[INFO] fetching crate rust-dwm-status 0.5.0...
[INFO] testing rust-dwm-status-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rust-dwm-status 0.5.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate rust-dwm-status 0.5.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-dwm-status 0.5.0
[INFO] finished tweaking crates.io crate rust-dwm-status 0.5.0
[INFO] tweaked toml for crates.io crate rust-dwm-status 0.5.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] [stderr]   Downloaded notify-rust v3.6.3
[INFO] [stderr]   Downloaded libdbus-sys v0.2.2
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded systemstat v0.1.10
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24b8b827ada919c45233288989867924dc1123f755969693de97ef2bb3ba36f1
[INFO] running `Command { std: "docker" "start" "-a" "24b8b827ada919c45233288989867924dc1123f755969693de97ef2bb3ba36f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b8b827ada919c45233288989867924dc1123f755969693de97ef2bb3ba36f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b8b827ada919c45233288989867924dc1123f755969693de97ef2bb3ba36f1", kill_on_drop: false }`
[INFO] [stdout] 24b8b827ada919c45233288989867924dc1123f755969693de97ef2bb3ba36f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73984200da0ed43513e46adb8f33a458dd444c66cef6d7bdc11b584acb12d30e
[INFO] running `Command { std: "docker" "start" "-a" "73984200da0ed43513e46adb8f33a458dd444c66cef6d7bdc11b584acb12d30e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling chan-signal v0.2.0
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling notify-rust v3.6.3
[INFO] [stderr]    Compiling systemstat v0.1.10
[INFO] [stderr]    Compiling rust-dwm-status v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: cannot subtract `ByteSize` from `ByteSize`
[INFO] [stdout]   --> src/main.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let used = mem.total - mem.free;
[INFO] [stdout]    |                    --------- ^ -------- ByteSize
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    ByteSize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `NotificationServer` in the current scope
[INFO] [stdout]   --> src/main.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut server = NotificationServer::new();
[INFO] [stdout]    |                                          ^^^ function or associated item not found in `NotificationServer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0369, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-dwm-status` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "73984200da0ed43513e46adb8f33a458dd444c66cef6d7bdc11b584acb12d30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73984200da0ed43513e46adb8f33a458dd444c66cef6d7bdc11b584acb12d30e", kill_on_drop: false }`
[INFO] [stdout] 73984200da0ed43513e46adb8f33a458dd444c66cef6d7bdc11b584acb12d30e