[INFO] cloning repository https://github.com/vladimirca2000/rust_minix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladimirca2000/rust_minix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladimirca2000%2Frust_minix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladimirca2000%2Frust_minix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79f5cc05dbc4d61081d2a5cb12926477105a8072
[INFO] checking vladimirca2000/rust_minix against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladimirca2000%2Frust_minix" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/vladimirca2000/rust_minix
[INFO] finished tweaking git repo https://github.com/vladimirca2000/rust_minix
[INFO] tweaked toml for git repo https://github.com/vladimirca2000/rust_minix written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vladimirca2000/rust_minix on toolchain 2b43d8e161cfe46fae25518efb124c3c1d0fa392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vladimirca2000/rust_minix 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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c78844a90bf71b4db79fe65ef43909e5a7815f0b769d774625fbd7707090ad4
[INFO] running `Command { std: "docker" "start" "-a" "0c78844a90bf71b4db79fe65ef43909e5a7815f0b769d774625fbd7707090ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c78844a90bf71b4db79fe65ef43909e5a7815f0b769d774625fbd7707090ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c78844a90bf71b4db79fe65ef43909e5a7815f0b769d774625fbd7707090ad4", kill_on_drop: false }`
[INFO] [stdout] 0c78844a90bf71b4db79fe65ef43909e5a7815f0b769d774625fbd7707090ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eec76f7b1b10041de5d64de0f0c5d5f2f03ec7e02fcb8a9ef0070ed27bb3652
[INFO] running `Command { std: "docker" "start" "-a" "1eec76f7b1b10041de5d64de0f0c5d5f2f03ec7e02fcb8a9ef0070ed27bb3652", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rust_minix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]  6 | |     println!("--- KERNEL PANIC ---");
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     loop {}
[INFO] [stdout] 24 | | }
[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/2b43d8e161cfe46fae25518efb124c3c1d0fa392/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-95d69415fb7e848a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_minix`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_minix` (bin "rust_minix" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `CMD_NONE` is never used
[INFO] [stdout]   --> src/arch/multicore.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const CMD_NONE: u32 = 0;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpinLock` is never constructed
[INFO] [stdout]    --> src/arch/multicore.rs:500:16
[INFO] [stdout]     |
[INFO] [stdout] 500 |     pub struct SpinLock {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `lock`, `unlock`, and `try_lock` are never used
[INFO] [stdout]    --> src/arch/multicore.rs:505:22
[INFO] [stdout]     |
[INFO] [stdout] 504 |     impl SpinLock {
[INFO] [stdout]     |     ------------- associated items in this implementation
[INFO] [stdout] 505 |         pub const fn new() -> Self {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 511 |         pub fn lock(&self) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |         pub fn unlock(&self) {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 523 |         pub fn try_lock(&self) -> bool {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRINT_LOCK` is never used
[INFO] [stdout]    --> src/arch/multicore.rs:531:16
[INFO] [stdout]     |
[INFO] [stdout] 531 |     pub static PRINT_LOCK: SpinLock = SpinLock::new();
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1eec76f7b1b10041de5d64de0f0c5d5f2f03ec7e02fcb8a9ef0070ed27bb3652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eec76f7b1b10041de5d64de0f0c5d5f2f03ec7e02fcb8a9ef0070ed27bb3652", kill_on_drop: false }`
[INFO] [stdout] 1eec76f7b1b10041de5d64de0f0c5d5f2f03ec7e02fcb8a9ef0070ed27bb3652