[INFO] cloning repository https://github.com/isaacazuelos/bfgc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaacazuelos/bfgc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacazuelos%2Fbfgc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacazuelos%2Fbfgc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 404bc911e23eb3ec1a24f32eb5380a64630481f1
[INFO] checking isaacazuelos/bfgc against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacazuelos%2Fbfgc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isaacazuelos/bfgc on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isaacazuelos/bfgc
[INFO] finished tweaking git repo https://github.com/isaacazuelos/bfgc
[INFO] tweaked toml for git repo https://github.com/isaacazuelos/bfgc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/isaacazuelos/bfgc 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a07dfc1cadf879a41e41ac2a97140e334d8d35d26dbede23630f9973c0bd2c5
[INFO] running `Command { std: "docker" "start" "-a" "4a07dfc1cadf879a41e41ac2a97140e334d8d35d26dbede23630f9973c0bd2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a07dfc1cadf879a41e41ac2a97140e334d8d35d26dbede23630f9973c0bd2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a07dfc1cadf879a41e41ac2a97140e334d8d35d26dbede23630f9973c0bd2c5", kill_on_drop: false }`
[INFO] [stdout] 4a07dfc1cadf879a41e41ac2a97140e334d8d35d26dbede23630f9973c0bd2c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ffe030a97dcfe21c03769299c1fecbad8b8a87fdcf07348090b7fbf79d995d
[INFO] running `Command { std: "docker" "start" "-a" "e9ffe030a97dcfe21c03769299c1fecbad8b8a87fdcf07348090b7fbf79d995d", kill_on_drop: false }`
[INFO] [stderr]     Checking bfgc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:103:49
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let value: Value = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Value` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:103:37
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let value: Value = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant
[INFO] [stdout]    --> src/lib.rs:10:1
[INFO] [stdout]     |
[INFO] [stdout] 10  | enum Value {
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfgc` (lib); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/6db1a6a7ebb2ad243051f3ff949f987dd70cde2b/bin/rustc --crate-name bfgc --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=76c1b2dd40e0df2b -C extra-filename=-0fba6caa40663837 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dreturn-local-variable-ptr` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:103:49
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let value: Value = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfgc` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/6db1a6a7ebb2ad243051f3ff949f987dd70cde2b/bin/rustc --crate-name bfgc --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=af798435a8fd831f -C extra-filename=-d27b3ac2dbadb249 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dreturn-local-variable-ptr` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "e9ffe030a97dcfe21c03769299c1fecbad8b8a87fdcf07348090b7fbf79d995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ffe030a97dcfe21c03769299c1fecbad8b8a87fdcf07348090b7fbf79d995d", kill_on_drop: false }`
[INFO] [stdout] e9ffe030a97dcfe21c03769299c1fecbad8b8a87fdcf07348090b7fbf79d995d