[INFO] cloning repository https://github.com/Knight-Ops/riscv-rtos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Knight-Ops/riscv-rtos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Friscv-rtos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Friscv-rtos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 442acdd37d68b6361be374337102cd3de4692f42
[INFO] checking Knight-Ops/riscv-rtos against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight-Ops%2Friscv-rtos" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Knight-Ops/riscv-rtos on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Knight-Ops/riscv-rtos
[INFO] removed path dependency k210-hal from git repo https://github.com/Knight-Ops/riscv-rtos
[INFO] finished tweaking git repo https://github.com/Knight-Ops/riscv-rtos
[INFO] tweaked toml for git repo https://github.com/Knight-Ops/riscv-rtos written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Knight-Ops/riscv-rtos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (k210-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (k210-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded k210-hal v0.2.0
[INFO] [stderr]   Downloaded riscv-rt v0.8.0
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded riscv v0.6.0
[INFO] [stderr]   Downloaded hifive1 v0.9.0
[INFO] [stderr]   Downloaded e310x-hal v0.9.0
[INFO] [stderr]   Downloaded e310x v0.9.0
[INFO] [stderr]   Downloaded k210-pac v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d21c825a623b9343cb0ebc1a1067d8ee24626ca554067462d312841516862fd
[INFO] running `Command { std: "docker" "start" "-a" "0d21c825a623b9343cb0ebc1a1067d8ee24626ca554067462d312841516862fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d21c825a623b9343cb0ebc1a1067d8ee24626ca554067462d312841516862fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d21c825a623b9343cb0ebc1a1067d8ee24626ca554067462d312841516862fd", kill_on_drop: false }`
[INFO] [stdout] 0d21c825a623b9343cb0ebc1a1067d8ee24626ca554067462d312841516862fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005ec11c74f6b0db1c816ae4486842b0b2c8391d91c74903307875a831b2cb91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "005ec11c74f6b0db1c816ae4486842b0b2c8391d91c74903307875a831b2cb91", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (k210-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling e310x v0.9.0
[INFO] [stderr]    Compiling hifive1 v0.9.0
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling riscv-rt v0.8.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]     Checking e310x-hal v0.9.0
[INFO] [stderr]     Checking riscv-rtos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `mut_spinlock`, `read_spinlock`, `write_spinlock`
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{println, mut_spinlock, spinlock, read_spinlock, write_spinlock};
[INFO] [stdout]    |                      ^^^^^^^^^^^^            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwSpinlock`
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::sync::{Spinlock, RwSpinlock};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/panic.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{print, println};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> src/sync.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lock_api::{GuardSend, RawMutex, RawRwLock, RwLock};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     match cause {
[INFO] [stdout] 40 | |         Trap::Interrupt(int) => match int {
[INFO] [stdout] 41 | |             Interrupt::UserSoft => {
[INFO] [stdout] 42 | |                 panic!("UserSoft Interrupt")
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |         _ => panic!("Unhandled Exception in the Interrupt Handler!"),
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 78 | 
[INFO] [stdout] 79 |       loop {}
[INFO] [stdout]    |       ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bsp/hifive/mod.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     match cause {
[INFO] [stdout] 89  | |         Trap::Exception(exc) => {
[INFO] [stdout] 90  | |             match exc {
[INFO] [stdout] 91  | |                 Exception::InstructionMisaligned => {
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |         _ => panic!("Unhandled Interrupt in the Exception Handler!"),
[INFO] [stdout] 156 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 157 | /     loop {
[INFO] [stdout] 158 | |         continue;
[INFO] [stdout] 159 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `mut_spinlock`, `read_spinlock`, `write_spinlock`
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{println, mut_spinlock, spinlock, read_spinlock, write_spinlock};
[INFO] [stdout]    |                      ^^^^^^^^^^^^            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwSpinlock`
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::sync::{Spinlock, RwSpinlock};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/panic.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{print, println};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]  --> src/sync.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lock_api::{GuardSend, RawMutex, RawRwLock, RwLock};
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/panic.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn panic(info: &core::panic::PanicInfo) -> ! {
[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/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-25c6acf8063a3802.rlib
[INFO] [stdout]   = note: second definition in the local crate (`riscv_rtos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bsp/hifive/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     match cause {
[INFO] [stdout] 40 | |         Trap::Interrupt(int) => match int {
[INFO] [stdout] 41 | |             Interrupt::UserSoft => {
[INFO] [stdout] 42 | |                 panic!("UserSoft Interrupt")
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |         _ => panic!("Unhandled Exception in the Interrupt Handler!"),
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 78 | 
[INFO] [stdout] 79 |       loop {}
[INFO] [stdout]    |       ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bsp/hifive/mod.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     match cause {
[INFO] [stdout] 89  | |         Trap::Exception(exc) => {
[INFO] [stdout] 90  | |             match exc {
[INFO] [stdout] 91  | |                 Exception::InstructionMisaligned => {
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |         _ => panic!("Unhandled Interrupt in the Exception Handler!"),
[INFO] [stdout] 156 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 157 | /     loop {
[INFO] [stdout] 158 | |         continue;
[INFO] [stdout] 159 | |     }
[INFO] [stdout]     | |_____^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-rtos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "005ec11c74f6b0db1c816ae4486842b0b2c8391d91c74903307875a831b2cb91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005ec11c74f6b0db1c816ae4486842b0b2c8391d91c74903307875a831b2cb91", kill_on_drop: false }`
[INFO] [stdout] 005ec11c74f6b0db1c816ae4486842b0b2c8391d91c74903307875a831b2cb91