[INFO] cloning repository https://github.com/ctiedt/dwmstat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctiedt/dwmstat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Fdwmstat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Fdwmstat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b4078ef82cc03711896b2dbf9d3d53a637625bb
[INFO] testing ctiedt/dwmstat-rs against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Fdwmstat-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctiedt/dwmstat-rs on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctiedt/dwmstat-rs
[INFO] finished tweaking git repo https://github.com/ctiedt/dwmstat-rs
[INFO] tweaked toml for git repo https://github.com/ctiedt/dwmstat-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ctiedt/dwmstat-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded sysinfo v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7902c13e8027733f6f7cd545b75decad5a63265ca9df018193926c5cefcdc573
[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" "7902c13e8027733f6f7cd545b75decad5a63265ca9df018193926c5cefcdc573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7902c13e8027733f6f7cd545b75decad5a63265ca9df018193926c5cefcdc573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7902c13e8027733f6f7cd545b75decad5a63265ca9df018193926c5cefcdc573", kill_on_drop: false }`
[INFO] [stdout] 7902c13e8027733f6f7cd545b75decad5a63265ca9df018193926c5cefcdc573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73675b0a4d55d94a549ab134d5e1fbbc27ebf942748e87b524919ec7b12b768
[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" "e73675b0a4d55d94a549ab134d5e1fbbc27ebf942748e87b524919ec7b12b768", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.11.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling dwmstat-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NetworkExt`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sysinfo::{NetworkExt, Processor, ProcessorExt, System, SystemExt};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     loop {
[INFO] [stdout] 51 | |         system.refresh_all();
[INFO] [stdout] 52 | |         let values = [get_wifi()?, get_cpu(&system), get_mem(&system), get_time()];
[INFO] [stdout] 53 | |         status = values.join(" ⟪ ");
[INFO] [stdout] 54 | |         update_status(&status);
[INFO] [stdout] 55 | |         thread::sleep(Duration::from_millis(1000));
[INFO] [stdout] 56 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 57 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.02s
[INFO] running `Command { std: "docker" "inspect" "e73675b0a4d55d94a549ab134d5e1fbbc27ebf942748e87b524919ec7b12b768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73675b0a4d55d94a549ab134d5e1fbbc27ebf942748e87b524919ec7b12b768", kill_on_drop: false }`
[INFO] [stdout] e73675b0a4d55d94a549ab134d5e1fbbc27ebf942748e87b524919ec7b12b768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8081ab8c94927c6b988c68ad49987a53769b745fa61795d9470ab261d345be
[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" "3e8081ab8c94927c6b988c68ad49987a53769b745fa61795d9470ab261d345be", kill_on_drop: false }`
[INFO] [stderr]    Compiling dwmstat-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NetworkExt`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sysinfo::{NetworkExt, Processor, ProcessorExt, System, SystemExt};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     loop {
[INFO] [stdout] 51 | |         system.refresh_all();
[INFO] [stdout] 52 | |         let values = [get_wifi()?, get_cpu(&system), get_mem(&system), get_time()];
[INFO] [stdout] 53 | |         status = values.join(" ⟪ ");
[INFO] [stdout] 54 | |         update_status(&status);
[INFO] [stdout] 55 | |         thread::sleep(Duration::from_millis(1000));
[INFO] [stdout] 56 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 57 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "3e8081ab8c94927c6b988c68ad49987a53769b745fa61795d9470ab261d345be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8081ab8c94927c6b988c68ad49987a53769b745fa61795d9470ab261d345be", kill_on_drop: false }`
[INFO] [stdout] 3e8081ab8c94927c6b988c68ad49987a53769b745fa61795d9470ab261d345be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 5c805d1bca69d089ff9de480dc173c033ad8bf171c08059c1bb79ddedf8e22d2
[INFO] running `Command { std: "docker" "start" "-a" "5c805d1bca69d089ff9de480dc173c033ad8bf171c08059c1bb79ddedf8e22d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `NetworkExt`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use sysinfo::{NetworkExt, Processor, ProcessorExt, System, SystemExt};
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     loop {
[INFO] [stderr] 51 | |         system.refresh_all();
[INFO] [stderr] 52 | |         let values = [get_wifi()?, get_cpu(&system), get_mem(&system), get_time()];
[INFO] [stderr] 53 | |         status = values.join(" ⟪ ");
[INFO] [stderr] 54 | |         update_status(&status);
[INFO] [stderr] 55 | |         thread::sleep(Duration::from_millis(1000));
[INFO] [stderr] 56 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 57 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dwmstat_rs-1b8cf53a27f0bcca
[INFO] running `Command { std: "docker" "inspect" "5c805d1bca69d089ff9de480dc173c033ad8bf171c08059c1bb79ddedf8e22d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c805d1bca69d089ff9de480dc173c033ad8bf171c08059c1bb79ddedf8e22d2", kill_on_drop: false }`
[INFO] [stdout] 5c805d1bca69d089ff9de480dc173c033ad8bf171c08059c1bb79ddedf8e22d2