[INFO] cloning repository https://github.com/littlezipcreations/ouroboros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/littlezipcreations/ouroboros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlezipcreations%2Fouroboros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlezipcreations%2Fouroboros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c09e0fab6ea27687ffa80f9e2085256bbc4186c8
[INFO] checking littlezipcreations/ouroboros against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlezipcreations%2Fouroboros" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/littlezipcreations/ouroboros
[INFO] finished tweaking git repo https://github.com/littlezipcreations/ouroboros
[INFO] tweaked toml for git repo https://github.com/littlezipcreations/ouroboros written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/littlezipcreations/ouroboros on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/littlezipcreations/ouroboros 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f
[INFO] running `Command { std: "docker" "start" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ouroboros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]     --> src/main.rs:2248:1
[INFO] [stdout]      |
[INFO] [stdout] 2248 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 2249 | |     let mut uart = Uart::new(0x0900_0000);
[INFO] [stdout] 2250 | |     uart.write_bytes("KERNEL PANIC!\r\n");
[INFO] [stdout] 2251 | |     loop {
[INFO] [stdout] ...    |
[INFO] [stdout] 2256 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]      = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6ee2a0f0126c8a50.rmeta
[INFO] [stdout]      = note: second definition in the local crate (`ouroboros`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ouroboros` (bin "ouroboros" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f", kill_on_drop: false }`
[INFO] [stdout] 30ea4fdd7fce6621dfb0e5772bdf17f44885220bf8274b79176cd0aa6293fb9f
