[INFO] fetching crate octopos 0.1.0...
[INFO] checking octopos-0.1.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate octopos 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate octopos 0.1.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate octopos 0.1.0
[INFO] finished tweaking crates.io crate octopos 0.1.0
[INFO] tweaked toml for crates.io crate octopos 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate octopos 0.1.0 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4072bec11c52ee761d80124e9032fc5555009e9e8450b0033805bd660cadbc86
[INFO] running `Command { std: "docker" "start" "-a" "4072bec11c52ee761d80124e9032fc5555009e9e8450b0033805bd660cadbc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4072bec11c52ee761d80124e9032fc5555009e9e8450b0033805bd660cadbc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4072bec11c52ee761d80124e9032fc5555009e9e8450b0033805bd660cadbc86", kill_on_drop: false }`
[INFO] [stdout] 4072bec11c52ee761d80124e9032fc5555009e9e8450b0033805bd660cadbc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7588920bfaaadd17f071b5fd1707f94c100da907ff0aa80042afe21e61d9a07f
[INFO] running `Command { std: "docker" "start" "-a" "7588920bfaaadd17f071b5fd1707f94c100da907ff0aa80042afe21e61d9a07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling octopos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking buddy-alloc v0.5.1
[INFO] [stdout] error[E0787]: the `asm!` macro is not allowed in naked functions
[INFO] [stdout]   --> src/kernelvec.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     asm!(
[INFO] [stdout] 13 | |         "csrrw a0, mscratch, a0",
[INFO] [stdout] 14 | |         "sd a1, 0(a0)",
[INFO] [stdout] 15 | |         "sd a2, 8(a0)",
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         options(noreturn)
[INFO] [stdout] 33 | |     );
[INFO] [stdout]    | |_____^ consider using the `naked_asm!` macro instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0787]: the `asm!` macro is not allowed in naked functions
[INFO] [stdout]   --> src/kernelvec.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     asm!(
[INFO] [stdout] 13 | |         "csrrw a0, mscratch, a0",
[INFO] [stdout] 14 | |         "sd a1, 0(a0)",
[INFO] [stdout] 15 | |         "sd a2, 8(a0)",
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |         options(noreturn)
[INFO] [stdout] 33 | |     );
[INFO] [stdout]    | |_____^ consider using the `naked_asm!` macro instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proc`
[INFO] [stdout]    --> src/proc.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut proc = Cpus::myproc().unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_proc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chan`
[INFO] [stdout]    --> src/proc.rs:173:14
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn sleep(chan: usize, lock: SpinLock) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_chan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/proc.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn sleep(chan: usize, lock: SpinLock) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proc.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut proc = Cpus::myproc().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proc`
[INFO] [stdout]    --> src/proc.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut proc = Cpus::myproc().unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_proc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chan`
[INFO] [stdout]    --> src/proc.rs:173:14
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn sleep(chan: usize, lock: SpinLock) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_chan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/proc.rs:173:27
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn sleep(chan: usize, lock: SpinLock) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/proc.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut proc = Cpus::myproc().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/uart.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |         while let Some(c) = self.getc() {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/uart.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |         while let Some(c) = self.getc() {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0787`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0787`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `octopos` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `octopos` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7588920bfaaadd17f071b5fd1707f94c100da907ff0aa80042afe21e61d9a07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7588920bfaaadd17f071b5fd1707f94c100da907ff0aa80042afe21e61d9a07f", kill_on_drop: false }`
[INFO] [stdout] 7588920bfaaadd17f071b5fd1707f94c100da907ff0aa80042afe21e61d9a07f
