[INFO] cloning repository https://github.com/meow-chip/MeowSBI
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meow-chip/MeowSBI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeow-chip%2FMeowSBI"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeow-chip%2FMeowSBI'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd3f1b89aec00b93189de930dc47a27b4fa56c16
[INFO] checking meow-chip/MeowSBI against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeow-chip%2FMeowSBI" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meow-chip/MeowSBI on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/meow-chip/MeowSBI
[INFO] finished tweaking git repo https://github.com/meow-chip/MeowSBI
[INFO] tweaked toml for git repo https://github.com/meow-chip/MeowSBI written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/meow-chip/MeowSBI already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5efa1480a0705e1160966e6fc036c88f622f09c71c31cdc466498633d2d6a18d
[INFO] running `"docker" "start" "-a" "5efa1480a0705e1160966e6fc036c88f622f09c71c31cdc466498633d2d6a18d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling riscv v0.5.6
[INFO] [stderr]    Compiling meow-sbi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking fdt v0.0.1
[INFO] [stderr] warning: variable `uart_baud` is assigned to, but never used
[INFO] [stderr]   --> src/platform/qemu.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut uart_baud: Option<usize> = None;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_uart_baud` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `uart_baud` is never read
[INFO] [stderr]   --> src/platform/qemu.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 uart_baud = node.property("current-speed")
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a2`
[INFO] [stderr]    --> src/sbi/mod.rs:102:60
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn call(ext: usize, func: usize, a0: usize, a1: usize, a2: usize) -> SBIRet {
[INFO] [stderr]     |                                                            ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `uart_baud` is assigned to, but never used
[INFO] [stderr]   --> src/platform/qemu.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut uart_baud: Option<usize> = None;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_uart_baud` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `uart_baud` is never read
[INFO] [stderr]   --> src/platform/qemu.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 uart_baud = node.property("current-speed")
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a2`
[INFO] [stderr]    --> src/sbi/mod.rs:102:60
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn call(ext: usize, func: usize, a0: usize, a1: usize, a2: usize) -> SBIRet {
[INFO] [stderr]     |                                                            ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/serial.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ipi_wait`
[INFO] [stderr]   --> src/mem.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn ipi_wait(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `WRITE`
[INFO] [stderr]  --> src/serial.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub static WRITE: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PRINT`
[INFO] [stderr]   --> src/serial.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub static PRINT: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/serial.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ipi_wait`
[INFO] [stderr]   --> src/mem.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn ipi_wait(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `WRITE`
[INFO] [stderr]  --> src/serial.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub static WRITE: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PRINT`
[INFO] [stderr]   --> src/serial.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub static PRINT: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `"docker" "inspect" "5efa1480a0705e1160966e6fc036c88f622f09c71c31cdc466498633d2d6a18d"`
[INFO] running `"docker" "rm" "-f" "5efa1480a0705e1160966e6fc036c88f622f09c71c31cdc466498633d2d6a18d"`
[INFO] [stdout] 5efa1480a0705e1160966e6fc036c88f622f09c71c31cdc466498633d2d6a18d