[INFO] cloning repository https://github.com/tcheinen/rust8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcheinen/rust8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Frust8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Frust8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b313d57137990af064ca4dba9c556cc181cbe671
[INFO] checking tcheinen/rust8 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcheinen%2Frust8" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcheinen/rust8 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tcheinen/rust8
[INFO] finished tweaking git repo https://github.com/tcheinen/rust8
[INFO] tweaked toml for git repo https://github.com/tcheinen/rust8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tcheinen/rust8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.24.1
[INFO] [stderr]   Downloaded wayland-client v0.24.1
[INFO] [stderr]   Downloaded wayland-scanner v0.24.1
[INFO] [stderr]   Downloaded wayland-protocols v0.24.1
[INFO] [stderr]   Downloaded wayland-commons v0.24.1
[INFO] [stderr]   Downloaded minifb v0.15.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4437638815a889569b8d3357039811237d3a2f103ae95655fc27e6de6fec03
[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" "5b4437638815a889569b8d3357039811237d3a2f103ae95655fc27e6de6fec03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4437638815a889569b8d3357039811237d3a2f103ae95655fc27e6de6fec03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4437638815a889569b8d3357039811237d3a2f103ae95655fc27e6de6fec03", kill_on_drop: false }`
[INFO] [stdout] 5b4437638815a889569b8d3357039811237d3a2f103ae95655fc27e6de6fec03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2fb99cd00d0cc4fc33aaf466d220619dbbbb040c87e00f8a93fdf4108f7f29b
[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" "d2fb99cd00d0cc4fc33aaf466d220619dbbbb040c87e00f8a93fdf4108f7f29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking wayland-sys v0.24.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling wayland-scanner v0.24.1
[INFO] [stderr]    Compiling minifb v0.15.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.24.1
[INFO] [stderr]    Compiling wayland-protocols v0.24.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rust8-core v0.1.0 (/opt/rustwide/workdir/rust8-core)
[INFO] [stderr]     Checking wayland-commons v0.24.1
[INFO] [stderr]     Checking rust8-minifb v0.1.0 (/opt/rustwide/workdir/rust8-minifb)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> rust8-minifb/src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             window.update_with_buffer(&framebuf, width, height);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> rust8-minifb/src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             window.update_with_buffer(&framebuf, width, height);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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 33.08s
[INFO] running `Command { std: "docker" "inspect" "d2fb99cd00d0cc4fc33aaf466d220619dbbbb040c87e00f8a93fdf4108f7f29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fb99cd00d0cc4fc33aaf466d220619dbbbb040c87e00f8a93fdf4108f7f29b", kill_on_drop: false }`
[INFO] [stdout] d2fb99cd00d0cc4fc33aaf466d220619dbbbb040c87e00f8a93fdf4108f7f29b