[INFO] cloning repository https://github.com/kaliumxyz/ctf-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaliumxyz/ctf-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaliumxyz%2Fctf-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaliumxyz%2Fctf-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d1797d4b6d554eae14e51eb9664168751273f4c [INFO] checking kaliumxyz/ctf-vm against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaliumxyz%2Fctf-vm" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kaliumxyz/ctf-vm on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kaliumxyz/ctf-vm [INFO] finished tweaking git repo https://github.com/kaliumxyz/ctf-vm [INFO] tweaked toml for git repo https://github.com/kaliumxyz/ctf-vm written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kaliumxyz/ctf-vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0484d59291341e9b02c2e4080244adebd5170bd243dfb2ae2b2748d7e94a9e2d [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" "0484d59291341e9b02c2e4080244adebd5170bd243dfb2ae2b2748d7e94a9e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0484d59291341e9b02c2e4080244adebd5170bd243dfb2ae2b2748d7e94a9e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0484d59291341e9b02c2e4080244adebd5170bd243dfb2ae2b2748d7e94a9e2d", kill_on_drop: false }` [INFO] [stdout] 0484d59291341e9b02c2e4080244adebd5170bd243dfb2ae2b2748d7e94a9e2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--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] e13febecc781e108c5c72cf56c18f8a4d57bbff3e11449f06a7ba531020f60d2 [INFO] running `Command { std: "docker" "start" "-a" "e13febecc781e108c5c72cf56c18f8a4d57bbff3e11449f06a7ba531020f60d2", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking synacor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::util::*` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::util::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::halt` [INFO] [stdout] --> src/opcode.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::halt; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::opcode::Code` [INFO] [stdout] --> src/debug/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::opcode::Code; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::util::*` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::util::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::halt` [INFO] [stdout] --> src/opcode.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::halt; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::opcode::Code` [INFO] [stdout] --> src/debug/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::opcode::Code; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/opcode.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/opcode.rs:139:36 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `code` [INFO] [stdout] --> src/opcode.rs:139:53 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/opcode.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/opcode.rs:139:36 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `code` [INFO] [stdout] --> src/opcode.rs:139:53 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut stack: Vec = save.drain(0..(sp * 2)).collect(); [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: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut stack: Vec = save.drain(0..(sp * 2)).collect(); [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: function is never used: `debug_op` [INFO] [stdout] --> src/opcode.rs:139:8 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `debug_op` [INFO] [stdout] --> src/opcode.rs:139:8 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn debug_op(state: &mut State, meta: &mut Meta, code: Code) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.85s [INFO] running `Command { std: "docker" "inspect" "e13febecc781e108c5c72cf56c18f8a4d57bbff3e11449f06a7ba531020f60d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e13febecc781e108c5c72cf56c18f8a4d57bbff3e11449f06a7ba531020f60d2", kill_on_drop: false }` [INFO] [stdout] e13febecc781e108c5c72cf56c18f8a4d57bbff3e11449f06a7ba531020f60d2