[INFO] fetching crate rmenu 0.1.4...
[INFO] checking rmenu-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rmenu 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rmenu 0.1.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmenu 0.1.4
[INFO] finished tweaking crates.io crate rmenu 0.1.4
[INFO] tweaked toml for crates.io crate rmenu 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 121 packages
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cgl v0.2.3 (latest: v0.3.2)
[INFO] [stderr]       Adding cocoa v0.13.0 (latest: v0.25.0)
[INFO] [stderr]       Adding cocoa v0.14.0 (latest: v0.25.0)
[INFO] [stderr]       Adding conrod v0.58.0 (latest: v0.62.1)
[INFO] [stderr]       Adding conrod_derive v0.1.2 (latest: v0.76.1)
[INFO] [stderr]       Adding core-foundation v0.4.6 (latest: v0.9.4)
[INFO] [stderr]       Adding core-foundation v0.5.1 (latest: v0.9.4)
[INFO] [stderr]       Adding core-foundation-sys v0.4.6 (latest: v0.8.6)
[INFO] [stderr]       Adding core-foundation-sys v0.5.1 (latest: v0.8.6)
[INFO] [stderr]       Adding core-graphics v0.12.4 (latest: v0.23.2)
[INFO] [stderr]       Adding core-graphics v0.13.0 (latest: v0.23.2)
[INFO] [stderr]       Adding daggy v0.5.0 (latest: v0.8.0)
[INFO] [stderr]       Adding dlib v0.4.2 (latest: v0.5.2)
[INFO] [stderr]       Adding fixedbitset v0.1.9 (latest: v0.5.6)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding gl_generator v0.8.0 (latest: v0.14.0)
[INFO] [stderr]       Adding gl_generator v0.13.1 (latest: v0.14.0)
[INFO] [stderr]       Adding gleam v0.6.19 (latest: v0.15.0)
[INFO] [stderr]       Adding glium v0.20.0 (latest: v0.34.0)
[INFO] [stderr]       Adding glutin v0.12.2 (latest: v0.31.3)
[INFO] [stderr]       Adding khronos_api v2.2.0 (latest: v3.1.0)
[INFO] [stderr]       Adding libloading v0.6.7 (latest: v0.8.3)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding malloc_buf v0.0.6 (latest: v1.0.0)
[INFO] [stderr]       Adding memmap v0.6.2 (latest: v0.7.0)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding ordered-float v0.5.2 (latest: v4.2.0)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding petgraph v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding piston-float v0.3.0 (latest: v1.0.1)
[INFO] [stderr]       Adding piston-viewport v0.3.0 (latest: v1.0.2)
[INFO] [stderr]       Adding pistoncore-input v0.20.0 (latest: v1.0.1)
[INFO] [stderr]       Adding proc-macro2 v0.3.8 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.5.2 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding rusttype v0.4.3 (latest: v0.9.3)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding stb_truetype v0.2.8 (latest: v0.3.1)
[INFO] [stderr]       Adding syn v0.13.11 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wayland-client v0.12.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-protocols v0.12.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-scanner v0.12.5 (latest: v0.31.1)
[INFO] [stderr]       Adding wayland-sys v0.12.5 (latest: v0.31.1)
[INFO] [stderr]       Adding winit v0.10.0 (latest: v0.29.15)
[INFO] [stderr]       Adding xml-rs v0.7.0 (latest: v0.8.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded piston-viewport v0.3.0
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded conrod_derive v0.1.2
[INFO] [stderr]   Downloaded pistoncore-input v0.20.0
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded conrod v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fab661275418c1f183f2b8c5e50eefca939d71df90819cff5394c73c6e4cf9a
[INFO] running `Command { std: "docker" "start" "-a" "1fab661275418c1f183f2b8c5e50eefca939d71df90819cff5394c73c6e4cf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fab661275418c1f183f2b8c5e50eefca939d71df90819cff5394c73c6e4cf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fab661275418c1f183f2b8c5e50eefca939d71df90819cff5394c73c6e4cf9a", kill_on_drop: false }`
[INFO] [stdout] 1fab661275418c1f183f2b8c5e50eefca939d71df90819cff5394c73c6e4cf9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e5a7d2a4df8f009ec52575b0ed556b13b3c393859fc62d0b82bcf371c616804
[INFO] running `Command { std: "docker" "start" "-a" "0e5a7d2a4df8f009ec52575b0ed556b13b3c393859fc62d0b82bcf371c616804", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking conrod v0.58.0
[INFO] [stderr]     Checking rmenu v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `conrod` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use conrod::{self, widget, Colorable, Positionable, Widget, Sizeable, Borderable};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate conrod;
[INFO] [stdout]   | -------------------- the item `conrod` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `conrod` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use conrod::{self, widget, Colorable, Positionable, Widget, Sizeable, Borderable};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate conrod;
[INFO] [stdout]   | -------------------- the item `conrod` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42, syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "0e5a7d2a4df8f009ec52575b0ed556b13b3c393859fc62d0b82bcf371c616804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5a7d2a4df8f009ec52575b0ed556b13b3c393859fc62d0b82bcf371c616804", kill_on_drop: false }`
[INFO] [stdout] 0e5a7d2a4df8f009ec52575b0ed556b13b3c393859fc62d0b82bcf371c616804
[INFO] checking rmenu-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rmenu 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rmenu 0.1.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmenu 0.1.4
[INFO] finished tweaking crates.io crate rmenu 0.1.4
[INFO] tweaked toml for crates.io crate rmenu 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 596373683e5e9149f17cf135209d24572af9008ffa4056382f82ab24a779dd9a
[INFO] running `Command { std: "docker" "start" "-a" "596373683e5e9149f17cf135209d24572af9008ffa4056382f82ab24a779dd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596373683e5e9149f17cf135209d24572af9008ffa4056382f82ab24a779dd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596373683e5e9149f17cf135209d24572af9008ffa4056382f82ab24a779dd9a", kill_on_drop: false }`
[INFO] [stdout] 596373683e5e9149f17cf135209d24572af9008ffa4056382f82ab24a779dd9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31a605fdbf012fc65caeccd79f9d123d9613d29ec456ec106eb2fa18dc01568
[INFO] running `Command { std: "docker" "start" "-a" "d31a605fdbf012fc65caeccd79f9d123d9613d29ec456ec106eb2fa18dc01568", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking conrod v0.58.0
[INFO] [stderr]     Checking rmenu v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `conrod` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use conrod::{self, widget, Colorable, Positionable, Widget, Sizeable, Borderable};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate conrod;
[INFO] [stdout]   | -------------------- the item `conrod` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `conrod` is imported redundantly
[INFO] [stdout]  --> src/gui.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use conrod::{self, widget, Colorable, Positionable, Widget, Sizeable, Borderable};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate conrod;
[INFO] [stdout]   | -------------------- the item `conrod` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42, syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d31a605fdbf012fc65caeccd79f9d123d9613d29ec456ec106eb2fa18dc01568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31a605fdbf012fc65caeccd79f9d123d9613d29ec456ec106eb2fa18dc01568", kill_on_drop: false }`
[INFO] [stdout] d31a605fdbf012fc65caeccd79f9d123d9613d29ec456ec106eb2fa18dc01568