[INFO] cloning repository https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2018%2Fstack_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2018%2Fstack_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ca7281eabb52ca40e1f90deb9777724755b4871
[INFO] checking Rust-Mikrocontroller-Praktikum-2018/stack_game against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2018%2Fstack_game" "/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/Rust-Mikrocontroller-Praktikum-2018/stack_game on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game
[INFO] finished tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game
[INFO] tweaked toml for git repo https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Mikrocontroller-Praktikum-2018/stack_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/alloc-cortex-m.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/stm32f7-discovery.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/alloc-cortex-m.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded_stm32f7.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/rusttype.git`
[INFO] [stderr]     Updating git repository `https://github.com/m-labs/smoltcp.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/stb_truetype-rs.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2d8aa418c17e15d7ea25addc50617d42a8e9d998fd44d9de39acbb4cb5e0a23
[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" "c2d8aa418c17e15d7ea25addc50617d42a8e9d998fd44d9de39acbb4cb5e0a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d8aa418c17e15d7ea25addc50617d42a8e9d998fd44d9de39acbb4cb5e0a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d8aa418c17e15d7ea25addc50617d42a8e9d998fd44d9de39acbb4cb5e0a23", kill_on_drop: false }`
[INFO] [stdout] c2d8aa418c17e15d7ea25addc50617d42a8e9d998fd44d9de39acbb4cb5e0a23
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d06ce26cf22daf102a7e57ee4a22afbe3620adabfcc0e42c5f9eb765c669717
[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" "4d06ce26cf22daf102a7e57ee4a22afbe3620adabfcc0e42c5f9eb765c669717", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking volatile-register v0.1.2
[INFO] [stderr]     Checking bit_field v0.4.0
[INFO] [stderr]     Checking once v0.3.4
[INFO] [stderr]     Checking bit_field v0.6.1
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]     Checking r0 v0.1.0
[INFO] [stderr]     Checking bit_field v0.7.0
[INFO] [stderr]     Checking linked_list_allocator v0.5.0
[INFO] [stdout] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.5.0/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | use alloc::allocator::{Alloc, Layout, AllocErr};
[INFO] [stdout]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.5.0/src/hole.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::allocator::{Layout, AllocErr};
[INFO] [stdout]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4d06ce26cf22daf102a7e57ee4a22afbe3620adabfcc0e42c5f9eb765c669717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d06ce26cf22daf102a7e57ee4a22afbe3620adabfcc0e42c5f9eb765c669717", kill_on_drop: false }`
[INFO] [stdout] 4d06ce26cf22daf102a7e57ee4a22afbe3620adabfcc0e42c5f9eb765c669717