[INFO] cloning repository https://github.com/stevebob/belt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevebob/belt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fbelt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fbelt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e606988c7e432f81dfdb2a21d1376315cdd6cf52
[INFO] checking stevebob/belt against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Fbelt" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevebob/belt on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevebob/belt
[INFO] finished tweaking git repo https://github.com/stevebob/belt
[INFO] tweaked toml for git repo https://github.com/stevebob/belt written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/stevebob/belt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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 bytes v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b42cd19458ec239eb18293223e962c1d65256f1488df2895c952e0b219427d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54b42cd19458ec239eb18293223e962c1d65256f1488df2895c952e0b219427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b42cd19458ec239eb18293223e962c1d65256f1488df2895c952e0b219427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b42cd19458ec239eb18293223e962c1d65256f1488df2895c952e0b219427d", kill_on_drop: false }`
[INFO] [stdout] 54b42cd19458ec239eb18293223e962c1d65256f1488df2895c952e0b219427d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9324d05f46431caada33702a6fd0e0597e5ca38108cf23de36a817dcf43cc6a3
[INFO] running `Command { std: "docker" "start" "-a" "9324d05f46431caada33702a6fd0e0597e5ca38108cf23de36a817dcf43cc6a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.15.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking gilrs v0.6.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.13.1
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_window_glutin v0.23.0
[INFO] [stderr]     Checking belt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `graphics`
[INFO] [stdout]    --> src/main.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     graphics: &'a Graphics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `graphics`
[INFO] [stdout]    --> src/main.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     graphics: &'a Graphics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "9324d05f46431caada33702a6fd0e0597e5ca38108cf23de36a817dcf43cc6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9324d05f46431caada33702a6fd0e0597e5ca38108cf23de36a817dcf43cc6a3", kill_on_drop: false }`
[INFO] [stdout] 9324d05f46431caada33702a6fd0e0597e5ca38108cf23de36a817dcf43cc6a3