[INFO] cloning repository https://github.com/CTF-hacmao/fuzz-with-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CTF-hacmao/fuzz-with-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCTF-hacmao%2Ffuzz-with-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCTF-hacmao%2Ffuzz-with-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274c385f5830a8842872af953d3ab07017f91b3b
[INFO] building CTF-hacmao/fuzz-with-emu against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCTF-hacmao%2Ffuzz-with-emu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CTF-hacmao/fuzz-with-emu on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CTF-hacmao/fuzz-with-emu
[INFO] finished tweaking git repo https://github.com/CTF-hacmao/fuzz-with-emu
[INFO] tweaked toml for git repo https://github.com/CTF-hacmao/fuzz-with-emu written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CTF-hacmao/fuzz-with-emu 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb2c8ea5de081f73256aa2f01b50296cc26f89106df7f11366b52600e54a5c0
[INFO] running `Command { std: "docker" "start" "-a" "8eb2c8ea5de081f73256aa2f01b50296cc26f89106df7f11366b52600e54a5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb2c8ea5de081f73256aa2f01b50296cc26f89106df7f11366b52600e54a5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb2c8ea5de081f73256aa2f01b50296cc26f89106df7f11366b52600e54a5c0", kill_on_drop: false }`
[INFO] [stdout] 8eb2c8ea5de081f73256aa2f01b50296cc26f89106df7f11366b52600e54a5c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03df8de468091dcf22a2daf18c9c59a00a091374a10fe713cb3d8555301412a1
[INFO] running `Command { std: "docker" "start" "-a" "03df8de468091dcf22a2daf18c9c59a00a091374a10fe713cb3d8555301412a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzz_with_emus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | /         /// Put dirty block in dirty-list if not
[INFO] [stdout] 124 | |         /// Change dirty-bitmap if not dirty 
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout] 125 |           let block_start = addr.0 / DIRTY_BLOCK_SIZE;
[INFO] [stdout]     |           -------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let base = emu.memory.allocate(4).unwrap(); 
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/main.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut bytes = [0u8; 4]; 
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ii`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         for ii in 0..100_000_000 {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_ii`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut bytes = [0u8; 4]; 
[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: constant `PERM_READ` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PERM_READ: u8 = 1 << 1; 
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PERM_EXEC` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PERM_EXEC: u8 = 1 << 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_from` and `read_into` are never used
[INFO] [stdout]    --> src/main.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 33  | impl Mmu{
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn write_from(&mut self, addr: VirtAddr, buf : &[u8]) -> Option<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn read_into(&mut self, addr: VirtAddr, buf: &mut [u8], size: usize) -> Option<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "03df8de468091dcf22a2daf18c9c59a00a091374a10fe713cb3d8555301412a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03df8de468091dcf22a2daf18c9c59a00a091374a10fe713cb3d8555301412a1", kill_on_drop: false }`
[INFO] [stdout] 03df8de468091dcf22a2daf18c9c59a00a091374a10fe713cb3d8555301412a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b93f654820140489bced123ac9aaf7ff2a09a6d24c02306e09196cae0d017f6
[INFO] running `Command { std: "docker" "start" "-a" "5b93f654820140489bced123ac9aaf7ff2a09a6d24c02306e09196cae0d017f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzz_with_emus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 | /         /// Put dirty block in dirty-list if not
[INFO] [stdout] 124 | |         /// Change dirty-bitmap if not dirty 
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout] 125 |           let block_start = addr.0 / DIRTY_BLOCK_SIZE;
[INFO] [stdout]     |           -------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/main.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let base = emu.memory.allocate(4).unwrap(); 
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/main.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut bytes = [0u8; 4]; 
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ii`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         for ii in 0..100_000_000 {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_ii`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut bytes = [0u8; 4]; 
[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: constant `PERM_READ` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PERM_READ: u8 = 1 << 1; 
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PERM_EXEC` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const PERM_EXEC: u8 = 1 << 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_from` and `read_into` are never used
[INFO] [stdout]    --> src/main.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 33  | impl Mmu{
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn write_from(&mut self, addr: VirtAddr, buf : &[u8]) -> Option<()> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn read_into(&mut self, addr: VirtAddr, buf: &mut [u8], size: usize) -> Option<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "5b93f654820140489bced123ac9aaf7ff2a09a6d24c02306e09196cae0d017f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b93f654820140489bced123ac9aaf7ff2a09a6d24c02306e09196cae0d017f6", kill_on_drop: false }`
[INFO] [stdout] 5b93f654820140489bced123ac9aaf7ff2a09a6d24c02306e09196cae0d017f6
