[INFO] fetching crate ckb-std 0.7.3... [INFO] checking ckb-std-0.7.3 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037 [INFO] extracting crate ckb-std 0.7.3 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate ckb-std 0.7.3 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/rust-toolchain [INFO] started tweaking crates.io crate ckb-std 0.7.3 [INFO] finished tweaking crates.io crate ckb-std 0.7.3 [INFO] tweaked toml for crates.io crate ckb-std 0.7.3 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate ckb-std 0.7.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded synom v0.11.3 [INFO] [stderr] Downloaded js-sys v0.3.46 [INFO] [stderr] Downloaded flate2 v1.0.19 [INFO] [stderr] Downloaded futures v0.1.30 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.69 [INFO] [stderr] Downloaded wasm-bindgen v0.2.69 [INFO] [stderr] Downloaded ckb-standalone-types v0.0.1-pre.1 [INFO] [stderr] Downloaded unicode-xid v0.0.4 [INFO] [stderr] Downloaded ckb-x64-simulator v0.4.0 [INFO] [stderr] Downloaded addr2line v0.14.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.69 [INFO] [stderr] Downloaded enum-display-derive v0.1.0 [INFO] [stderr] Downloaded backtrace v0.3.55 [INFO] [stderr] Downloaded syn v1.0.53 [INFO] [stderr] Downloaded scroll_derive v0.10.4 [INFO] [stderr] Downloaded thiserror-impl v1.0.22 [INFO] [stderr] Downloaded thiserror v1.0.22 [INFO] [stderr] Downloaded syn v0.11.11 [INFO] [stderr] Downloaded buddy-alloc v0.4.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.69 [INFO] [stderr] Downloaded object v0.22.0 [INFO] [stderr] Downloaded derive_more v0.99.11 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.69 [INFO] [stderr] Downloaded quote v0.3.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] f2275d7fcd802be7a3d26b609ed897bbfd4d9b02894a56951408368c744384e4 [INFO] running `Command { std: "docker" "start" "-a" "f2275d7fcd802be7a3d26b609ed897bbfd4d9b02894a56951408368c744384e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2275d7fcd802be7a3d26b609ed897bbfd4d9b02894a56951408368c744384e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2275d7fcd802be7a3d26b609ed897bbfd4d9b02894a56951408368c744384e4", kill_on_drop: false }` [INFO] [stdout] f2275d7fcd802be7a3d26b609ed897bbfd4d9b02894a56951408368c744384e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31f7d7644c05b842ca9af69048e092a0ec75586dd0bb923051f28016d6fc1066 [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" "31f7d7644c05b842ca9af69048e092a0ec75586dd0bb923051f28016d6fc1066", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Checking buddy-alloc v0.4.1 [INFO] [stderr] Checking molecule v0.6.0 [INFO] [stderr] Checking ckb-standalone-types v0.0.1-pre.1 [INFO] [stderr] Compiling ckb-std v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a0` [INFO] [stdout] --> src/syscalls/native.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/syscalls/native.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/syscalls/native.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/syscalls/native.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/syscalls/native.rs:10:48 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a5` [INFO] [stdout] --> src/syscalls/native.rs:10:57 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a6` [INFO] [stdout] --> src/syscalls/native.rs:10:66 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a7` [INFO] [stdout] --> src/syscalls/native.rs:10:75 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a7` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | unsafe { syscall(code as u64, 0, 0, 0, 0, 0, 0, SYS_EXIT) }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | let ret = unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:414:5 [INFO] [stdout] | [INFO] [stdout] 414 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a0` [INFO] [stdout] --> src/syscalls/native.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/syscalls/native.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/syscalls/native.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/syscalls/native.rs:10:39 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a4` [INFO] [stdout] --> src/syscalls/native.rs:10:48 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a5` [INFO] [stdout] --> src/syscalls/native.rs:10:57 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a6` [INFO] [stdout] --> src/syscalls/native.rs:10:66 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a7` [INFO] [stdout] --> src/syscalls/native.rs:10:75 [INFO] [stdout] | [INFO] [stdout] 10 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a7` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:469:15 [INFO] [stdout] | [INFO] [stdout] 469 | let ret = unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | unsafe { syscall(code as u64, 0, 0, 0, 0, 0, 0, SYS_EXIT) }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | let ret = unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:414:5 [INFO] [stdout] | [INFO] [stdout] 414 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/syscalls/native.rs:469:15 [INFO] [stdout] | [INFO] [stdout] 469 | let ret = unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.57s [INFO] running `Command { std: "docker" "inspect" "31f7d7644c05b842ca9af69048e092a0ec75586dd0bb923051f28016d6fc1066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f7d7644c05b842ca9af69048e092a0ec75586dd0bb923051f28016d6fc1066", kill_on_drop: false }` [INFO] [stdout] 31f7d7644c05b842ca9af69048e092a0ec75586dd0bb923051f28016d6fc1066