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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efe6c41bc592847b276d61d60c5436b3db637919 [INFO] checking luojia65/luojia-os-labs against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luojia65/luojia-os-labs on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] finished tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] tweaked toml for git repo https://github.com/luojia65/luojia-os-labs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/luojia65/luojia-os-labs 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/rust-embedded/riscv` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded woke v0.0.2 [INFO] [stderr] Downloaded spin v0.9.0 [INFO] [stderr] Downloaded spin v0.7.1 [INFO] [stderr] Downloaded buddy_system_allocator v0.6.0 [INFO] [stderr] Downloaded buddy_system_allocator v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c73a3264f29a261edfb7787f6affc01dc9d538357c35fdbf3c769e43fe25d906 [INFO] running `Command { std: "docker" "start" "-a" "c73a3264f29a261edfb7787f6affc01dc9d538357c35fdbf3c769e43fe25d906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c73a3264f29a261edfb7787f6affc01dc9d538357c35fdbf3c769e43fe25d906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c73a3264f29a261edfb7787f6affc01dc9d538357c35fdbf3c769e43fe25d906", kill_on_drop: false }` [INFO] [stdout] c73a3264f29a261edfb7787f6affc01dc9d538357c35fdbf3c769e43fe25d906 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4f74662339a07fcfb85e76e500020d2c47165eaa3b576a31249dc5c3cd39a43 [INFO] running `Command { std: "docker" "start" "-a" "e4f74662339a07fcfb85e76e500020d2c47165eaa3b576a31249dc5c3cd39a43", kill_on_drop: false }` [INFO] [stderr] Checking r0 v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/user) [INFO] [stderr] Compiling yield-batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/user) [INFO] [stderr] Compiling multi-program-user v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/user) [INFO] [stderr] Compiling magic-return-user v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/user) [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling trap-return-user v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/user) [INFO] [stderr] Checking spin v0.7.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling mmu-user v0.1.0 (/opt/rustwide/workdir/03-mmu-users) [INFO] [stderr] Compiling complex-ctx-user v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/user) [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling complex-ctx-kern v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/kernel) [INFO] [stderr] Checking buddy_system_allocator v0.6.0 [INFO] [stderr] Compiling template-kernel v0.1.0 (/opt/rustwide/workdir/00-template-kernel) [INFO] [stderr] Compiling virt-addr-kern v0.1.0 (/opt/rustwide/workdir/03-virt-addr-kern) [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling trap-return-kern v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/kernel) [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling va-switch-kern v0.1.0 (/opt/rustwide/workdir/03a-va-switch-kern) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking woke v0.0.2 [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling multi-program-kern v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/kernel) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01-batch-kernel/user/src/lib.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling batch-kernel v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/kernel) [INFO] [stderr] Compiling yield-batch-kernel v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/kernel) [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01b-magic-return-kern/user/src/lib.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 01a-yield-batch-kern/user/src/lib.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02-multi-program-kern/user/src/lib.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling magic-return-kern v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/kernel) [INFO] [stderr] Checking spin v0.9.0 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking buddy_system_allocator v0.8.0 [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | drop((module, function)); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02b-trap-return-kern/user/src/lib.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] error: failed to run custom build command for `complex-ctx-kern v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/kernel)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/complex-ctx-kern-acd26c9894002e43/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] cargo:rerun-if-changed=src/linker64.ld [INFO] [stderr] cargo:rustc-link-search=/opt/rustwide/target/debug/build/complex-ctx-kern-c29ad327bf015ad5/out [INFO] [stderr] cargo:rerun-if-changed=../user/src/ [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 02a-complex-ctx-kern/kernel/build.rs:25:48: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558abdbc3505 - std::backtrace_rs::backtrace::libunwind::trace::hb0d415bcff8c04ff [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x558abdbc3505 - std::backtrace_rs::backtrace::trace_unsynchronized::hd3beb7af6a65b2fb [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x558abdbc3505 - std::sys_common::backtrace::_print_fmt::hb94d89680d7f5d1c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x558abdbc3505 - ::fmt::h42d21e2ba62fd274 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x558abdbe12db - core::fmt::rt::Argument::fmt::h8932bbbd2b9c37fe [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x558abdbe12db - core::fmt::write::h672f14b769052340 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x558abdbc155f - std::io::Write::write_fmt::h4d626b1d019eca5c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x558abdbc32de - std::sys_common::backtrace::_print::h745e446c2e03c5ca [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x558abdbc32de - std::sys_common::backtrace::print::hf0f0fa4fb70dca2c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x558abdbc4749 - std::panicking::default_hook::{{closure}}::h607769b198639ae5 [INFO] [stderr] 10: 0x558abdbc44b3 - std::panicking::default_hook::h1e5811a5a9298ba1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x558abdbc4be4 - std::panicking::rust_panic_with_hook::hd0c5dc40875c06ef [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:789:13 [INFO] [stderr] 12: 0x558abdbc4ac6 - std::panicking::begin_panic_handler::{{closure}}::hde3f6d4bced89f43 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:658:13 [INFO] [stderr] 13: 0x558abdbc39c9 - std::sys_common::backtrace::__rust_end_short_backtrace::h88e846e54ebde2e3 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x558abdbc47f7 - rust_begin_unwind [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:646:5 [INFO] [stderr] 15: 0x558abdb9dfa6 - core::panicking::panic_fmt::h5ffad3fb9ad671e0 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x558abdb9e3b6 - core::result::unwrap_failed::hb58638a1c26ab909 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:1654:5 [INFO] [stderr] 17: 0x558abdba4fbc - build_script_build::insert_app_data::h4d22d908f69dd3bf [INFO] [stderr] 18: 0x558abdba4e49 - build_script_build::main::h8e817dcaaabfd1bd [INFO] [stderr] 19: 0x558abdba2843 - core::ops::function::FnOnce::call_once::h092f5043e94ede46 [INFO] [stderr] 20: 0x558abdba1ac6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0588febfb43fca08 [INFO] [stderr] 21: 0x558abdba2169 - std::rt::lang_start::{{closure}}::hcb20c5f002e83138 [INFO] [stderr] 22: 0x558abdbbea11 - core::ops::function::impls:: for &F>::call_once::hf24a18568366726b [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x558abdbbea11 - std::panicking::try::do_call::hfe98fb6a5c700fa1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 24: 0x558abdbbea11 - std::panicking::try::h887aaa509ba266ad [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 25: 0x558abdbbea11 - std::panic::catch_unwind::hdb24f00ea5a307a8 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 26: 0x558abdbbea11 - std::rt::lang_start_internal::{{closure}}::hacbffc0b2f55d28c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:48 [INFO] [stderr] 27: 0x558abdbbea11 - std::panicking::try::do_call::hc810c59098be8c17 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 28: 0x558abdbbea11 - std::panicking::try::h0d072b82be5f3f03 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 29: 0x558abdbbea11 - std::panic::catch_unwind::hb0e7e36556665803 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 30: 0x558abdbbea11 - std::rt::lang_start_internal::h4207974af80a0725 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:20 [INFO] [stderr] 31: 0x558abdba2147 - std::rt::lang_start::hb14095dcd76c1a59 [INFO] [stderr] 32: 0x558abdba6355 - main [INFO] [stderr] 33: 0x7fb7fdd08d90 - [INFO] [stderr] 34: 0x7fb7fdd08e40 - __libc_start_main [INFO] [stderr] 35: 0x558abdb9e655 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 02a-complex-ctx-kern/user/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 03-mmu-users/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> 03-mmu-users/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 03-mmu-users/src/syscall.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `code` and `extra` are never read [INFO] [stdout] --> 02a-complex-ctx-kern/user/src/syscall.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct SyscallResult { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 9 | pub code: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | pub extra: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02a-complex-ctx-kern/user/src/syscall.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | drop((module, function, arg)); [INFO] [stdout] | ^^^^^-----------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, usize)` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02a-complex-ctx-kern/user/src/syscall.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 3])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> 02a-complex-ctx-kern/user/src/syscall.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | drop((module, function, args)); [INFO] [stdout] | ^^^^^------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(usize, usize, [usize; 6])` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e4f74662339a07fcfb85e76e500020d2c47165eaa3b576a31249dc5c3cd39a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4f74662339a07fcfb85e76e500020d2c47165eaa3b576a31249dc5c3cd39a43", kill_on_drop: false }` [INFO] [stdout] e4f74662339a07fcfb85e76e500020d2c47165eaa3b576a31249dc5c3cd39a43 [INFO] checking luojia65/luojia-os-labs against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luojia65/luojia-os-labs on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] finished tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] tweaked toml for git repo https://github.com/luojia65/luojia-os-labs written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/luojia65/luojia-os-labs 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50d5808086b927dff87e46e9f85d3419530cfd3f9ac953d7a12cecdf60fcbb23 [INFO] running `Command { std: "docker" "start" "-a" "50d5808086b927dff87e46e9f85d3419530cfd3f9ac953d7a12cecdf60fcbb23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50d5808086b927dff87e46e9f85d3419530cfd3f9ac953d7a12cecdf60fcbb23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50d5808086b927dff87e46e9f85d3419530cfd3f9ac953d7a12cecdf60fcbb23", kill_on_drop: false }` [INFO] [stdout] 50d5808086b927dff87e46e9f85d3419530cfd3f9ac953d7a12cecdf60fcbb23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66b29dc22ba62b117b115821f6d1fa14239ec40fff8297c373b461e58c5786c0 [INFO] running `Command { std: "docker" "start" "-a" "66b29dc22ba62b117b115821f6d1fa14239ec40fff8297c373b461e58c5786c0", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "66b29dc22ba62b117b115821f6d1fa14239ec40fff8297c373b461e58c5786c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66b29dc22ba62b117b115821f6d1fa14239ec40fff8297c373b461e58c5786c0", kill_on_drop: false }` [INFO] [stdout] 66b29dc22ba62b117b115821f6d1fa14239ec40fff8297c373b461e58c5786c0