[INFO] cloning repository https://github.com/SilverSoldier/rlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SilverSoldier/rlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilverSoldier%2Frlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilverSoldier%2Frlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f325424f96e1a733eb7366ec2d46f14c77b25f53
[INFO] testing SilverSoldier/rlock against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilverSoldier%2Frlock" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SilverSoldier/rlock on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SilverSoldier/rlock
[INFO] finished tweaking git repo https://github.com/SilverSoldier/rlock
[INFO] tweaked toml for git repo https://github.com/SilverSoldier/rlock written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SilverSoldier/rlock 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded docopt v0.8.1
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded pwd v1.2.0
[INFO] [stderr]   Downloaded x11 v2.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60db933436fddef0a22db1564fc98c77f2bdb476946b25a78de6f612225cfbfc
[INFO] running `Command { std: "docker" "start" "-a" "60db933436fddef0a22db1564fc98c77f2bdb476946b25a78de6f612225cfbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60db933436fddef0a22db1564fc98c77f2bdb476946b25a78de6f612225cfbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60db933436fddef0a22db1564fc98c77f2bdb476946b25a78de6f612225cfbfc", kill_on_drop: false }`
[INFO] [stdout] 60db933436fddef0a22db1564fc98c77f2bdb476946b25a78de6f612225cfbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d23cb43a225549be69d30b0e08da3bf692d0cf25541d4a571e8ab1c2adf5cd09
[INFO] running `Command { std: "docker" "start" "-a" "d23cb43a225549be69d30b0e08da3bf692d0cf25541d4a571e8ab1c2adf5cd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling pwd v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling x11 v2.17.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling rlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:63:59
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Err(msg) => panic!("Error reading input: {}", msg.description()),
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_Return` should have an upper case name
[INFO] [stdout]    --> src/main.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |                     XK_Return => {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_RETURN`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_Escape` should have an upper case name
[INFO] [stdout]    --> src/main.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     XK_Escape => {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_ESCAPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_BackSpace` should have an upper case name
[INFO] [stdout]    --> src/main.rs:354:21
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     XK_BackSpace => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: convert the identifier to upper case: `XK_BACK_SPACE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `RR_Rotate_90` should have an upper case name
[INFO] [stdout]    --> src/main.rs:390:37
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_90`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `RR_Rotate_270` should have an upper case name
[INFO] [stdout]    --> src/main.rs:390:52
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_270`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `config_msg` should have an upper case name
[INFO] [stdout]   --> src/config.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const config_msg: &'static str = "
[INFO] [stdout]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `CONFIG_MSG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/config.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let name = getenv(CString::new("USER").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]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d23cb43a225549be69d30b0e08da3bf692d0cf25541d4a571e8ab1c2adf5cd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23cb43a225549be69d30b0e08da3bf692d0cf25541d4a571e8ab1c2adf5cd09", kill_on_drop: false }`
[INFO] [stdout] d23cb43a225549be69d30b0e08da3bf692d0cf25541d4a571e8ab1c2adf5cd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad32d266c1439f460d6cfde390813d8e9aa268a0a864edd989b02bc4a450aba0
[INFO] running `Command { std: "docker" "start" "-a" "ad32d266c1439f460d6cfde390813d8e9aa268a0a864edd989b02bc4a450aba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:63:59
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Err(msg) => panic!("Error reading input: {}", msg.description()),
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_Return` should have an upper case name
[INFO] [stdout]    --> src/main.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |                     XK_Return => {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_RETURN`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_Escape` should have an upper case name
[INFO] [stdout]    --> src/main.rs:350:21
[INFO] [stdout]     |
[INFO] [stdout] 350 |                     XK_Escape => {
[INFO] [stdout]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_ESCAPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `XK_BackSpace` should have an upper case name
[INFO] [stdout]    --> src/main.rs:354:21
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     XK_BackSpace => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: convert the identifier to upper case: `XK_BACK_SPACE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `RR_Rotate_90` should have an upper case name
[INFO] [stdout]    --> src/main.rs:390:37
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_90`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant in pattern `RR_Rotate_270` should have an upper case name
[INFO] [stdout]    --> src/main.rs:390:52
[INFO] [stdout]     |
[INFO] [stdout] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_270`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `config_msg` should have an upper case name
[INFO] [stdout]   --> src/config.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const config_msg: &'static str = "
[INFO] [stdout]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `CONFIG_MSG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/config.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let name = getenv(CString::new("USER").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]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ad32d266c1439f460d6cfde390813d8e9aa268a0a864edd989b02bc4a450aba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad32d266c1439f460d6cfde390813d8e9aa268a0a864edd989b02bc4a450aba0", kill_on_drop: false }`
[INFO] [stdout] ad32d266c1439f460d6cfde390813d8e9aa268a0a864edd989b02bc4a450aba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9fbfe465111b92c6934d04212c57fbeaafebdedfa6e42a1f52d114b92bb45b8
[INFO] running `Command { std: "docker" "start" "-a" "b9fbfe465111b92c6934d04212c57fbeaafebdedfa6e42a1f52d114b92bb45b8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:63:59
[INFO] [stderr]    |
[INFO] [stderr] 63 |         Err(msg) => panic!("Error reading input: {}", msg.description()),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `XK_Return` should have an upper case name
[INFO] [stderr]    --> src/main.rs:332:21
[INFO] [stderr]     |
[INFO] [stderr] 332 |                     XK_Return => {
[INFO] [stderr]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_RETURN`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `XK_Escape` should have an upper case name
[INFO] [stderr]    --> src/main.rs:350:21
[INFO] [stderr]     |
[INFO] [stderr] 350 |                     XK_Escape => {
[INFO] [stderr]     |                     ^^^^^^^^^ help: convert the identifier to upper case: `XK_ESCAPE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `XK_BackSpace` should have an upper case name
[INFO] [stderr]    --> src/main.rs:354:21
[INFO] [stderr]     |
[INFO] [stderr] 354 |                     XK_BackSpace => {
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: convert the identifier to upper case: `XK_BACK_SPACE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `RR_Rotate_90` should have an upper case name
[INFO] [stderr]    --> src/main.rs:390:37
[INFO] [stderr]     |
[INFO] [stderr] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_90`
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `RR_Rotate_270` should have an upper case name
[INFO] [stderr]    --> src/main.rs:390:52
[INFO] [stderr]     |
[INFO] [stderr] 390 | ...                   RR_Rotate_90 | RR_Rotate_270 => XResizeWindow(dpy, lock.win, rre.height as u32, rre.width as u32),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RR_ROTATE_270`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `config_msg` should have an upper case name
[INFO] [stderr]   --> src/config.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const config_msg: &'static str = "
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `CONFIG_MSG`
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/config.rs:31:57
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let name = getenv(CString::new("USER").unwrap().as_ptr());
[INFO] [stderr]    |                           ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = 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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rlock` (bin "rlock" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlock-d4336ec56d72240e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9fbfe465111b92c6934d04212c57fbeaafebdedfa6e42a1f52d114b92bb45b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fbfe465111b92c6934d04212c57fbeaafebdedfa6e42a1f52d114b92bb45b8", kill_on_drop: false }`
[INFO] [stdout] b9fbfe465111b92c6934d04212c57fbeaafebdedfa6e42a1f52d114b92bb45b8
