[INFO] cloning repository https://github.com/SwanX1/alean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SwanX1/alean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwanX1%2Falean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwanX1%2Falean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c703d19f779948a3333a61f1be68a96bd6e7d606
[INFO] checking SwanX1/alean against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwanX1%2Falean" "/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/SwanX1/alean
[INFO] finished tweaking git repo https://github.com/SwanX1/alean
[INFO] tweaked toml for git repo https://github.com/SwanX1/alean written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SwanX1/alean on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SwanX1/alean 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d
[INFO] running `Command { std: "docker" "start" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d", 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" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d", 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" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking alean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub fn kernel_panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | | }
[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/6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1143cdb186b7e82f.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`alean`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alean` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/alloc/arbitrary_ptr.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ArbitraryPtr {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 19 |   pub const fn new(ptr: *mut ()) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8_slice` is never used
[INFO] [stdout]   --> src/shell.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Command {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 72 |   pub fn from_u8_slice(slice: &[u8]) -> &Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `likely_unlikely` is declared but not used
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(likely_unlikely)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d", kill_on_drop: false }`
[INFO] [stdout] 48fe8ca5ab31890ce4fd6b7802cfb0b8584fc28df3bd53adec35d0179446428d
