[INFO] cloning repository https://github.com/livmackintosh/rust-dwm-status
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/livmackintosh/rust-dwm-status" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivmackintosh%2Frust-dwm-status", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivmackintosh%2Frust-dwm-status'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b4cd0ff23e429077f1a5bf2b8fc06e407be0098
[INFO] checking livmackintosh/rust-dwm-status against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivmackintosh%2Frust-dwm-status" "/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/livmackintosh/rust-dwm-status 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/livmackintosh/rust-dwm-status
[INFO] finished tweaking git repo https://github.com/livmackintosh/rust-dwm-status
[INFO] tweaked toml for git repo https://github.com/livmackintosh/rust-dwm-status written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/livmackintosh/rust-dwm-status 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 mac-notification-sys v0.1.3
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded dbus v0.4.1
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] [stderr]   Downloaded bytesize v0.1.3
[INFO] [stderr]   Downloaded cfg-if v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded systemstat v0.1.2
[INFO] [stderr]   Downloaded notify-rust v3.4.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e63a303f3f47582fd593b7fe70b4e97d448214e1b72c2178a1810804a7b2dca
[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" "4e63a303f3f47582fd593b7fe70b4e97d448214e1b72c2178a1810804a7b2dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e63a303f3f47582fd593b7fe70b4e97d448214e1b72c2178a1810804a7b2dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e63a303f3f47582fd593b7fe70b4e97d448214e1b72c2178a1810804a7b2dca", kill_on_drop: false }`
[INFO] [stdout] 4e63a303f3f47582fd593b7fe70b4e97d448214e1b72c2178a1810804a7b2dca
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfed9ea1957d0691782ad530b848dbc2e4805113d642cbc6a27066b702c3f42
[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" "cbfed9ea1957d0691782ad530b848dbc2e4805113d642cbc6a27066b702c3f42", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking bytesize v0.1.3
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking systemstat v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking notify-rust v3.4.0
[INFO] [stderr]     Checking rust-dwm-status v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `plugged`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn plugged(sys: &System) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `plugged`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn plugged(sys: &System) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.46s
[INFO] running `Command { std: "docker" "inspect" "cbfed9ea1957d0691782ad530b848dbc2e4805113d642cbc6a27066b702c3f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfed9ea1957d0691782ad530b848dbc2e4805113d642cbc6a27066b702c3f42", kill_on_drop: false }`
[INFO] [stdout] cbfed9ea1957d0691782ad530b848dbc2e4805113d642cbc6a27066b702c3f42