[INFO] cloning repository https://github.com/camjackson/conway_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camjackson/conway_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5895769b2e96b41ef45f8cccc20b59c27dae3d8
[INFO] checking camjackson/conway_rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/conway_rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camjackson/conway_rs
[INFO] finished tweaking git repo https://github.com/camjackson/conway_rs
[INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/conway_rs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded osmesa-sys v0.0.5
[INFO] [stderr]   Downloaded shared_library v0.1.4
[INFO] [stderr]   Downloaded wayland-sys v0.5.11
[INFO] [stderr]   Downloaded smallvec v0.1.7
[INFO] [stderr]   Downloaded shell32-sys v0.1.1
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[INFO] [stderr]   Downloaded wayland-window v0.2.3
[INFO] [stderr]   Downloaded cgl v0.1.4
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded gcc v0.3.28
[INFO] [stderr]   Downloaded objc v0.2.1
[INFO] [stderr]   Downloaded serde v0.7.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.4
[INFO] [stderr]   Downloaded wayland-kbd v0.3.5
[INFO] [stderr]   Downloaded glutin v0.5.1
[INFO] [stderr]   Downloaded khronos_api v1.0.0
[INFO] [stderr]   Downloaded lazy_static v0.2.1
[INFO] [stderr]   Downloaded glium v0.14.0
[INFO] [stderr]   Downloaded winapi v0.2.6
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded crossbeam v0.2.9
[INFO] [stderr]   Downloaded xml-rs v0.3.2
[INFO] [stderr]   Downloaded wayland-client v0.5.11
[INFO] [stderr]   Downloaded x11-dl v2.4.0
[INFO] [stderr]   Downloaded android_glue v0.1.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.1
[INFO] [stderr]   Downloaded memmap v0.2.3
[INFO] [stderr]   Downloaded byteorder v0.5.1
[INFO] [stderr]   Downloaded libloading v0.2.2
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded core-graphics v0.3.0
[INFO] [stderr]   Downloaded dwmapi-sys v0.1.0
[INFO] [stderr]   Downloaded gl_generator v0.5.1
[INFO] [stderr]   Downloaded user32-sys v0.1.2
[INFO] [stderr]   Downloaded fs2 v0.2.4
[INFO] [stderr]   Downloaded tempfile v2.1.3
[INFO] [stderr]   Downloaded bitflags v0.6.0
[INFO] [stderr]   Downloaded gleam v0.2.18
[INFO] [stderr]   Downloaded cocoa v0.3.2
[INFO] [stderr]   Downloaded core-foundation v0.2.1
[INFO] [stderr]   Downloaded gdi32-sys v0.1.1
[INFO] [stderr]   Downloaded wayland-scanner v0.5.11
[INFO] [stderr]   Downloaded libc v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 180460337d3c4c75b556dbad26b5191b75cbffc142e7370ef463dada94b0c208
[INFO] running `Command { std: "docker" "start" "-a" "180460337d3c4c75b556dbad26b5191b75cbffc142e7370ef463dada94b0c208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180460337d3c4c75b556dbad26b5191b75cbffc142e7370ef463dada94b0c208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180460337d3c4c75b556dbad26b5191b75cbffc142e7370ef463dada94b0c208", kill_on_drop: false }`
[INFO] [stdout] 180460337d3c4c75b556dbad26b5191b75cbffc142e7370ef463dada94b0c208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e01ca6ce61fd2daa4de618ca10351e71ee03e6c9ff1e1bf645e6694f345a252
[INFO] running `Command { std: "docker" "start" "-a" "9e01ca6ce61fd2daa4de618ca10351e71ee03e6c9ff1e1bf645e6694f345a252", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking shared_library v0.1.4
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking byteorder v0.5.1
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]     Checking fs2 v0.2.4
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking dlib v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking x11-dl v2.4.0
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking smallvec v0.1.7
[INFO] [stderr]    Compiling glutin v0.5.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]    Compiling wayland-client v0.5.11
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking wayland-kbd v0.3.5
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking conway_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/seeds.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 `rand` is imported redundantly
[INFO] [stdout]  --> src/seeds.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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: 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 9.24s
[INFO] running `Command { std: "docker" "inspect" "9e01ca6ce61fd2daa4de618ca10351e71ee03e6c9ff1e1bf645e6694f345a252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e01ca6ce61fd2daa4de618ca10351e71ee03e6c9ff1e1bf645e6694f345a252", kill_on_drop: false }`
[INFO] [stdout] 9e01ca6ce61fd2daa4de618ca10351e71ee03e6c9ff1e1bf645e6694f345a252
[INFO] checking camjackson/conway_rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/conway_rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camjackson/conway_rs
[INFO] finished tweaking git repo https://github.com/camjackson/conway_rs
[INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/conway_rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ceb20fa3b5af89b48f2df4813dfd654c0acd5e0f347a242ef8680b9fb03886c
[INFO] running `Command { std: "docker" "start" "-a" "1ceb20fa3b5af89b48f2df4813dfd654c0acd5e0f347a242ef8680b9fb03886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ceb20fa3b5af89b48f2df4813dfd654c0acd5e0f347a242ef8680b9fb03886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ceb20fa3b5af89b48f2df4813dfd654c0acd5e0f347a242ef8680b9fb03886c", kill_on_drop: false }`
[INFO] [stdout] 1ceb20fa3b5af89b48f2df4813dfd654c0acd5e0f347a242ef8680b9fb03886c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faa708f19e03e1f53c7b2919f7162a3669259110add26186b49f4e213629b6b0
[INFO] running `Command { std: "docker" "start" "-a" "faa708f19e03e1f53c7b2919f7162a3669259110add26186b49f4e213629b6b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking shared_library v0.1.4
[INFO] [stderr]     Checking fs2 v0.2.4
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking byteorder v0.5.1
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking dlib v0.3.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking x11-dl v2.4.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking smallvec v0.1.7
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]    Compiling wayland-client v0.5.11
[INFO] [stderr]    Compiling glutin v0.5.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/glium-0.14.0/src/buffer/alloc.rs:1507:5
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     panic!();
[INFO] [stdout]      |     ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glium` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "faa708f19e03e1f53c7b2919f7162a3669259110add26186b49f4e213629b6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa708f19e03e1f53c7b2919f7162a3669259110add26186b49f4e213629b6b0", kill_on_drop: false }`
[INFO] [stdout] faa708f19e03e1f53c7b2919f7162a3669259110add26186b49f4e213629b6b0