[INFO] cloning repository mishajw/gridwm
[INFO] running `"git" "clone" "--bare" "git://github.com/mishajw/gridwm.git" "work/cache/sources/gh/mishajw/gridwm"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mishajw/gridwm'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mishajw/gridwm" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mishajw/gridwm"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mishajw/gridwm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mishajw/gridwm" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mishajw/gridwm"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mishajw/gridwm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 227d6c93e87cc704f619570a9bcb95609e046264
[INFO] sha for GitHub repo mishajw/gridwm: 227d6c93e87cc704f619570a9bcb95609e046264
[INFO] validating manifest of mishajw/gridwm on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mishajw/gridwm on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mishajw/gridwm
[INFO] finished frobbing mishajw/gridwm
[INFO] frobbed toml for mishajw/gridwm written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mishajw/gridwm/Cargo.toml
[INFO] started frobbing mishajw/gridwm
[INFO] finished frobbing mishajw/gridwm
[INFO] frobbed toml for mishajw/gridwm written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mishajw/gridwm/Cargo.toml
[INFO] crate mishajw/gridwm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mishajw/gridwm against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mishajw/gridwm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5b60e27f764d10582a4f805f6d2b346d1cf0fba50e768157dbdb6a3ac5c62d9
[INFO] running `"docker" "start" "-a" "c5b60e27f764d10582a4f805f6d2b346d1cf0fba50e768157dbdb6a3ac5c62d9"`
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking gridwm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_handler.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_handler.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stderr]    |                                     ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_handler.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_handler.rs:23:37
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stderr]    |                                     ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         ExecError(io::Error);
[INFO] [stderr] 6  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable `current_monitor_name` is assigned to, but never used
[INFO] [stderr]   --> src/bsp_wm.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut current_monitor_name: Option<&str> = None;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_current_monitor_name` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_monitor_name` is never read
[INFO] [stderr]   --> src/bsp_wm.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 current_monitor_name = Some(&piece[2..]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         ExecError(io::Error);
[INFO] [stderr] 6  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable `current_monitor_name` is assigned to, but never used
[INFO] [stderr]   --> src/bsp_wm.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut current_monitor_name: Option<&str> = None;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_current_monitor_name` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_monitor_name` is never read
[INFO] [stderr]   --> src/bsp_wm.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 current_monitor_name = Some(&piece[2..]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "c5b60e27f764d10582a4f805f6d2b346d1cf0fba50e768157dbdb6a3ac5c62d9"`
[INFO] running `"docker" "rm" "-f" "c5b60e27f764d10582a4f805f6d2b346d1cf0fba50e768157dbdb6a3ac5c62d9"`
[INFO] [stdout] c5b60e27f764d10582a4f805f6d2b346d1cf0fba50e768157dbdb6a3ac5c62d9