[INFO] cloning repository https://github.com/foobert/rust-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foobert/rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoobert%2Frust-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoobert%2Frust-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b0c839b2916e4da1fc61735c89e6747dd3eca92 [INFO] checking foobert/rust-test against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoobert%2Frust-test" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/foobert/rust-test on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/foobert/rust-test [INFO] finished tweaking git repo https://github.com/foobert/rust-test [INFO] tweaked toml for git repo https://github.com/foobert/rust-test written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/foobert/rust-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19c0c872df6913bd3f003a586b412f5945cf664e9b4ff9bcfea2c8c9aefb883d [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" "19c0c872df6913bd3f003a586b412f5945cf664e9b4ff9bcfea2c8c9aefb883d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19c0c872df6913bd3f003a586b412f5945cf664e9b4ff9bcfea2c8c9aefb883d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19c0c872df6913bd3f003a586b412f5945cf664e9b4ff9bcfea2c8c9aefb883d", kill_on_drop: false }` [INFO] [stdout] 19c0c872df6913bd3f003a586b412f5945cf664e9b4ff9bcfea2c8c9aefb883d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 396e9af1931d1c57e7aa45f7f80c9d21df5a43f0a0a86b3962e8edbec2572be8 [INFO] running `Command { std: "docker" "start" "-a" "396e9af1931d1c57e7aa45f7f80c9d21df5a43f0a0a86b3962e8edbec2572be8", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.17 [INFO] [stderr] Checking begw v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `mosq` [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | extern fn on_message(mosq: *const Mosquitto, obj: *const libc::c_void, message: *mut MosquittoMessage) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mosq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:30:46 [INFO] [stdout] | [INFO] [stdout] 30 | extern fn on_message(mosq: *const Mosquitto, obj: *const libc::c_void, message: *mut MosquittoMessage) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut t = m.topic; [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: unused variable: `mosq` [INFO] [stdout] --> src/main.rs:30:22 [INFO] [stdout] | [INFO] [stdout] 30 | extern fn on_message(mosq: *const Mosquitto, obj: *const libc::c_void, message: *mut MosquittoMessage) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_mosq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:30:46 [INFO] [stdout] | [INFO] [stdout] 30 | extern fn on_message(mosq: *const Mosquitto, obj: *const libc::c_void, message: *mut MosquittoMessage) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | let id: *const libc::c_char = CString::new(id).unwrap().as_ptr(); [INFO] [stdout] | ------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:56:69 [INFO] [stdout] | [INFO] [stdout] 56 | let host: *const libc::c_char = CString::new(host).unwrap().as_ptr(); [INFO] [stdout] | --------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:64:71 [INFO] [stdout] | [INFO] [stdout] 64 | let topic: *const libc::c_char = CString::new(topic).unwrap().as_ptr(); [INFO] [stdout] | ---------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut t = m.topic; [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:55:65 [INFO] [stdout] | [INFO] [stdout] 55 | let id: *const libc::c_char = CString::new(id).unwrap().as_ptr(); [INFO] [stdout] | ------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:56:69 [INFO] [stdout] | [INFO] [stdout] 56 | let host: *const libc::c_char = CString::new(host).unwrap().as_ptr(); [INFO] [stdout] | --------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:64:71 [INFO] [stdout] | [INFO] [stdout] 64 | let topic: *const libc::c_char = CString::new(topic).unwrap().as_ptr(); [INFO] [stdout] | ---------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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 https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "396e9af1931d1c57e7aa45f7f80c9d21df5a43f0a0a86b3962e8edbec2572be8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "396e9af1931d1c57e7aa45f7f80c9d21df5a43f0a0a86b3962e8edbec2572be8", kill_on_drop: false }` [INFO] [stdout] 396e9af1931d1c57e7aa45f7f80c9d21df5a43f0a0a86b3962e8edbec2572be8