[INFO] fetching crate winflip 0.1.0... [INFO] checking winflip-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate winflip 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate winflip 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate winflip 0.1.0 [INFO] finished tweaking crates.io crate winflip 0.1.0 [INFO] tweaked toml for crates.io crate winflip 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate winflip 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a4fb620d7b4a97fae817fb0d62ed365dc5e2f6848ec64829603e756a02370d6 [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" "2a4fb620d7b4a97fae817fb0d62ed365dc5e2f6848ec64829603e756a02370d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a4fb620d7b4a97fae817fb0d62ed365dc5e2f6848ec64829603e756a02370d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a4fb620d7b4a97fae817fb0d62ed365dc5e2f6848ec64829603e756a02370d6", kill_on_drop: false }` [INFO] [stdout] 2a4fb620d7b4a97fae817fb0d62ed365dc5e2f6848ec64829603e756a02370d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0374e78d564b583e8daf6b1ba20c6f36e08e8ee5ae527403296d001b4a7d7786 [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" "0374e78d564b583e8daf6b1ba20c6f36e08e8ee5ae527403296d001b4a7d7786", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Checking winflip v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/x11.rs:561:14 [INFO] [stdout] | [INFO] [stdout] 561 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/x11.rs:561:14 [INFO] [stdout] | [INFO] [stdout] 561 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window_title` [INFO] [stdout] --> src/x11.rs:367:13 [INFO] [stdout] | [INFO] [stdout] 367 | let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `xl` [INFO] [stdout] --> src/x11.rs:1021:13 [INFO] [stdout] | [INFO] [stdout] 1021 | let xl = xlib::Xlib::open().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_xl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `glx` [INFO] [stdout] --> src/x11.rs:1027:13 [INFO] [stdout] | [INFO] [stdout] 1027 | let glx = glx::Glx::open().unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_glx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `window_title` [INFO] [stdout] --> src/x11.rs:367:13 [INFO] [stdout] | [INFO] [stdout] 367 | let window_title: *const raw::c_char = ffi::CString::new(title).unwrap().as_ptr(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_title` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `error_code` [INFO] [stdout] --> src/x11.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | error_code: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_utf8_string` [INFO] [stdout] --> src/x11.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | x11_utf8_string: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_net_wm_name` [INFO] [stdout] --> src/x11.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | x11_net_wm_name: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_net_wm_icon_name` [INFO] [stdout] --> src/x11.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | x11_net_wm_icon_name: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/x11.rs:126:59 [INFO] [stdout] | [INFO] [stdout] 126 | ffi::CString::new("UTF8_STRING").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/x11.rs:131:60 [INFO] [stdout] | [INFO] [stdout] 131 | ffi::CString::new("WM_PROTOCOLS").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/x11.rs:136:64 [INFO] [stdout] | [INFO] [stdout] 136 | ffi::CString::new("WM_DELETE_WINDOW").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/x11.rs:141:56 [INFO] [stdout] | [INFO] [stdout] 141 | ffi::CString::new("WM_STATE").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/x11.rs:146:60 [INFO] [stdout] | [INFO] [stdout] 146 | ffi::CString::new("_NET_WM_NAME").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/x11.rs:151:65 [INFO] [stdout] | [INFO] [stdout] 151 | ffi::CString::new("_NET_WM_ICON_NAME").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/x11.rs:367:82 [INFO] [stdout] | [INFO] [stdout] 367 | let window_title: *const raw::c_char = ffi::CString::new(title).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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `error_code` [INFO] [stdout] --> src/x11.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | error_code: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_utf8_string` [INFO] [stdout] --> src/x11.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | x11_utf8_string: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_net_wm_name` [INFO] [stdout] --> src/x11.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | x11_net_wm_name: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x11_net_wm_icon_name` [INFO] [stdout] --> src/x11.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | x11_net_wm_icon_name: xlib::Atom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/x11.rs:126:59 [INFO] [stdout] | [INFO] [stdout] 126 | ffi::CString::new("UTF8_STRING").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/x11.rs:131:60 [INFO] [stdout] | [INFO] [stdout] 131 | ffi::CString::new("WM_PROTOCOLS").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/x11.rs:136:64 [INFO] [stdout] | [INFO] [stdout] 136 | ffi::CString::new("WM_DELETE_WINDOW").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/x11.rs:141:56 [INFO] [stdout] | [INFO] [stdout] 141 | ffi::CString::new("WM_STATE").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/x11.rs:146:60 [INFO] [stdout] | [INFO] [stdout] 146 | ffi::CString::new("_NET_WM_NAME").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/x11.rs:151:65 [INFO] [stdout] | [INFO] [stdout] 151 | ffi::CString::new("_NET_WM_ICON_NAME").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/x11.rs:367:82 [INFO] [stdout] | [INFO] [stdout] 367 | let window_title: *const raw::c_char = ffi::CString::new(title).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: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.26s [INFO] running `Command { std: "docker" "inspect" "0374e78d564b583e8daf6b1ba20c6f36e08e8ee5ae527403296d001b4a7d7786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0374e78d564b583e8daf6b1ba20c6f36e08e8ee5ae527403296d001b4a7d7786", kill_on_drop: false }` [INFO] [stdout] 0374e78d564b583e8daf6b1ba20c6f36e08e8ee5ae527403296d001b4a7d7786