[INFO] cloning repository https://github.com/joachimff/eBPF-fuzzer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joachimff/eBPF-fuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoachimff%2FeBPF-fuzzer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoachimff%2FeBPF-fuzzer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70704528debc80bbd820fd1c16b470fe30dc3a28 [INFO] building joachimff/eBPF-fuzzer against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoachimff%2FeBPF-fuzzer" "/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/joachimff/eBPF-fuzzer on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joachimff/eBPF-fuzzer [INFO] finished tweaking git repo https://github.com/joachimff/eBPF-fuzzer [INFO] tweaked toml for git repo https://github.com/joachimff/eBPF-fuzzer written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/joachimff/eBPF-fuzzer 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac7183ba997e276e933b4ba24418325adeb282c767497c6cb23cdc736d4ea9db [INFO] running `Command { std: "docker" "start" "-a" "ac7183ba997e276e933b4ba24418325adeb282c767497c6cb23cdc736d4ea9db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac7183ba997e276e933b4ba24418325adeb282c767497c6cb23cdc736d4ea9db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7183ba997e276e933b4ba24418325adeb282c767497c6cb23cdc736d4ea9db", kill_on_drop: false }` [INFO] [stdout] ac7183ba997e276e933b4ba24418325adeb282c767497c6cb23cdc736d4ea9db [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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04136fbb97c580b69c684237ad8a7307667620e8d2741f55aae7380660992edd [INFO] running `Command { std: "docker" "start" "-a" "04136fbb97c580b69c684237ad8a7307667620e8d2741f55aae7380660992edd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling j-fuzzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/main.rs:227:13 [INFO] [stdout] | [INFO] [stdout] 227 | let mut offset = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `imm` is never read [INFO] [stdout] --> src/main.rs:235:13 [INFO] [stdout] | [INFO] [stdout] 235 | let mut imm = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:358:7 [INFO] [stdout] | [INFO] [stdout] 358 | let start = std::time::Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TOTAL_EXEC` is never used [INFO] [stdout] --> src/main.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | const TOTAL_EXEC: i32 = 1_000_000; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:317:83 [INFO] [stdout] | [INFO] [stdout] 317 | let mut errmsg_ptr: *const c_char = std::mem::MaybeUninit::::uninit().as_mut_ptr(); [INFO] [stdout] | ----------------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:329:72 [INFO] [stdout] | [INFO] [stdout] 329 | let ret_val_ptr: *mut u64 = std::mem::MaybeUninit::::uninit().as_mut_ptr(); [INFO] [stdout] | -------------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s [INFO] running `Command { std: "docker" "inspect" "04136fbb97c580b69c684237ad8a7307667620e8d2741f55aae7380660992edd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04136fbb97c580b69c684237ad8a7307667620e8d2741f55aae7380660992edd", kill_on_drop: false }` [INFO] [stdout] 04136fbb97c580b69c684237ad8a7307667620e8d2741f55aae7380660992edd [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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9cb45702185bff2ca41e88c3d717efca9672117a625ea1bd1d4f7716fd1e3a4 [INFO] running `Command { std: "docker" "start" "-a" "b9cb45702185bff2ca41e88c3d717efca9672117a625ea1bd1d4f7716fd1e3a4", kill_on_drop: false }` [INFO] [stderr] Compiling j-fuzzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/main.rs:227:13 [INFO] [stdout] | [INFO] [stdout] 227 | let mut offset = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `imm` is never read [INFO] [stdout] --> src/main.rs:235:13 [INFO] [stdout] | [INFO] [stdout] 235 | let mut imm = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:358:7 [INFO] [stdout] | [INFO] [stdout] 358 | let start = std::time::Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:317:83 [INFO] [stdout] | [INFO] [stdout] 317 | let mut errmsg_ptr: *const c_char = std::mem::MaybeUninit::::uninit().as_mut_ptr(); [INFO] [stdout] | ----------------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:329:72 [INFO] [stdout] | [INFO] [stdout] 329 | let ret_val_ptr: *mut u64 = std::mem::MaybeUninit::::uninit().as_mut_ptr(); [INFO] [stdout] | -------------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "b9cb45702185bff2ca41e88c3d717efca9672117a625ea1bd1d4f7716fd1e3a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9cb45702185bff2ca41e88c3d717efca9672117a625ea1bd1d4f7716fd1e3a4", kill_on_drop: false }` [INFO] [stdout] b9cb45702185bff2ca41e88c3d717efca9672117a625ea1bd1d4f7716fd1e3a4