[INFO] cloning repository https://github.com/nathenjacobe/minesweeper-uefi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathenjacobe/minesweeper-uefi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathenjacobe%2Fminesweeper-uefi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathenjacobe%2Fminesweeper-uefi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a59589043b4da9158f4bd6b5b115a187098744ab
[INFO] checking nathenjacobe/minesweeper-uefi/a59589043b4da9158f4bd6b5b115a187098744ab against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathenjacobe%2Fminesweeper-uefi" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/nathenjacobe/minesweeper-uefi
[INFO] finished tweaking git repo https://github.com/nathenjacobe/minesweeper-uefi
[INFO] tweaked toml for git repo https://github.com/nathenjacobe/minesweeper-uefi written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nathenjacobe/minesweeper-uefi on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nathenjacobe/minesweeper-uefi 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucs2 v0.3.3
[INFO] [stderr]   Downloaded uefi-raw v0.11.0
[INFO] [stderr]   Downloaded uguid v2.2.0
[INFO] [stderr]   Downloaded uefi-macros v0.18.1
[INFO] [stderr]   Downloaded uefi v0.35.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaba5d2ab0e65d6d04d1256c30505f50318297381cab1f3af823b9f1ddd44e1a
[INFO] running `Command { std: "docker" "start" "-a" "eaba5d2ab0e65d6d04d1256c30505f50318297381cab1f3af823b9f1ddd44e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaba5d2ab0e65d6d04d1256c30505f50318297381cab1f3af823b9f1ddd44e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaba5d2ab0e65d6d04d1256c30505f50318297381cab1f3af823b9f1ddd44e1a", kill_on_drop: false }`
[INFO] [stdout] eaba5d2ab0e65d6d04d1256c30505f50318297381cab1f3af823b9f1ddd44e1a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ac2ac384986f83ead97794c4a29f0f3bd930495f4edfde587c87d38411f081
[INFO] running `Command { std: "docker" "start" "-a" "55ac2ac384986f83ead97794c4a29f0f3bd930495f4edfde587c87d38411f081", kill_on_drop: false }`
[INFO] [stderr]     Checking uguid v2.2.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking ucs2 v0.3.3
[INFO] [stderr]     Checking uefi-raw v0.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.0
[INFO] [stderr]    Compiling uefi-macros v0.18.1
[INFO] [stderr]     Checking ptr_meta v0.3.0
[INFO] [stderr]     Checking uefi v0.35.0
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::panic::PanicInfo`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::panic::PanicInfo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minesweeper` (bin "minesweeper") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "55ac2ac384986f83ead97794c4a29f0f3bd930495f4edfde587c87d38411f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ac2ac384986f83ead97794c4a29f0f3bd930495f4edfde587c87d38411f081", kill_on_drop: false }`
[INFO] [stdout] 55ac2ac384986f83ead97794c4a29f0f3bd930495f4edfde587c87d38411f081