[INFO] cloning repository https://github.com/MarioVieilledent/complex_numbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarioVieilledent/complex_numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarioVieilledent%2Fcomplex_numbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarioVieilledent%2Fcomplex_numbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cb42177d72304152dbfe9bef9138fb04e1ef28a
[INFO] checking MarioVieilledent/complex_numbers against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarioVieilledent%2Fcomplex_numbers" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarioVieilledent/complex_numbers 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 git repo https://github.com/MarioVieilledent/complex_numbers
[INFO] finished tweaking git repo https://github.com/MarioVieilledent/complex_numbers
[INFO] tweaked toml for git repo https://github.com/MarioVieilledent/complex_numbers written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarioVieilledent/complex_numbers already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.7
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded x11-dl v2.20.0
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded exr v1.5.1
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 404f6e29bbbd6a7c4729ba1287b978aef73c54782bcd08b7b5d52d66480f75ff
[INFO] running `Command { std: "docker" "start" "-a" "404f6e29bbbd6a7c4729ba1287b978aef73c54782bcd08b7b5d52d66480f75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404f6e29bbbd6a7c4729ba1287b978aef73c54782bcd08b7b5d52d66480f75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404f6e29bbbd6a7c4729ba1287b978aef73c54782bcd08b7b5d52d66480f75ff", kill_on_drop: false }`
[INFO] [stdout] 404f6e29bbbd6a7c4729ba1287b978aef73c54782bcd08b7b5d52d66480f75ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 08cb30964671d045784449cbdbfbc824a455a27b272a851d8a73f190951fb491
[INFO] running `Command { std: "docker" "start" "-a" "08cb30964671d045784449cbdbfbc824a455a27b272a851d8a73f190951fb491", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking either v1.8.0
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[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking rusttype v0.9.2
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[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking andrew v0.3.1
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[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.17.6
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking spin_sleep v1.1.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking piston2d-graphics v0.42.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.1
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking pistoncore-window v0.47.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
[INFO] [stderr]     Checking piston v0.53.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.81.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking complex_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]   --> src/piston.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]   --> src/piston.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.06s
[INFO] running `Command { std: "docker" "inspect" "08cb30964671d045784449cbdbfbc824a455a27b272a851d8a73f190951fb491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cb30964671d045784449cbdbfbc824a455a27b272a851d8a73f190951fb491", kill_on_drop: false }`
[INFO] [stdout] 08cb30964671d045784449cbdbfbc824a455a27b272a851d8a73f190951fb491
[INFO] checking MarioVieilledent/complex_numbers against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarioVieilledent%2Fcomplex_numbers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarioVieilledent/complex_numbers 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 git repo https://github.com/MarioVieilledent/complex_numbers
[INFO] finished tweaking git repo https://github.com/MarioVieilledent/complex_numbers
[INFO] tweaked toml for git repo https://github.com/MarioVieilledent/complex_numbers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MarioVieilledent/complex_numbers already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7aae82bf963de38000e867fd793c3b4e8506d4ae765367b384290a9fef0ca2ce
[INFO] running `Command { std: "docker" "start" "-a" "7aae82bf963de38000e867fd793c3b4e8506d4ae765367b384290a9fef0ca2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aae82bf963de38000e867fd793c3b4e8506d4ae765367b384290a9fef0ca2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aae82bf963de38000e867fd793c3b4e8506d4ae765367b384290a9fef0ca2ce", kill_on_drop: false }`
[INFO] [stdout] 7aae82bf963de38000e867fd793c3b4e8506d4ae765367b384290a9fef0ca2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f9de6bad269276ad68db22d8af7d68368abdc6cdbace582d0bf7a4df4f557c38
[INFO] running `Command { std: "docker" "start" "-a" "f9de6bad269276ad68db22d8af7d68368abdc6cdbace582d0bf7a4df4f557c38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]    Compiling futures-core v0.3.24
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[INFO] [stderr]     Checking complex_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]   --> src/piston.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]   --> src/piston.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.81s
[INFO] running `Command { std: "docker" "inspect" "f9de6bad269276ad68db22d8af7d68368abdc6cdbace582d0bf7a4df4f557c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9de6bad269276ad68db22d8af7d68368abdc6cdbace582d0bf7a4df4f557c38", kill_on_drop: false }`
[INFO] [stdout] f9de6bad269276ad68db22d8af7d68368abdc6cdbace582d0bf7a4df4f557c38