[INFO] fetching crate piston3d-gfx_voxel 0.27.0...
[INFO] checking piston3d-gfx_voxel-0.27.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate piston3d-gfx_voxel 0.27.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate piston3d-gfx_voxel 0.27.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston3d-gfx_voxel 0.27.0
[INFO] finished tweaking crates.io crate piston3d-gfx_voxel 0.27.0
[INFO] tweaked toml for crates.io crate piston3d-gfx_voxel 0.27.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-gfx_texture v0.35.0
[INFO] [stderr]   Downloaded array v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8ac5aaa5a4eb3a5b5b3d6bc986ca669e47e1a34ef809e85653feb209dd66bbf
[INFO] running `Command { std: "docker" "start" "-a" "b8ac5aaa5a4eb3a5b5b3d6bc986ca669e47e1a34ef809e85653feb209dd66bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ac5aaa5a4eb3a5b5b3d6bc986ca669e47e1a34ef809e85653feb209dd66bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ac5aaa5a4eb3a5b5b3d6bc986ca669e47e1a34ef809e85653feb209dd66bbf", kill_on_drop: false }`
[INFO] [stdout] b8ac5aaa5a4eb3a5b5b3d6bc986ca669e47e1a34ef809e85653feb209dd66bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64148726b6a3ba540c8d7b869e71915bca21babb9cfbe48ab93ac3031f246dda
[INFO] running `Command { std: "docker" "start" "-a" "64148726b6a3ba540c8d7b869e71915bca21babb9cfbe48ab93ac3031f246dda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking array v0.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston3d-gfx_voxel v0.27.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/texture.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let img = try!(load_rgba8(path.as_ref()));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/texture.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let img = try!(load_rgba8(path.as_ref()));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/cube.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |         QUADS[self as usize].map(|i| VERTICES[i]).map(|v| {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `array::Array4::map(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable `std::array::<impl [T; N]>::map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/cube.rs:88:51
[INFO] [stdout]    |
[INFO] [stdout] 88 |         QUADS[self as usize].map(|i| VERTICES[i]).map(|v| {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `array::Array4::map(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable `std::array::<impl [T; N]>::map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/cube.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |         QUADS[self as usize].map(|i| VERTICES[i]).map(|v| {
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `array::Array4::map(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable `std::array::<impl [T; N]>::map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/cube.rs:88:51
[INFO] [stdout]    |
[INFO] [stdout] 88 |         QUADS[self as usize].map(|i| VERTICES[i]).map(|v| {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `array::Array4::map(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(array_map)]` to the crate attributes to enable `std::array::<impl [T; N]>::map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.14s
[INFO] running `Command { std: "docker" "inspect" "64148726b6a3ba540c8d7b869e71915bca21babb9cfbe48ab93ac3031f246dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64148726b6a3ba540c8d7b869e71915bca21babb9cfbe48ab93ac3031f246dda", kill_on_drop: false }`
[INFO] [stdout] 64148726b6a3ba540c8d7b869e71915bca21babb9cfbe48ab93ac3031f246dda