[INFO] fetching crate gol 0.1.14...
[INFO] checking gol-0.1.14 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gol 0.1.14 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate gol 0.1.14 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 gol 0.1.14
[INFO] finished tweaking crates.io crate gol 0.1.14
[INFO] tweaked toml for crates.io crate gol 0.1.14 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate gol 0.1.14 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.8
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded gfx_gl v0.6.1
[INFO] [stderr]   Downloaded gfx_window_glutin v0.30.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.6
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.2
[INFO] [stderr]   Downloaded xml-rs v0.8.19
[INFO] [stderr]   Downloaded gfx v0.18.3
[INFO] [stderr]   Downloaded gfx_core v0.9.2
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded glutin v0.20.1
[INFO] [stderr]   Downloaded rayon v0.8.2
[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] c7d486dddbf3e0eed35120b5c5462390b56423c448cc1248ec95e36f6b9142d0
[INFO] running `Command { std: "docker" "start" "-a" "c7d486dddbf3e0eed35120b5c5462390b56423c448cc1248ec95e36f6b9142d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7d486dddbf3e0eed35120b5c5462390b56423c448cc1248ec95e36f6b9142d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d486dddbf3e0eed35120b5c5462390b56423c448cc1248ec95e36f6b9142d0", kill_on_drop: false }`
[INFO] [stdout] c7d486dddbf3e0eed35120b5c5462390b56423c448cc1248ec95e36f6b9142d0
[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] cc2018610268a52c1324e359b875bcf39af74c763e4f7a0fd3125f83a412bbbc
[INFO] running `Command { std: "docker" "start" "-a" "cc2018610268a52c1324e359b875bcf39af74c763e4f7a0fd3125f83a412bbbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gfx v0.18.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr]     Checking gol v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/data/grid.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gfx_window_glutin` is imported redundantly
[INFO] [stdout]  --> src/rendering/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gfx_window_glutin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate gfx_window_glutin;
[INFO] [stdout]   | ------------------------------- the item `gfx_window_glutin` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glutin` is imported redundantly
[INFO] [stdout]  --> src/rendering/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use glutin;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate glutin;
[INFO] [stdout]   | -------------------- the item `glutin` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/data/grid.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gfx_window_glutin` is imported redundantly
[INFO] [stdout]  --> src/rendering/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gfx_window_glutin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate gfx_window_glutin;
[INFO] [stdout]   | ------------------------------- the item `gfx_window_glutin` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glutin` is imported redundantly
[INFO] [stdout]  --> src/rendering/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use glutin;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate glutin;
[INFO] [stdout]   | -------------------- the item `glutin` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.21s
[INFO] running `Command { std: "docker" "inspect" "cc2018610268a52c1324e359b875bcf39af74c763e4f7a0fd3125f83a412bbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2018610268a52c1324e359b875bcf39af74c763e4f7a0fd3125f83a412bbbc", kill_on_drop: false }`
[INFO] [stdout] cc2018610268a52c1324e359b875bcf39af74c763e4f7a0fd3125f83a412bbbc