stdout] e3a0e34d4bb44e75aa4750f8bf12ee570e5ccb324dec14a94d867bfcd91b03fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac756aee58bae4e3839f10f6f3fc76556cc5b2910b92d807738b3edcd30dad7
[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" "aac756aee58bae4e3839f10f6f3fc76556cc5b2910b92d807738b3edcd30dad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bytemuck v1.4.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling imgref v1.7.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling natord v1.0.9
[INFO] [stderr]    Compiling resize v0.3.1
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling imagequant-sys v2.13.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rgb v0.8.25
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[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling pbr v1.0.3
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gif-dispose v2.4.2
[INFO] [stderr]    Compiling lodepng v2.7.3
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[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
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[INFO] [stderr]    Compiling imagequant v2.13.0
[INFO] [stderr]    Compiling gifski v0.8.7
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.16.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.26.0
[INFO] [stderr]    Compiling pollock v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gifski` is imported redundantly
[INFO] [stdout]    --> src/state.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         use gifski;
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | extern crate gifski;
[INFO] [stdout]     | -------------------- the item `gifski` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fs` is imported redundantly
[INFO] [stdout]    --> src/state.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 16  | use std::{fs, io};
[INFO] [stdout]     |           -- the item `fs` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 508 |         use std::fs;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |     down: Option<Box<FnMut(&mut PollockState<State>) + 'a>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut PollockState<State>) + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |     up: Option<Box<FnMut(&mut PollockState<State>) + 'a>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut PollockState<State>) + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:134:37
[INFO] [stdout]     |
[INFO] [stdout] 134 |     frame_handlers: Vec<(usize, Box<FnMut(&mut PollockState<State>) + 'a>)>,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut PollockState<State>) + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `nalgebra::Point::<N, D>::from_coordinates`: Use Point::from(vector) instead.
[INFO] [stdout]    --> src/render.rs:101:55
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let pos = transformation.transform_point(&Point::from_coordinates(v));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `nalgebra::Point::<N, D>::from_coordinates`: Use Point::from(vector) instead.
[INFO] [stdout]    --> src/render.rs:145:49
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 transformation.transform_point(&Point::from_coordinates(v.pos + norm)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `nalgebra::Point::<N, D>::from_coordinates`: Use Point::from(vector) instead.
[INFO] [stdout]    --> src/render.rs:146:49
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 transformation.transform_point(&Point::from_coordinates(v.pos - norm)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alga::linear::Transformation`
[INFO] [stdout]  --> src/render.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alga::linear::Transformation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pollock`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "aac756aee58bae4e3839f10f6f3fc76556cc5b2910b92d807738b3edcd30dad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac756aee58bae4e3839f10f6f3fc76556cc5b2910b92d807738b3edcd30dad7", kill_on_drop: false }`
[INFO] [stdout] aac756aee58bae4e3839f10f6f3fc76556cc5b2910b92d807738b3edcd30dad7