[INFO] cloning repository https://github.com/mishajw/gridwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishajw/gridwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 227d6c93e87cc704f619570a9bcb95609e046264
[INFO] checking mishajw/gridwm against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Fgridwm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mishajw/gridwm on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mishajw/gridwm
[INFO] finished tweaking git repo https://github.com/mishajw/gridwm
[INFO] tweaked toml for git repo https://github.com/mishajw/gridwm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mishajw/gridwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 742246ecde5650e88de5001b3dba87d70e9fa3551c14e87ffa2e5e9e1782b5b1
[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" "742246ecde5650e88de5001b3dba87d70e9fa3551c14e87ffa2e5e9e1782b5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742246ecde5650e88de5001b3dba87d70e9fa3551c14e87ffa2e5e9e1782b5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742246ecde5650e88de5001b3dba87d70e9fa3551c14e87ffa2e5e9e1782b5b1", kill_on_drop: false }`
[INFO] [stdout] 742246ecde5650e88de5001b3dba87d70e9fa3551c14e87ffa2e5e9e1782b5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 75cc87e6b88283baa1b4d4f96f210d22318d7446240e1ec50e4076577d14c0e0
[INFO] running `Command { std: "docker" "start" "-a" "75cc87e6b88283baa1b4d4f96f210d22318d7446240e1ec50e4076577d14c0e0", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking gridwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command_handler.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command_handler.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     foreign_links {
[INFO] [stdout] 5  | |         ExecError(io::Error);
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command_handler.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command_handler.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_loop(fifo_path: &Path, wm: &BaseWm) -> Result<()> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn BaseWm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     foreign_links {
[INFO] [stdout] 5  | |         ExecError(io::Error);
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     foreign_links {
[INFO] [stdout] 5  | |         ExecError(io::Error);
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_monitor_name` is assigned to, but never used
[INFO] [stdout]   --> src/bsp_wm.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut current_monitor_name: Option<&str> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_current_monitor_name` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_monitor_name` is never read
[INFO] [stdout]   --> src/bsp_wm.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 current_monitor_name = Some(&piece[2..]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     foreign_links {
[INFO] [stdout] 5  | |         ExecError(io::Error);
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_monitor_name` is assigned to, but never used
[INFO] [stdout]   --> src/bsp_wm.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut current_monitor_name: Option<&str> = None;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_current_monitor_name` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_monitor_name` is never read
[INFO] [stdout]   --> src/bsp_wm.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 current_monitor_name = Some(&piece[2..]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "75cc87e6b88283baa1b4d4f96f210d22318d7446240e1ec50e4076577d14c0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc87e6b88283baa1b4d4f96f210d22318d7446240e1ec50e4076577d14c0e0", kill_on_drop: false }`
[INFO] [stdout] 75cc87e6b88283baa1b4d4f96f210d22318d7446240e1ec50e4076577d14c0e0