[INFO] cloning repository https://github.com/xTibor/rust-on-c64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xTibor/rust-on-c64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Frust-on-c64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Frust-on-c64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73c1b06cd44cc32b2e3ea2dc9763bbe81b9e678a
[INFO] checking xTibor/rust-on-c64 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Frust-on-c64" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xTibor/rust-on-c64 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xTibor/rust-on-c64
[INFO] finished tweaking git repo https://github.com/xTibor/rust-on-c64
[INFO] tweaked toml for git repo https://github.com/xTibor/rust-on-c64 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/xTibor/rust-on-c64 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07875f127cb656a58bfc7b49bd515ddd0cc1fa2bb968c6cedff8c0fbbb0c6e4
[INFO] running `Command { std: "docker" "start" "-a" "a07875f127cb656a58bfc7b49bd515ddd0cc1fa2bb968c6cedff8c0fbbb0c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07875f127cb656a58bfc7b49bd515ddd0cc1fa2bb968c6cedff8c0fbbb0c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07875f127cb656a58bfc7b49bd515ddd0cc1fa2bb968c6cedff8c0fbbb0c6e4", kill_on_drop: false }`
[INFO] [stdout] a07875f127cb656a58bfc7b49bd515ddd0cc1fa2bb968c6cedff8c0fbbb0c6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4457a859a1e3f2009f2b508b091f320d8f831c6704af6df90005493ab5d930
[INFO] running `Command { std: "docker" "start" "-a" "9a4457a859a1e3f2009f2b508b091f320d8f831c6704af6df90005493ab5d930", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rust-on-c64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stdout]   --> src/main.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub extern fn rust_eh_personality() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stdout]    = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_on_c64`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[lang = "panic_fmt"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         loop {
[INFO] [stdout] 26 | |             let position = n * 40 + n;
[INFO] [stdout] 27 | |
[INFO] [stdout] 28 | |             core::intrinsics::copy(text.as_ptr(), screen_ptr.offset(position), text.len());
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |             }
[INFO] [stdout] 38 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 39 |       }
[INFO] [stdout] 40 |       0
[INFO] [stdout]    |       ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0522.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stdout]   --> src/main.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub extern fn rust_eh_personality() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stdout]    = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_on_c64`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[lang = "panic_fmt"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-on-c64`
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         loop {
[INFO] [stdout] 26 | |             let position = n * 40 + n;
[INFO] [stdout] 27 | |
[INFO] [stdout] 28 | |             core::intrinsics::copy(text.as_ptr(), screen_ptr.offset(position), text.len());
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |             }
[INFO] [stdout] 38 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 39 |       }
[INFO] [stdout] 40 |       0
[INFO] [stdout]    |       ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0152, E0522.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9a4457a859a1e3f2009f2b508b091f320d8f831c6704af6df90005493ab5d930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4457a859a1e3f2009f2b508b091f320d8f831c6704af6df90005493ab5d930", kill_on_drop: false }`
[INFO] [stdout] 9a4457a859a1e3f2009f2b508b091f320d8f831c6704af6df90005493ab5d930