[INFO] cloning repository https://github.com/robot-rover/cpusim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robot-rover/cpusim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Fcpusim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Fcpusim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91d70cb34415086d0e4cd820c936c42813679dc9 [INFO] checking robot-rover/cpusim against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-rover%2Fcpusim" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/robot-rover/cpusim [INFO] finished tweaking git repo https://github.com/robot-rover/cpusim [INFO] tweaked toml for git repo https://github.com/robot-rover/cpusim written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/robot-rover/cpusim on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/robot-rover/cpusim 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf6d693285f7efdf7431269bdd2d6e37304200006f37e786e1425dd39c33a826 [INFO] running `Command { std: "docker" "start" "-a" "bf6d693285f7efdf7431269bdd2d6e37304200006f37e786e1425dd39c33a826", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf6d693285f7efdf7431269bdd2d6e37304200006f37e786e1425dd39c33a826", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf6d693285f7efdf7431269bdd2d6e37304200006f37e786e1425dd39c33a826", kill_on_drop: false }` [INFO] [stdout] bf6d693285f7efdf7431269bdd2d6e37304200006f37e786e1425dd39c33a826 [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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55a4fc842b6403b827913b06af0dfb38f70a165d569f895d5a1e158832ad556c [INFO] running `Command { std: "docker" "start" "-a" "55a4fc842b6403b827913b06af0dfb38f70a165d569f895d5a1e158832ad556c", kill_on_drop: false }` [INFO] [stderr] Checking bitflags v2.8.0 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking log v0.4.25 [INFO] [stderr] Checking elf v0.7.4 [INFO] [stderr] Compiling cc v1.2.10 [INFO] [stderr] Checking gdbstub v0.7.3 [INFO] [stderr] Compiling cmake v0.1.52 [INFO] [stderr] Checking gdbstub_arch v0.3.1 [INFO] [stderr] Compiling unicorn-engine v2.1.1 [INFO] [stderr] Checking cpusim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/gdb.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/gdb.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SECOND_SCALE` [INFO] [stdout] --> src/main.rs:14:61 [INFO] [stdout] | [INFO] [stdout] 14 | use unicorn_engine::unicorn_const::{Arch, Mode, Permission, SECOND_SCALE}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SECOND_SCALE` [INFO] [stdout] --> src/main.rs:14:61 [INFO] [stdout] | [INFO] [stdout] 14 | use unicorn_engine::unicorn_const::{Arch, Mode, Permission, SECOND_SCALE}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/gdb.rs:92:64 [INFO] [stdout] | [INFO] [stdout] 92 | let handle = self.uni.add_code_hook(addr, addr , |uni, addr, instr_size| uni.emu_stop().unwrap()).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/gdb.rs:92:64 [INFO] [stdout] | [INFO] [stdout] 92 | let handle = self.uni.add_code_hook(addr, addr , |uni, addr, instr_size| uni.emu_stop().unwrap()).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instr_size` [INFO] [stdout] --> src/gdb.rs:92:70 [INFO] [stdout] | [INFO] [stdout] 92 | let handle = self.uni.add_code_hook(addr, addr , |uni, addr, instr_size| uni.emu_stop().unwrap()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instr_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instr_size` [INFO] [stdout] --> src/gdb.rs:92:70 [INFO] [stdout] | [INFO] [stdout] 92 | let handle = self.uni.add_code_hook(addr, addr , |uni, addr, instr_size| uni.emu_stop().unwrap()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instr_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/gdb.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | target: &mut Self::Target, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/gdb.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | target: &mut Self::Target, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gdb.rs:131:22 [INFO] [stdout] | [INFO] [stdout] 131 | let pc = target.uni.reg_read(RegisterARM::PC).unwrap().try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/gdb.rs:131:22 [INFO] [stdout] | [INFO] [stdout] 131 | let pc = target.uni.reg_read(RegisterARM::PC).unwrap().try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cpusim` (bin "cpusim") 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 `cpusim` (bin "cpusim" test) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "55a4fc842b6403b827913b06af0dfb38f70a165d569f895d5a1e158832ad556c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55a4fc842b6403b827913b06af0dfb38f70a165d569f895d5a1e158832ad556c", kill_on_drop: false }` [INFO] [stdout] 55a4fc842b6403b827913b06af0dfb38f70a165d569f895d5a1e158832ad556c