[INFO] fetching crate rust-dwm-status 0.5.0...
[INFO] testing rust-dwm-status-0.5.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rust-dwm-status 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-dwm-status 0.5.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded chan v0.1.23
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded systemstat v0.1.8
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded notify-rust v3.6.3
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] [stderr]   Downloaded dbus v0.6.5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 481dc7db3d785ec0d78e27dcd7eae7ef2f822a95f7fbab11846c1c3c21838cdb
[INFO] running `Command { std: "docker" "start" "-a" "481dc7db3d785ec0d78e27dcd7eae7ef2f822a95f7fbab11846c1c3c21838cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "481dc7db3d785ec0d78e27dcd7eae7ef2f822a95f7fbab11846c1c3c21838cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481dc7db3d785ec0d78e27dcd7eae7ef2f822a95f7fbab11846c1c3c21838cdb", kill_on_drop: false }`
[INFO] [stdout] 481dc7db3d785ec0d78e27dcd7eae7ef2f822a95f7fbab11846c1c3c21838cdb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea17fc6a426339327725e3b28d6bcbf2d88720edcafb84d77df02132d2b96dbf
[INFO] running `Command { std: "docker" "start" "-a" "ea17fc6a426339327725e3b28d6bcbf2d88720edcafb84d77df02132d2b96dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling chan-signal v0.2.0
[INFO] [stderr]    Compiling notify-rust v3.6.3
[INFO] [stderr]    Compiling systemstat v0.1.8
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ea17fc6a426339327725e3b28d6bcbf2d88720edcafb84d77df02132d2b96dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea17fc6a426339327725e3b28d6bcbf2d88720edcafb84d77df02132d2b96dbf", kill_on_drop: false }`
[INFO] [stdout] ea17fc6a426339327725e3b28d6bcbf2d88720edcafb84d77df02132d2b96dbf