[INFO] fetching crate novusk_syscalls 0.2.1... [INFO] testing novusk_syscalls-0.2.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate novusk_syscalls 0.2.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate novusk_syscalls 0.2.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate novusk_syscalls 0.2.1 [INFO] finished tweaking crates.io crate novusk_syscalls 0.2.1 [INFO] tweaked toml for crates.io crate novusk_syscalls 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate novusk_syscalls 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9b9b47522eb1edb59f91141a53c85ba8ea417acf0888ee3d3f1d3da753888e5 [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" "c9b9b47522eb1edb59f91141a53c85ba8ea417acf0888ee3d3f1d3da753888e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9b9b47522eb1edb59f91141a53c85ba8ea417acf0888ee3d3f1d3da753888e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9b9b47522eb1edb59f91141a53c85ba8ea417acf0888ee3d3f1d3da753888e5", kill_on_drop: false }` [INFO] [stdout] c9b9b47522eb1edb59f91141a53c85ba8ea417acf0888ee3d3f1d3da753888e5 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", 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] c0fd85b56216f9f6229db91c0291f0ee6a8f3f28a84396002d913ac6aa9095b5 [INFO] running `Command { std: "docker" "start" "-a" "c0fd85b56216f9f6229db91c0291f0ee6a8f3f28a84396002d913ac6aa9095b5", kill_on_drop: false }` [INFO] [stderr] Compiling novusk_syscalls v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sys_arg1` [INFO] [stdout] --> src/empty.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg2` [INFO] [stdout] --> src/empty.rs:5:50 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg3` [INFO] [stdout] --> src/empty.rs:5:64 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/table.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut ret = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut syscalls = self.syscalls.as_mut().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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `Command { std: "docker" "inspect" "c0fd85b56216f9f6229db91c0291f0ee6a8f3f28a84396002d913ac6aa9095b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0fd85b56216f9f6229db91c0291f0ee6a8f3f28a84396002d913ac6aa9095b5", kill_on_drop: false }` [INFO] [stdout] c0fd85b56216f9f6229db91c0291f0ee6a8f3f28a84396002d913ac6aa9095b5 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff57a1c4570e9ffc1ef6e3ae1616e608f37701b7f08dd4201de9c554fdd7f7ad [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" "ff57a1c4570e9ffc1ef6e3ae1616e608f37701b7f08dd4201de9c554fdd7f7ad", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `sys_arg1` [INFO] [stdout] --> src/empty.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling novusk_syscalls v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sys_arg2` [INFO] [stdout] --> src/empty.rs:5:50 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg3` [INFO] [stdout] --> src/empty.rs:5:64 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/table.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut ret = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut syscalls = self.syscalls.as_mut().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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg3` [INFO] [stdout] --> examples/write.rs:1:64 [INFO] [stdout] | [INFO] [stdout] 1 | pub unsafe extern "C" fn sys_write(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg1` [INFO] [stdout] --> src/empty.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg2` [INFO] [stdout] --> src/empty.rs:5:50 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg3` [INFO] [stdout] --> src/empty.rs:5:64 [INFO] [stdout] | [INFO] [stdout] 5 | pub unsafe extern "C" fn sys_empty(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/table.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let mut ret = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/table.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut syscalls = self.syscalls.as_mut().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] error[E0601]: `main` function not found in crate `write` [INFO] [stdout] --> examples/write.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / pub unsafe extern "C" fn sys_write(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] 2 | | print!("{}", sys_arg1 as char); [INFO] [stdout] 3 | | return sys_arg2; [INFO] [stdout] 4 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `examples/write.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sys_arg3` [INFO] [stdout] --> examples/write.rs:1:64 [INFO] [stdout] | [INFO] [stdout] 1 | pub unsafe extern "C" fn sys_write(sys_arg1: u8, sys_arg2: u8, sys_arg3: u8) -> u8 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sys_arg3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `novusk_syscalls` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ff57a1c4570e9ffc1ef6e3ae1616e608f37701b7f08dd4201de9c554fdd7f7ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff57a1c4570e9ffc1ef6e3ae1616e608f37701b7f08dd4201de9c554fdd7f7ad", kill_on_drop: false }` [INFO] [stdout] ff57a1c4570e9ffc1ef6e3ae1616e608f37701b7f08dd4201de9c554fdd7f7ad