[INFO] fetching crate monotron-app 0.5.0...
[INFO] checking monotron-app-0.5.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate monotron-app 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate monotron-app 0.5.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monotron-app 0.5.0
[INFO] finished tweaking crates.io crate monotron-app 0.5.0
[INFO] tweaked toml for crates.io crate monotron-app 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b14952ba43756649717d4c1fffe07c3c90c2b5fc6e1763cfd84d5ee609a1ac0d
[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" "b14952ba43756649717d4c1fffe07c3c90c2b5fc6e1763cfd84d5ee609a1ac0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14952ba43756649717d4c1fffe07c3c90c2b5fc6e1763cfd84d5ee609a1ac0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14952ba43756649717d4c1fffe07c3c90c2b5fc6e1763cfd84d5ee609a1ac0d", kill_on_drop: false }`
[INFO] [stdout] b14952ba43756649717d4c1fffe07c3c90c2b5fc6e1763cfd84d5ee609a1ac0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fd0ed48235380e0c9b5990a42130d72e03700912da3e7263a314a7b523e8f1
[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" "35fd0ed48235380e0c9b5990a42130d72e03700912da3e7263a314a7b523e8f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling monotron-app v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking console-traits v0.3.0
[INFO] [stderr]     Checking const-ft v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking vga-framebuffer v0.7.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stdout] warning: `extern` fn uses type `(u16, u16)`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:723:32
[INFO] [stdout]     |
[INFO] [stdout] 723 | pub extern "C" fn getsize() -> (u16, u16) {
[INFO] [stdout]     |                                ^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `JoystickState`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:817:37
[INFO] [stdout]     |
[INFO] [stdout] 817 | pub extern "C" fn get_joystick() -> JoystickState {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/lib.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | pub struct JoystickState(u8);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(u16, u16)`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:723:32
[INFO] [stdout]     |
[INFO] [stdout] 723 | pub extern "C" fn getsize() -> (u16, u16) {
[INFO] [stdout]     |                                ^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `JoystickState`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:817:37
[INFO] [stdout]     |
[INFO] [stdout] 817 | pub extern "C" fn get_joystick() -> JoystickState {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/lib.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | pub struct JoystickState(u8);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "35fd0ed48235380e0c9b5990a42130d72e03700912da3e7263a314a7b523e8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fd0ed48235380e0c9b5990a42130d72e03700912da3e7263a314a7b523e8f1", kill_on_drop: false }`
[INFO] [stdout] 35fd0ed48235380e0c9b5990a42130d72e03700912da3e7263a314a7b523e8f1